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Overview
Comment:Merge all changes from SQLite core library pre-release branch.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 1868813f4fa71434f9b885921f40d3feba271ae5
User & Date: mistachkin 2020-01-26 22:06:02
Context
2020-02-02
04:18
Add an overload of the static Execute method to the SQLiteCommand class that accepts an open connection. Leaf check-in: 344a8bd45f user: mistachkin tags: trunk
2020-01-26
22:06
Merge all changes from SQLite core library pre-release branch. check-in: 1868813f4f user: mistachkin tags: trunk
22:04
Update SQLite core library to the latest trunk code. Leaf check-in: 1be3d892d0 user: mistachkin tags: corePreRelease
2019-12-17
12:58
Attempt to make sure all garbage is collected before proceeding with the next test after running the test for ticket [ae5267b863]. check-in: 119a958bb2 user: mistachkin tags: trunk
Changes
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Changes to Doc/Extra/Core/images/syntax/column-constraint.gif.

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Changes to Doc/Extra/Core/lang.html.

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<p>The following syntax documentation topics are available:</p>

<table width="100%" cellpadding="5" border="0">
<tr><td valign="top"><ul>

<style>
#listtab31 tr td {vertical-align:top;}
</style>
<table id='listtab31' width='100%'></table>
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{"u":"lang_attach.html","x":"ATTACH DATABASE","s":0},
{"u":"lang_transaction.html","x":"BEGIN TRANSACTION","s":0},
{"u":"lang_comment.html","x":"comment","s":0},
{"u":"lang_transaction.html","x":"COMMIT TRANSACTION","s":0},
{"u":"lang_corefunc.html","x":"core functions","s":0},
................................................................................
{"u":"lang_UPSERT.html","x":"UPSERT","s":0},
{"u":"lang_vacuum.html","x":"VACUUM","s":0},
{"u":"lang_with.html","x":"WITH clause","s":0}];
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</ul></td></tr></table>

<p>The routines <a href="c3ref/prepare.html">sqlite3_prepare_v2()</a>, <a href="c3ref/prepare.html">sqlite3_prepare()</a>,
<a href="c3ref/prepare.html">sqlite3_prepare16()</a>, <a href="c3ref/prepare.html">sqlite3_prepare16_v2()</a>, 
<a href="c3ref/exec.html">sqlite3_exec()</a>, and <a href="c3ref/free_table.html">sqlite3_get_table()</a> accept







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<p>The following syntax documentation topics are available:</p>

<table width="100%" cellpadding="5" border="0">
<tr><td valign="top"><ul>

<style>
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{"u":"lang_transaction.html","x":"BEGIN TRANSACTION","s":0},
{"u":"lang_comment.html","x":"comment","s":0},
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document.getElementById("listtab33").innerHTML = h;
</script>

</ul></td></tr></table>

<p>The routines <a href="c3ref/prepare.html">sqlite3_prepare_v2()</a>, <a href="c3ref/prepare.html">sqlite3_prepare()</a>,
<a href="c3ref/prepare.html">sqlite3_prepare16()</a>, <a href="c3ref/prepare.html">sqlite3_prepare16_v2()</a>, 
<a href="c3ref/exec.html">sqlite3_exec()</a>, and <a href="c3ref/free_table.html">sqlite3_get_table()</a> accept

Changes to Doc/Extra/Core/lang_aggfunc.html.

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<p>
If a FILTER clause is provided, then only rows for which the <i>expr</i> is
true are included in the aggregate.
</p>

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</script>
<hr class='xhr'>
<dl>
<a name="avg"></a>
<dt><p><b>avg(<i>X</i>)</b></dt><dd><p>
  The avg() function
  returns the average value of all non-NULL <i>X</i> within a







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<p>
If a FILTER clause is provided, then only rows for which the <i>expr</i> is
true are included in the aggregate.
</p>

<style>
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<hr class='xhr'>
<dl>
<a name="avg"></a>
<dt><p><b>avg(<i>X</i>)</b></dt><dd><p>
  The avg() function
  returns the average value of all non-NULL <i>X</i> within a

Changes to Doc/Extra/Core/lang_altertable.html.

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<li>The column may not have a default value of CURRENT_TIME, CURRENT_DATE, 
    CURRENT_TIMESTAMP, or an expression in parentheses.</li>
<li>If a NOT NULL constraint is specified, then the column must have a
    default value other than NULL.
<li>If <a href="foreignkeys.html">foreign key constraints</a> are <a href="pragma.html#pragma_foreign_keys">enabled</a> and
    a column with a <a href="syntax/foreign-key-clause.html">REFERENCES clause</a>
    is added, the column must have a default value of NULL.


</ul>

<p>Note also that when adding a <a href="lang_createtable.html#ckconst">CHECK constraint</a>, the CHECK constraint
is not tested against preexisting rows of the table.
This can result in a table that contains data that
is in violation of the CHECK constraint.  Future versions of SQLite might
change to validate CHECK constraints as they are added.</p>







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<li>The column may not have a default value of CURRENT_TIME, CURRENT_DATE, 
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<li>If a NOT NULL constraint is specified, then the column must have a
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    is added, the column must have a default value of NULL.
<li>The column may not be <a href="gencol.html">GENERATED ALWAYS ... STORED</a>,
though VIRTUAL columns are allowed.
</ul>

<p>Note also that when adding a <a href="lang_createtable.html#ckconst">CHECK constraint</a>, the CHECK constraint
is not tested against preexisting rows of the table.
This can result in a table that contains data that
is in violation of the CHECK constraint.  Future versions of SQLite might
change to validate CHECK constraints as they are added.</p>

Changes to Doc/Extra/Core/lang_corefunc.html.

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<a href="windowfunctions.html#biwinfunc">window functions</a>, and
<a href="json1.html">JSON functions</a> are documented separately.  An
application may define additional
functions written in C and added to the database engine using
the <a href="c3ref/create_function.html">sqlite3_create_function()</a> API.</p>

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<hr class='xhr'>
<dl>
<a name="abs"></a>
<dt><p><b>abs(<i>X</i>)</b></dt><dd><p>
  The abs(X) function returns the absolute value of the numeric
  argument X.  Abs(X) returns NULL if X is NULL. 







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<a href="windowfunctions.html#biwinfunc">window functions</a>, and
<a href="json1.html">JSON functions</a> are documented separately.  An
application may define additional
functions written in C and added to the database engine using
the <a href="c3ref/create_function.html">sqlite3_create_function()</a> API.</p>

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<hr class='xhr'>
<dl>
<a name="abs"></a>
<dt><p><b>abs(<i>X</i>)</b></dt><dd><p>
  The abs(X) function returns the absolute value of the numeric
  argument X.  Abs(X) returns NULL if X is NULL. 

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and 3.7.9 use the legacy schema format by default.  The newer schema format is
used by default in version 3.7.10 (2012-01-16) and later.
The <a href="pragma.html#pragma_legacy_file_format">legacy_file_format pragma</a> can be used to change set the specific
behavior for any version of SQLite.</p>

<p>The NULLS FIRST and NULLS LAST predicates are not supported
for indexes.  For <a href="datatype3.html#sortorder">sorting purposes</a>, SQLite considers NULL values 
to be smaller than all other values.  Hences NULL values always appear at
the beginning of an ASC index and at the end of a DESC index.</p>

<a name="collidx"></a>

<p>The COLLATE clause optionally following each column name
or expression defines a
collating sequence used for text entries in that column.







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and 3.7.9 use the legacy schema format by default.  The newer schema format is
used by default in version 3.7.10 (2012-01-16) and later.
The <a href="pragma.html#pragma_legacy_file_format">legacy_file_format pragma</a> can be used to change set the specific
behavior for any version of SQLite.</p>

<p>The NULLS FIRST and NULLS LAST predicates are not supported
for indexes.  For <a href="datatype3.html#sortorder">sorting purposes</a>, SQLite considers NULL values 
to be smaller than all other values.  Hence NULL values always appear at
the beginning of an ASC index and at the end of a DESC index.</p>

<a name="collidx"></a>

<p>The COLLATE clause optionally following each column name
or expression defines a
collating sequence used for text entries in that column.

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  <li><p> A default collation sequence to use with each column.

  <li><p> Optionally, a PRIMARY KEY for the table. Both single column and
       composite (multiple column) primary keys are supported.

  <li><p> A set of SQL constraints for each table. SQLite supports UNIQUE, NOT
       NULL, CHECK and FOREIGN KEY constraints.



  <li><p> Whether the table is a <a href="withoutrowid.html">WITHOUT ROWID</a> table.
</ul>

<p>Every CREATE TABLE statement must specify a name for the new table.
  Table names that begin with "sqlite_" are reserved for internal use. It
  is an error to attempt to create a table with a name that starts with
................................................................................
name of the column, optionally followed by the declared type of the column,
then one or more optional <a href="syntax/column-constraint.html">column constraints</a>. Included in
the definition of "column constraints" for the purposes of the previous
statement are the COLLATE and DEFAULT clauses, even though these are not really
constraints in the sense that they do not restrict the data that the table may
contain. The other constraints - NOT NULL, CHECK, UNIQUE, PRIMARY KEY and
FOREIGN KEY constraints - impose restrictions on the tables data, and are are
described under <a href="lang_createtable.html#constraints">SQL Data Constraints</a> below.


<p>Unlike most SQL databases, SQLite does not restrict the type of data that
may be inserted into a column based on the columns declared type. Instead,
SQLite uses <a href="datatype3.html">dynamic typing</a>. The declared type of a column is used to
determine the <a href="datatype3.html#affinity">affinity</a> of the column only.

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  <li><p> A default collation sequence to use with each column.

  <li><p> Optionally, a PRIMARY KEY for the table. Both single column and
       composite (multiple column) primary keys are supported.

  <li><p> A set of SQL constraints for each table. SQLite supports UNIQUE, NOT
       NULL, CHECK and FOREIGN KEY constraints.

  <li><p> Optionally, a <a href="gencol.html">generated column</a> constraint.

  <li><p> Whether the table is a <a href="withoutrowid.html">WITHOUT ROWID</a> table.
</ul>

<p>Every CREATE TABLE statement must specify a name for the new table.
  Table names that begin with "sqlite_" are reserved for internal use. It
  is an error to attempt to create a table with a name that starts with
................................................................................
name of the column, optionally followed by the declared type of the column,
then one or more optional <a href="syntax/column-constraint.html">column constraints</a>. Included in
the definition of "column constraints" for the purposes of the previous
statement are the COLLATE and DEFAULT clauses, even though these are not really
constraints in the sense that they do not restrict the data that the table may
contain. The other constraints - NOT NULL, CHECK, UNIQUE, PRIMARY KEY and
FOREIGN KEY constraints - impose restrictions on the tables data, and are are
described under <a href="lang_createtable.html#constraints">SQL Data Constraints</a> below. The
<a href="gencol.html">generated column</a> syntax is supported since SQLite 3.31.0 (2020-01-22).

<p>Unlike most SQL databases, SQLite does not restrict the type of data that
may be inserted into a column based on the columns declared type. Instead,
SQLite uses <a href="datatype3.html">dynamic typing</a>. The declared type of a column is used to
determine the <a href="datatype3.html#affinity">affinity</a> of the column only.

<a name="dfltval"></a>

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that function.</p>

<a name="regexp"></a>

<p>The REGEXP operator is a special syntax for the regexp()
user function.  No regexp() user function is defined by default
and so use of the REGEXP operator will normally result in an
error message.  If an <a href="c3ref/create_function.html">application-defined SQL function</a> named "regexp"
is added at run-time, then the "<i>X</i> REGEXP <i>Y</i>" operator will
be implemented as a call to "regexp(<i>Y</i>,<i>X</i>)".</p>

<a name="match"></a>

<p>The MATCH operator is a special syntax for the match()
application-defined function.  The default match() function implementation







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that function.</p>

<a name="regexp"></a>

<p>The REGEXP operator is a special syntax for the regexp()
user function.  No regexp() user function is defined by default
and so use of the REGEXP operator will normally result in an
error message.  If an <a href="appfunc.html">application-defined SQL function</a> named "regexp"
is added at run-time, then the "<i>X</i> REGEXP <i>Y</i>" operator will
be implemented as a call to "regexp(<i>Y</i>,<i>X</i>)".</p>

<a name="match"></a>

<p>The MATCH operator is a special syntax for the match()
application-defined function.  The default match() function implementation

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but some keywords may be omitted when SQL language features are
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Applications can use the
<a href="c3ref/keyword_check.html">sqlite3_keyword_count()</a>, <a href="c3ref/keyword_check.html">sqlite3_keyword_name()</a>, and
<a href="c3ref/keyword_check.html">sqlite3_keyword_check()</a> interfaces to determine the keywords
recognized by SQLite at run-time.
Regardless of the compile-time configuration, any identifier that is not on
the following 143 element
list is not a keyword to the SQL parser in SQLite:
</p>

<ol>
<li>ABORT</li>
<li>ACTION</li>
<li>ADD</li>
<li>AFTER</li>
<li>ALL</li>
<li>ALTER</li>

<li>ANALYZE</li>
<li>AND</li>
<li>AS</li>
<li>ASC</li>
<li>ATTACH</li>
<li>AUTOINCREMENT</li>
<li>BEFORE</li>
................................................................................
<li>FILTER</li>
<li>FIRST</li>
<li>FOLLOWING</li>
<li>FOR</li>
<li>FOREIGN</li>
<li>FROM</li>
<li>FULL</li>

<li>GLOB</li>
<li>GROUP</li>
<li>GROUPS</li>
<li>HAVING</li>
<li>IF</li>
<li>IGNORE</li>
<li>IMMEDIATE</li>







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but some keywords may be omitted when SQL language features are
disabled.
Applications can use the
<a href="c3ref/keyword_check.html">sqlite3_keyword_count()</a>, <a href="c3ref/keyword_check.html">sqlite3_keyword_name()</a>, and
<a href="c3ref/keyword_check.html">sqlite3_keyword_check()</a> interfaces to determine the keywords
recognized by SQLite at run-time.
Regardless of the compile-time configuration, any identifier that is not on
the following 145 element
list is not a keyword to the SQL parser in SQLite:
</p>

<ol>
<li>ABORT</li>
<li>ACTION</li>
<li>ADD</li>
<li>AFTER</li>
<li>ALL</li>
<li>ALTER</li>
<li>ALWAYS</li>
<li>ANALYZE</li>
<li>AND</li>
<li>AS</li>
<li>ASC</li>
<li>ATTACH</li>
<li>AUTOINCREMENT</li>
<li>BEFORE</li>
................................................................................
<li>FILTER</li>
<li>FIRST</li>
<li>FOLLOWING</li>
<li>FOR</li>
<li>FOREIGN</li>
<li>FROM</li>
<li>FULL</li>
<li>GENERATED</li>
<li>GLOB</li>
<li>GROUP</li>
<li>GROUPS</li>
<li>HAVING</li>
<li>IF</li>
<li>IGNORE</li>
<li>IMMEDIATE</li>

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cannot use this feature.
</ul>


<hr /><a name="toc"></a>
<h2>List Of PRAGMAs</h2>
<style>
#listtab34 tr td {vertical-align:top;}
</style>
<table id='listtab34' width='100%'></table>
<script>
var listitems34 = [{"u":"pragma.html#pragma_application_id","x":"application_id","s":0},
{"u":"pragma.html#pragma_auto_vacuum","x":"auto_vacuum","s":0},
{"u":"pragma.html#pragma_automatic_index","x":"automatic_index","s":0},
{"u":"pragma.html#pragma_busy_timeout","x":"busy_timeout","s":0},
{"u":"pragma.html#pragma_cache_size","x":"cache_size","s":0},
{"u":"pragma.html#pragma_cache_spill","x":"cache_spill","s":0},
{"u":"pragma.html#pragma_case_sensitive_like","x":"case_sensitive_like","s":0},
{"u":"pragma.html#pragma_cell_size_check","x":"cell_size_check","s":0},
................................................................................
{"u":"pragma.html#pragma_foreign_key_check","x":"foreign_key_check","s":0},
{"u":"pragma.html#pragma_foreign_key_list","x":"foreign_key_list","s":0},
{"u":"pragma.html#pragma_foreign_keys","x":"foreign_keys","s":0},
{"u":"pragma.html#pragma_freelist_count","x":"freelist_count","s":0},
{"u":"pragma.html#pragma_full_column_names","x":"full_column_names","s":3},
{"u":"pragma.html#pragma_fullfsync","x":"fullfsync","s":0},
{"u":"pragma.html#pragma_function_list","x":"function_list","s":0},

{"u":"pragma.html#pragma_ignore_check_constraints","x":"ignore_check_constraints","s":0},
{"u":"pragma.html#pragma_incremental_vacuum","x":"incremental_vacuum","s":0},
{"u":"pragma.html#pragma_index_info","x":"index_info","s":0},
{"u":"pragma.html#pragma_index_list","x":"index_list","s":0},
{"u":"pragma.html#pragma_index_xinfo","x":"index_xinfo","s":0},
{"u":"pragma.html#pragma_integrity_check","x":"integrity_check","s":0},
{"u":"pragma.html#pragma_journal_mode","x":"journal_mode","s":0},
................................................................................
{"u":"pragma.html#pragma_stats","x":"stats","s":5},
{"u":"pragma.html#pragma_synchronous","x":"synchronous","s":0},
{"u":"pragma.html#pragma_table_info","x":"table_info","s":0},
{"u":"pragma.html#pragma_table_xinfo","x":"table_xinfo","s":0},
{"u":"pragma.html#pragma_temp_store","x":"temp_store","s":0},
{"u":"pragma.html#pragma_temp_store_directory","x":"temp_store_directory","s":3},
{"u":"pragma.html#pragma_threads","x":"threads","s":0},

{"u":"pragma.html#pragma_user_version","x":"user_version","s":0},
{"u":"pragma.html#pragma_vdbe_addoptrace","x":"vdbe_addoptrace","s":4},
{"u":"pragma.html#pragma_vdbe_debug","x":"vdbe_debug","s":4},
{"u":"pragma.html#pragma_vdbe_listing","x":"vdbe_listing","s":4},
{"u":"pragma.html#pragma_vdbe_trace","x":"vdbe_trace","s":4},
{"u":"pragma.html#pragma_wal_autocheckpoint","x":"wal_autocheckpoint","s":0},
{"u":"pragma.html#pragma_wal_checkpoint","x":"wal_checkpoint","s":0},
{"u":"pragma.html#pragma_writable_schema","x":"writable_schema","s":5}];
var j = 0;
var w = Math.max(document.documentElement.clientWidth,  window.innerWidth || 0);
var nCol = Math.floor(w/250);
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var nRow = Math.ceil((listitems34.length+1)/nCol);
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    h += "<li>"
    ea = ""
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    h += "<li><a href='";
    h += listitems34[i].u;
    h += "'>";
    ea = "</a>"
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  h += listitems34[i].x;
  if(listitems34[i].s==2 || listitems34[i].s==3) h += "</s>"
  h += ea
  if(listitems34[i].s==1) h += "<small><i>(exp)</i></small>\n";
  if(listitems34[i].s==3) h += "&sup1\n";
  if(listitems34[i].s==4) h += "&sup2\n";
  if(listitems34[i].s==5) h += "&sup3\n";
}
document.getElementById("listtab34").innerHTML = h;
</script>

<p>Notes:
<ol>
<li>Pragmas whose names are <s>struck through</s>
are deprecated. Do not use them. They exist
for historical compatibility.
................................................................................
    is off.  Only Mac OS X supports F_FULLFSYNC.</p>

    <p>See also <a href="pragma.html#pragma_checkpoint_fullfsync">checkpoint_fullfsync</a>.</p>
<a name="pragma_function_list"></a>
<h _id=pragma_function_list style="display:none"> PRAGMA function_list</h><hr>
    <p><b>PRAGMA function_list;</b>
    <p>This pragma returns a list of SQL functions
    known to the database connection.























<a name="pragma_ignore_check_constraints"></a>
<h _id=pragma_ignore_check_constraints style="display:none"> PRAGMA ignore_check_constraints</h><hr>
    <p><b>PRAGMA ignore_check_constraints  = </b><i>boolean</i><b>;</b></p>

    <p>This pragma enables or disables the enforcement of CHECK constraints.
    The default setting is off, meaning that CHECK constraints are
    enforced by default.</p>
................................................................................
    method is being run.  The value of this flag is restore after the 
    <a href="vtab.html#xrename">sqlite3_module.xRename</a> method finishes.
    <p>The legacy alter table behavior can also be toggled on and off
    using the <a href="c3ref/c_dbconfig_defensive.html#sqlitedbconfiglegacyaltertable">SQLITE_DBCONFIG_LEGACY_ALTER_TABLE</a> option to the
    <a href="c3ref/db_config.html">sqlite3_db_config()</a> interface.
<a name="pragma_legacy_file_format"></a>
<h _id=pragma_legacy_file_format style="display:none"> PRAGMA legacy_file_format</h><hr>
   <p><b>PRAGMA legacy_file_format;

       <br>PRAGMA legacy_file_format = <i>boolean</i></b></p>
    <p>This pragma sets or queries the value of the legacy_file_format
    flag.  When this flag is on, new SQLite databases are created in
    a file format that is readable and writable by all versions of
    SQLite going back to 3.0.0.  When the flag is off, new databases
    are created using the latest file format which might not be
    readable or writable by versions of SQLite prior to 3.3.0.</p>

    <p>When the legacy_file_format pragma is issued with no argument,
    it returns the setting of the flag.  This pragma does <u>not</u> tell
    which file format the current database is using; it tells what format
    will be used by any newly created databases.</p>

    <p>The legacy_file_format pragma is initialized to OFF when an existing
    database in the newer file format is first opened.</p>

    <p>The default file format is set by the
    <a href="compile.html#default_file_format">SQLITE_DEFAULT_FILE_FORMAT</a> compile-time option.</p>

<a name="pragma_locking_mode"></a>
<h _id=pragma_locking_mode style="display:none"> PRAGMA locking_mode</h><hr>
    <p><b>PRAGMA </b><i>schema.</i><b>locking_mode;
    <br>PRAGMA </b><i>schema.</i><b>locking_mode
                = <i>NORMAL | EXCLUSIVE</i></b></p>
    <p>This pragma sets or queries the database connection locking-mode. 
    The locking-mode is either NORMAL or EXCLUSIVE.
................................................................................
    that might be caused by linking against a different version of SQLite.
    </p>
<a name="pragma_schema_version"></a>
<h _id=pragma_schema_version style="display:none"> PRAGMA schema_version</h><hr>
    <p><b>PRAGMA </b><i>schema.</i><b>schema_version; 
      <br>PRAGMA </b><i>schema.</i><b>schema_version = </b><i>integer </i>;

<p>   The schema_version pragma will to get or set
       the value of the schema-version integer at offset 40 in the
       <a href="fileformat2.html#database_header">database header</a>. 

<p>    SQLite automatically increments the schema-version whenever the
       schema changes. As each SQL statement runs, the schema version is
       checked to ensure that the schema has not changed since the SQL
       statement was <a href="c3ref/prepare.html">prepared</a>.
................................................................................
    <a href="c3ref/db_release_memory.html">sqlite3_db_release_memory()</a>.
    </p>
<a name="pragma_soft_heap_limit"></a>
<h _id=pragma_soft_heap_limit style="display:none"> PRAGMA soft_heap_limit</h><hr>
    <p><b>PRAGMA soft_heap_limit<br>
          PRAGMA soft_heap_limit=</b><i>N</i></p>

    <p>This pragma invokes the <a href="c3ref/soft_heap_limit64.html">sqlite3_soft_heap_limit64()</a> interface with
    the argument N, if N is specified and is a non-negative integer.
    The soft_heap_limit pragma always returns the same integer
    that would be returned by the <a href="c3ref/soft_heap_limit64.html">sqlite3_soft_heap_limit64</a>(-1) C-language
    function.
    </p>

<a name="pragma_stats"></a>
<h _id=pragma_stats style="display:none"> PRAGMA stats</h><hr>
    <p><b>PRAGMA stats;</b> </p>
    <p>This pragma returns auxiliary information about tables and
    indices.  The returned information is used during testing to help
    verify that the query planner is operating correctly.  The format
    and meaning of this pragma will likely change from one release
................................................................................
    unless it is changed using the <a href="compile.html#default_worker_threads">SQLITE_DEFAULT_WORKER_THREADS</a>
    compile-time option.  When the limit is zero, that means no
    auxiliary threads will be launched.</p>

    <p>This pragma is a thin wrapper around the
    <a href="c3ref/limit.html">sqlite3_limit</a>(db,<a href="c3ref/c_limit_attached.html#sqlitelimitworkerthreads">SQLITE_LIMIT_WORKER_THREADS</a>,...) interface.
    </p>



















<a name="pragma_user_version"></a>
<h _id=pragma_user_version style="display:none"> PRAGMA user_version</h><hr>
      <p><b>PRAGMA </b><i>schema.</i><b>user_version;
      <br>PRAGMA </b><i>schema.</i><b>user_version = </b><i>integer </i><b>;</b>

  
<p>    The user_version pragma will to get or set







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</ul>


<hr /><a name="toc"></a>
<h2>List Of PRAGMAs</h2>
<style>
#listtab36 tr td {vertical-align:top;}
</style>
<table id='listtab36' width='100%'></table>
<script>
var listitems36 = [{"u":"pragma.html#pragma_application_id","x":"application_id","s":0},
{"u":"pragma.html#pragma_auto_vacuum","x":"auto_vacuum","s":0},
{"u":"pragma.html#pragma_automatic_index","x":"automatic_index","s":0},
{"u":"pragma.html#pragma_busy_timeout","x":"busy_timeout","s":0},
{"u":"pragma.html#pragma_cache_size","x":"cache_size","s":0},
{"u":"pragma.html#pragma_cache_spill","x":"cache_spill","s":0},
{"u":"pragma.html#pragma_case_sensitive_like","x":"case_sensitive_like","s":0},
{"u":"pragma.html#pragma_cell_size_check","x":"cell_size_check","s":0},
................................................................................
{"u":"pragma.html#pragma_foreign_key_check","x":"foreign_key_check","s":0},
{"u":"pragma.html#pragma_foreign_key_list","x":"foreign_key_list","s":0},
{"u":"pragma.html#pragma_foreign_keys","x":"foreign_keys","s":0},
{"u":"pragma.html#pragma_freelist_count","x":"freelist_count","s":0},
{"u":"pragma.html#pragma_full_column_names","x":"full_column_names","s":3},
{"u":"pragma.html#pragma_fullfsync","x":"fullfsync","s":0},
{"u":"pragma.html#pragma_function_list","x":"function_list","s":0},
{"u":"pragma.html#pragma_hard_heap_limit","x":"hard_heap_limit","s":0},
{"u":"pragma.html#pragma_ignore_check_constraints","x":"ignore_check_constraints","s":0},
{"u":"pragma.html#pragma_incremental_vacuum","x":"incremental_vacuum","s":0},
{"u":"pragma.html#pragma_index_info","x":"index_info","s":0},
{"u":"pragma.html#pragma_index_list","x":"index_list","s":0},
{"u":"pragma.html#pragma_index_xinfo","x":"index_xinfo","s":0},
{"u":"pragma.html#pragma_integrity_check","x":"integrity_check","s":0},
{"u":"pragma.html#pragma_journal_mode","x":"journal_mode","s":0},
................................................................................
{"u":"pragma.html#pragma_stats","x":"stats","s":5},
{"u":"pragma.html#pragma_synchronous","x":"synchronous","s":0},
{"u":"pragma.html#pragma_table_info","x":"table_info","s":0},
{"u":"pragma.html#pragma_table_xinfo","x":"table_xinfo","s":0},
{"u":"pragma.html#pragma_temp_store","x":"temp_store","s":0},
{"u":"pragma.html#pragma_temp_store_directory","x":"temp_store_directory","s":3},
{"u":"pragma.html#pragma_threads","x":"threads","s":0},
{"u":"pragma.html#pragma_trusted_schema","x":"trusted_schema","s":0},
{"u":"pragma.html#pragma_user_version","x":"user_version","s":0},
{"u":"pragma.html#pragma_vdbe_addoptrace","x":"vdbe_addoptrace","s":4},
{"u":"pragma.html#pragma_vdbe_debug","x":"vdbe_debug","s":4},
{"u":"pragma.html#pragma_vdbe_listing","x":"vdbe_listing","s":4},
{"u":"pragma.html#pragma_vdbe_trace","x":"vdbe_trace","s":4},
{"u":"pragma.html#pragma_wal_autocheckpoint","x":"wal_autocheckpoint","s":0},
{"u":"pragma.html#pragma_wal_checkpoint","x":"wal_checkpoint","s":0},
{"u":"pragma.html#pragma_writable_schema","x":"writable_schema","s":5}];
var j = 0;
var w = Math.max(document.documentElement.clientWidth,  window.innerWidth || 0);
var nCol = Math.floor(w/250);
if(nCol<=0) nCol=1;
var nRow = Math.ceil((listitems36.length+1)/nCol);
var h="<tr><td><ul class='multicol_list'>"
var ea
for(var i=0; i<listitems36.length; i++){
  if( (++j)>nRow ){
    h += "</ul></td>\n<td><ul class='multicol_list'>\n";
    j = 1;
  }
  if(listitems36[i].u=="" || listitems36[i].s==2){
    h += "<li>"
    ea = ""
  }else{
    h += "<li><a href='";
    h += listitems36[i].u;
    h += "'>";
    ea = "</a>"
  }
  if(listitems36[i].s==2 || listitems36[i].s==3) h += "<s>"
  h += listitems36[i].x;
  if(listitems36[i].s==2 || listitems36[i].s==3) h += "</s>"
  h += ea
  if(listitems36[i].s==1) h += "<small><i>(exp)</i></small>\n";
  if(listitems36[i].s==3) h += "&sup1\n";
  if(listitems36[i].s==4) h += "&sup2\n";
  if(listitems36[i].s==5) h += "&sup3\n";
}
document.getElementById("listtab36").innerHTML = h;
</script>

<p>Notes:
<ol>
<li>Pragmas whose names are <s>struck through</s>
are deprecated. Do not use them. They exist
for historical compatibility.
................................................................................
    is off.  Only Mac OS X supports F_FULLFSYNC.</p>

    <p>See also <a href="pragma.html#pragma_checkpoint_fullfsync">checkpoint_fullfsync</a>.</p>
<a name="pragma_function_list"></a>
<h _id=pragma_function_list style="display:none"> PRAGMA function_list</h><hr>
    <p><b>PRAGMA function_list;</b>
    <p>This pragma returns a list of SQL functions
    known to the database connection.  Each row of the result
    describes a single calling signature for a single SQL function.
    Some SQL functions will have multiple rows in the result set
    if they can (for example) be invoked with a varying number of
    arguments or can accept text in various encodings.
<a name="pragma_hard_heap_limit"></a>
<h _id=pragma_hard_heap_limit style="display:none"> PRAGMA hard_heap_limit</h><hr>
    <p><b>PRAGMA hard_heap_limit<br>
          PRAGMA hard_heap_limit=</b><i>N</i></p>

    <p>This pragma invokes the <a href="c3ref/hard_heap_limit64.html">sqlite3_hard_heap_limit64()</a> interface with
    the argument N, if N is specified and N is a positive integer that
    is less than the current hard heap limit.
    The hard_heap_limit pragma always returns the same integer
    that would be returned by the <a href="c3ref/hard_heap_limit64.html">sqlite3_hard_heap_limit64</a>(-1) C-language
    function.  That is to say, it always returns the value of the hard
    heap limit that is set after any changes imposed by this PRAGMA.
    </p>

    <p>This pragma can only lower the heap limit, never raise it.
    The C-language interface <a href="c3ref/hard_heap_limit64.html">sqlite3_hard_heap_limit64()</a> must be used
    to raise the heap limit.</p>

    <p>See also the <a href="pragma.html#pragma_soft_heap_limit">soft_heap_limit pragma</a>.
<a name="pragma_ignore_check_constraints"></a>
<h _id=pragma_ignore_check_constraints style="display:none"> PRAGMA ignore_check_constraints</h><hr>
    <p><b>PRAGMA ignore_check_constraints  = </b><i>boolean</i><b>;</b></p>

    <p>This pragma enables or disables the enforcement of CHECK constraints.
    The default setting is off, meaning that CHECK constraints are
    enforced by default.</p>
................................................................................
    method is being run.  The value of this flag is restore after the 
    <a href="vtab.html#xrename">sqlite3_module.xRename</a> method finishes.
    <p>The legacy alter table behavior can also be toggled on and off
    using the <a href="c3ref/c_dbconfig_defensive.html#sqlitedbconfiglegacyaltertable">SQLITE_DBCONFIG_LEGACY_ALTER_TABLE</a> option to the
    <a href="c3ref/db_config.html">sqlite3_db_config()</a> interface.
<a name="pragma_legacy_file_format"></a>
<h _id=pragma_legacy_file_format style="display:none"> PRAGMA legacy_file_format</h><hr>
   <p><b>PRAGMA legacy_file_format;</b>
    <p>This pragma no longer functions.  It has become a no-op.
    The capabilities formerly provided by PRAGMA legacy_file_format

    are now available using the <a href="c3ref/c_dbconfig_defensive.html#sqlitedbconfiglegacyfileformat">SQLITE_DBCONFIG_LEGACY_FILE_FORMAT</a>
    option to the <a href="c3ref/db_config.html">sqlite3_db_config()</a> C-language interface.














    <p>
<a name="pragma_locking_mode"></a>
<h _id=pragma_locking_mode style="display:none"> PRAGMA locking_mode</h><hr>
    <p><b>PRAGMA </b><i>schema.</i><b>locking_mode;
    <br>PRAGMA </b><i>schema.</i><b>locking_mode
                = <i>NORMAL | EXCLUSIVE</i></b></p>
    <p>This pragma sets or queries the database connection locking-mode. 
    The locking-mode is either NORMAL or EXCLUSIVE.
................................................................................
    that might be caused by linking against a different version of SQLite.
    </p>
<a name="pragma_schema_version"></a>
<h _id=pragma_schema_version style="display:none"> PRAGMA schema_version</h><hr>
    <p><b>PRAGMA </b><i>schema.</i><b>schema_version; 
      <br>PRAGMA </b><i>schema.</i><b>schema_version = </b><i>integer </i>;

<p>   The schema_version pragma will get or set
       the value of the schema-version integer at offset 40 in the
       <a href="fileformat2.html#database_header">database header</a>. 

<p>    SQLite automatically increments the schema-version whenever the
       schema changes. As each SQL statement runs, the schema version is
       checked to ensure that the schema has not changed since the SQL
       statement was <a href="c3ref/prepare.html">prepared</a>.
................................................................................
    <a href="c3ref/db_release_memory.html">sqlite3_db_release_memory()</a>.
    </p>
<a name="pragma_soft_heap_limit"></a>
<h _id=pragma_soft_heap_limit style="display:none"> PRAGMA soft_heap_limit</h><hr>
    <p><b>PRAGMA soft_heap_limit<br>
          PRAGMA soft_heap_limit=</b><i>N</i></p>

    <p>This pragma invokes the <a href="c3ref/hard_heap_limit64.html">sqlite3_soft_heap_limit64()</a> interface with
    the argument N, if N is specified and is a non-negative integer.
    The soft_heap_limit pragma always returns the same integer
    that would be returned by the <a href="c3ref/hard_heap_limit64.html">sqlite3_soft_heap_limit64</a>(-1) C-language
    function.
    </p>
    <p>See also the <a href="pragma.html#pragma_hard_heap_limit">hard_heap_limit pragma</a>.
<a name="pragma_stats"></a>
<h _id=pragma_stats style="display:none"> PRAGMA stats</h><hr>
    <p><b>PRAGMA stats;</b> </p>
    <p>This pragma returns auxiliary information about tables and
    indices.  The returned information is used during testing to help
    verify that the query planner is operating correctly.  The format
    and meaning of this pragma will likely change from one release
................................................................................
    unless it is changed using the <a href="compile.html#default_worker_threads">SQLITE_DEFAULT_WORKER_THREADS</a>
    compile-time option.  When the limit is zero, that means no
    auxiliary threads will be launched.</p>

    <p>This pragma is a thin wrapper around the
    <a href="c3ref/limit.html">sqlite3_limit</a>(db,<a href="c3ref/c_limit_attached.html#sqlitelimitworkerthreads">SQLITE_LIMIT_WORKER_THREADS</a>,...) interface.
    </p>
<a name="pragma_trusted_schema"></a>
<h _id=pragma_trusted_schema style="display:none"> PRAGMA trusted_schema</h><hr>
    <p><b>PRAGMA trusted_schema;
      <br>PRAGMA trusted_schema = </b><i>boolean</i><b>;</b></p>
    <p>The trusted_schema setting is a per-connection boolean that
    determines whether or not SQL functions and virtual tables that
    have not been security audited are allowed to be run by views,
    triggers, or in expressions of the schema such as <a href="lang_createtable.html#ckconst">CHECK constraints</a>,
    <a href="lang_createtable.html#dfltval">DEFAULT clauses</a>, <a href="gencol.html">generated columns</a>, <a href="expridx.html">expression indexes</a>, and/or
    <a href="partialindex.html">partial indexes</a>.  This setting can also be controlled using
    the <a href="c3ref/db_config.html">sqlite3_db_config</a>(db,<a href="c3ref/c_dbconfig_defensive.html#sqlitedbconfigtrustedschema">SQLITE_DBCONFIG_TRUSTED_SCHEMA</a>,...)
    C-language interface.
    <p>In order to maintain backwards compatibility, this setting is
    ON by default.  There are advantages to turning it off, and most
    applications will be unaffected if it is turned off.  For that reason,
    all applications are encouraged to switch this setting off on every
    database connection as soon as that connection is opened.
    <p>The <a href="compile.html#trusted_schema">-DSQLITE_TRUSTED_SCHEMA=0</a> compile-time option will cause
    this setting to default to OFF.
<a name="pragma_user_version"></a>
<h _id=pragma_user_version style="display:none"> PRAGMA user_version</h><hr>
      <p><b>PRAGMA </b><i>schema.</i><b>user_version;
      <br>PRAGMA </b><i>schema.</i><b>user_version = </b><i>integer </i><b>;</b>

  
<p>    The user_version pragma will to get or set

Changes to Doc/Extra/Core/syntax.html.

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</script>
</div>


<h1 align="center">List of SQLite Syntax Diagrams</h1>

<style>
#listtab42 tr td {vertical-align:top;}
</style>
<table id='listtab42' width='100%'></table>
<script>
var listitems42 = [{"u":"syntax/aggregate-function-invocation.html","x":"aggregate-function-invocation","s":0},
{"u":"syntax/alter-table-stmt.html","x":"alter-table-stmt","s":0},
{"u":"syntax/analyze-stmt.html","x":"analyze-stmt","s":0},
{"u":"syntax/attach-stmt.html","x":"attach-stmt","s":0},
{"u":"syntax/begin-stmt.html","x":"begin-stmt","s":0},
{"u":"syntax/column-constraint.html","x":"column-constraint","s":0},
{"u":"syntax/column-def.html","x":"column-def","s":0},
{"u":"syntax/column-name-list.html","x":"column-name-list","s":0},
................................................................................
{"u":"syntax/window-defn.html","x":"window-defn","s":0},
{"u":"syntax/window-function-invocation.html","x":"window-function-invocation","s":0},
{"u":"syntax/with-clause.html","x":"with-clause","s":0}];
var j = 0;
var w = Math.max(document.documentElement.clientWidth,  window.innerWidth || 0);
var nCol = Math.floor(w/300);
if(nCol<=0) nCol=1;
var nRow = Math.ceil((listitems42.length+1)/nCol);
var h="<tr><td><ul class='multicol_list'>"
var ea
for(var i=0; i<listitems42.length; i++){
  if( (++j)>nRow ){
    h += "</ul></td>\n<td><ul class='multicol_list'>\n";
    j = 1;
  }
  if(listitems42[i].u=="" || listitems42[i].s==2){
    h += "<li>"
    ea = ""
  }else{
    h += "<li><a href='";
    h += listitems42[i].u;
    h += "'>";
    ea = "</a>"
  }
  if(listitems42[i].s==2 || listitems42[i].s==3) h += "<s>"
  h += listitems42[i].x;
  if(listitems42[i].s==2 || listitems42[i].s==3) h += "</s>"
  h += ea
  if(listitems42[i].s==1) h += "<small><i>(exp)</i></small>\n";
  if(listitems42[i].s==3) h += "&sup1\n";
  if(listitems42[i].s==4) h += "&sup2\n";
  if(listitems42[i].s==5) h += "&sup3\n";
}
document.getElementById("listtab42").innerHTML = h;
</script>









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</script>
</div>


<h1 align="center">List of SQLite Syntax Diagrams</h1>

<style>
#listtab44 tr td {vertical-align:top;}
</style>
<table id='listtab44' width='100%'></table>
<script>
var listitems44 = [{"u":"syntax/aggregate-function-invocation.html","x":"aggregate-function-invocation","s":0},
{"u":"syntax/alter-table-stmt.html","x":"alter-table-stmt","s":0},
{"u":"syntax/analyze-stmt.html","x":"analyze-stmt","s":0},
{"u":"syntax/attach-stmt.html","x":"attach-stmt","s":0},
{"u":"syntax/begin-stmt.html","x":"begin-stmt","s":0},
{"u":"syntax/column-constraint.html","x":"column-constraint","s":0},
{"u":"syntax/column-def.html","x":"column-def","s":0},
{"u":"syntax/column-name-list.html","x":"column-name-list","s":0},
................................................................................
{"u":"syntax/window-defn.html","x":"window-defn","s":0},
{"u":"syntax/window-function-invocation.html","x":"window-function-invocation","s":0},
{"u":"syntax/with-clause.html","x":"with-clause","s":0}];
var j = 0;
var w = Math.max(document.documentElement.clientWidth,  window.innerWidth || 0);
var nCol = Math.floor(w/300);
if(nCol<=0) nCol=1;
var nRow = Math.ceil((listitems44.length+1)/nCol);
var h="<tr><td><ul class='multicol_list'>"
var ea
for(var i=0; i<listitems44.length; i++){
  if( (++j)>nRow ){
    h += "</ul></td>\n<td><ul class='multicol_list'>\n";
    j = 1;
  }
  if(listitems44[i].u=="" || listitems44[i].s==2){
    h += "<li>"
    ea = ""
  }else{
    h += "<li><a href='";
    h += listitems44[i].u;
    h += "'>";
    ea = "</a>"
  }
  if(listitems44[i].s==2 || listitems44[i].s==3) h += "<s>"
  h += listitems44[i].x;
  if(listitems44[i].s==2 || listitems44[i].s==3) h += "</s>"
  h += ea
  if(listitems44[i].s==1) h += "<small><i>(exp)</i></small>\n";
  if(listitems44[i].s==3) h += "&sup1\n";
  if(listitems44[i].s==4) h += "&sup2\n";
  if(listitems44[i].s==5) h += "&sup3\n";
}
document.getElementById("listtab44").innerHTML = h;
</script>


Changes to Doc/Extra/Core/syntax/column-constraint.html.

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</div>
<h1 align='center'>column-constraint</h1>
<div class='imgcontainer'>
<img alt="syntax diagram column-constraint" src="../images/syntax/column-constraint.gif"></img><br>

Used by:&nbsp;&nbsp; <a href='./column-def.html'>column-def</a><br></br>
References:&nbsp;&nbsp; <a href='./conflict-clause.html'>conflict-clause</a>&nbsp;&nbsp; <a href='./expr.html'>expr</a>&nbsp;&nbsp; <a href='./foreign-key-clause.html'>foreign-key-clause</a>&nbsp;&nbsp; <a href='./literal-value.html'>literal-value</a>&nbsp;&nbsp; <a href='./signed-number.html'>signed-number</a><br></br>
See also:&nbsp;&nbsp; <a href='../lang_altertable.html'>lang_altertable.html</a>&nbsp;&nbsp; <a href='../lang_createtable.html'>lang_createtable.html</a>
</div>









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</div>
<h1 align='center'>column-constraint</h1>
<div class='imgcontainer'>
<img alt="syntax diagram column-constraint" src="../images/syntax/column-constraint.gif"></img><br>

Used by:&nbsp;&nbsp; <a href='./column-def.html'>column-def</a><br></br>
References:&nbsp;&nbsp; <a href='./conflict-clause.html'>conflict-clause</a>&nbsp;&nbsp; <a href='./expr.html'>expr</a>&nbsp;&nbsp; <a href='./foreign-key-clause.html'>foreign-key-clause</a>&nbsp;&nbsp; <a href='./literal-value.html'>literal-value</a>&nbsp;&nbsp; <a href='./signed-number.html'>signed-number</a><br></br>
See also:&nbsp;&nbsp; <a href='../gencol.html'>gencol.html</a>&nbsp;&nbsp; <a href='../lang_altertable.html'>lang_altertable.html</a>&nbsp;&nbsp; <a href='../lang_createtable.html'>lang_createtable.html</a>
</div>


Changes to Doc/Extra/Core/syntaxdiagrams.html.

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See also:&nbsp;&nbsp; <a href="lang_UPSERT.html">lang_UPSERT.html</a>&nbsp;&nbsp; <a href="lang_aggfunc.html">lang_aggfunc.html</a>&nbsp;&nbsp; <a href="lang_altertable.html">lang_altertable.html</a>&nbsp;&nbsp; <a href="lang_attach.html">lang_attach.html</a>&nbsp;&nbsp; <a href="lang_createindex.html">lang_createindex.html</a>&nbsp;&nbsp; <a href="lang_createtable.html">lang_createtable.html</a>&nbsp;&nbsp; <a href="lang_createtrigger.html">lang_createtrigger.html</a>&nbsp;&nbsp; <a href="lang_createview.html">lang_createview.html</a>&nbsp;&nbsp; <a href="lang_delete.html">lang_delete.html</a>&nbsp;&nbsp; <a href="lang_expr.html">lang_expr.html</a>&nbsp;&nbsp; <a href="lang_insert.html">lang_insert.html</a>&nbsp;&nbsp; <a href="lang_select.html">lang_select.html</a>&nbsp;&nbsp; <a href="lang_select.html#compound">lang_select.html#compound</a>&nbsp;&nbsp; <a href="lang_select.html#simpleselect">lang_select.html#simpleselect</a>&nbsp;&nbsp; <a href="lang_update.html">lang_update.html</a>&nbsp;&nbsp; <a href="lang_with.html">lang_with.html</a>&nbsp;&nbsp; <a href="partialindex.html">partialindex.html</a>
</div>

<a name="column-constraint"></a><h4>column-constraint:</h4><div class='imgcontainer'>
<img src="images/syntax/column-constraint.gif"></img><br></br>
Used by:&nbsp;&nbsp; <a href="#column-def">column-def</a><br></br>
References:&nbsp;&nbsp; <a href="#conflict-clause">conflict-clause</a>&nbsp;&nbsp; <a href="#expr">expr</a>&nbsp;&nbsp; <a href="#foreign-key-clause">foreign-key-clause</a>&nbsp;&nbsp; <a href="#literal-value">literal-value</a>&nbsp;&nbsp; <a href="#signed-number">signed-number</a><br></br>
See also:&nbsp;&nbsp; <a href="lang_altertable.html">lang_altertable.html</a>&nbsp;&nbsp; <a href="lang_createtable.html">lang_createtable.html</a>&nbsp;&nbsp; <a href="lang_createtable.html#tablecoldef">lang_createtable.html#tablecoldef</a>
</div>

<a name="signed-number"></a><h4>signed-number:</h4><div class='imgcontainer'>
<img src="images/syntax/signed-number.gif"></img><br></br>
Used by:&nbsp;&nbsp; <a href="#column-constraint">column-constraint</a>&nbsp;&nbsp; <a href="#pragma-value">pragma-value</a>&nbsp;&nbsp; <a href="#type-name">type-name</a><br></br>
See also:&nbsp;&nbsp; <a href="lang_UPSERT.html">lang_UPSERT.html</a>&nbsp;&nbsp; <a href="lang_aggfunc.html">lang_aggfunc.html</a>&nbsp;&nbsp; <a href="lang_altertable.html">lang_altertable.html</a>&nbsp;&nbsp; <a href="lang_attach.html">lang_attach.html</a>&nbsp;&nbsp; <a href="lang_createindex.html">lang_createindex.html</a>&nbsp;&nbsp; <a href="lang_createtable.html">lang_createtable.html</a>&nbsp;&nbsp; <a href="lang_createtrigger.html">lang_createtrigger.html</a>&nbsp;&nbsp; <a href="lang_createview.html">lang_createview.html</a>&nbsp;&nbsp; <a href="lang_delete.html">lang_delete.html</a>&nbsp;&nbsp; <a href="lang_expr.html">lang_expr.html</a>&nbsp;&nbsp; <a href="lang_insert.html">lang_insert.html</a>&nbsp;&nbsp; <a href="lang_select.html">lang_select.html</a>&nbsp;&nbsp; <a href="lang_select.html#compound">lang_select.html#compound</a>&nbsp;&nbsp; <a href="lang_select.html#simpleselect">lang_select.html#simpleselect</a>&nbsp;&nbsp; <a href="lang_update.html">lang_update.html</a>&nbsp;&nbsp; <a href="lang_with.html">lang_with.html</a>&nbsp;&nbsp; <a href="partialindex.html">partialindex.html</a>&nbsp;&nbsp; <a href="pragma.html#syntax">pragma.html#syntax</a>
</div>







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See also:&nbsp;&nbsp; <a href="lang_UPSERT.html">lang_UPSERT.html</a>&nbsp;&nbsp; <a href="lang_aggfunc.html">lang_aggfunc.html</a>&nbsp;&nbsp; <a href="lang_altertable.html">lang_altertable.html</a>&nbsp;&nbsp; <a href="lang_attach.html">lang_attach.html</a>&nbsp;&nbsp; <a href="lang_createindex.html">lang_createindex.html</a>&nbsp;&nbsp; <a href="lang_createtable.html">lang_createtable.html</a>&nbsp;&nbsp; <a href="lang_createtrigger.html">lang_createtrigger.html</a>&nbsp;&nbsp; <a href="lang_createview.html">lang_createview.html</a>&nbsp;&nbsp; <a href="lang_delete.html">lang_delete.html</a>&nbsp;&nbsp; <a href="lang_expr.html">lang_expr.html</a>&nbsp;&nbsp; <a href="lang_insert.html">lang_insert.html</a>&nbsp;&nbsp; <a href="lang_select.html">lang_select.html</a>&nbsp;&nbsp; <a href="lang_select.html#compound">lang_select.html#compound</a>&nbsp;&nbsp; <a href="lang_select.html#simpleselect">lang_select.html#simpleselect</a>&nbsp;&nbsp; <a href="lang_update.html">lang_update.html</a>&nbsp;&nbsp; <a href="lang_with.html">lang_with.html</a>&nbsp;&nbsp; <a href="partialindex.html">partialindex.html</a>
</div>

<a name="column-constraint"></a><h4>column-constraint:</h4><div class='imgcontainer'>
<img src="images/syntax/column-constraint.gif"></img><br></br>
Used by:&nbsp;&nbsp; <a href="#column-def">column-def</a><br></br>
References:&nbsp;&nbsp; <a href="#conflict-clause">conflict-clause</a>&nbsp;&nbsp; <a href="#expr">expr</a>&nbsp;&nbsp; <a href="#foreign-key-clause">foreign-key-clause</a>&nbsp;&nbsp; <a href="#literal-value">literal-value</a>&nbsp;&nbsp; <a href="#signed-number">signed-number</a><br></br>
See also:&nbsp;&nbsp; <a href="gencol.html">gencol.html</a>&nbsp;&nbsp; <a href="lang_altertable.html">lang_altertable.html</a>&nbsp;&nbsp; <a href="lang_createtable.html">lang_createtable.html</a>&nbsp;&nbsp; <a href="lang_createtable.html#tablecoldef">lang_createtable.html#tablecoldef</a>
</div>

<a name="signed-number"></a><h4>signed-number:</h4><div class='imgcontainer'>
<img src="images/syntax/signed-number.gif"></img><br></br>
Used by:&nbsp;&nbsp; <a href="#column-constraint">column-constraint</a>&nbsp;&nbsp; <a href="#pragma-value">pragma-value</a>&nbsp;&nbsp; <a href="#type-name">type-name</a><br></br>
See also:&nbsp;&nbsp; <a href="lang_UPSERT.html">lang_UPSERT.html</a>&nbsp;&nbsp; <a href="lang_aggfunc.html">lang_aggfunc.html</a>&nbsp;&nbsp; <a href="lang_altertable.html">lang_altertable.html</a>&nbsp;&nbsp; <a href="lang_attach.html">lang_attach.html</a>&nbsp;&nbsp; <a href="lang_createindex.html">lang_createindex.html</a>&nbsp;&nbsp; <a href="lang_createtable.html">lang_createtable.html</a>&nbsp;&nbsp; <a href="lang_createtrigger.html">lang_createtrigger.html</a>&nbsp;&nbsp; <a href="lang_createview.html">lang_createview.html</a>&nbsp;&nbsp; <a href="lang_delete.html">lang_delete.html</a>&nbsp;&nbsp; <a href="lang_expr.html">lang_expr.html</a>&nbsp;&nbsp; <a href="lang_insert.html">lang_insert.html</a>&nbsp;&nbsp; <a href="lang_select.html">lang_select.html</a>&nbsp;&nbsp; <a href="lang_select.html#compound">lang_select.html#compound</a>&nbsp;&nbsp; <a href="lang_select.html#simpleselect">lang_select.html#simpleselect</a>&nbsp;&nbsp; <a href="lang_update.html">lang_update.html</a>&nbsp;&nbsp; <a href="lang_with.html">lang_with.html</a>&nbsp;&nbsp; <a href="partialindex.html">partialindex.html</a>&nbsp;&nbsp; <a href="pragma.html#syntax">pragma.html#syntax</a>
</div>

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          </td>
        </tr>
      </table>
    </div>
    <div id="mainSection">
    <div id="mainBody">
    <h1 class="heading">Version History</h1>
    <p><b>1.0.113.0 - January XX, 2020 <font color="red">(release scheduled)</font></b></p>
    <ul>

      <li>Include the &quot;LINQ&quot; partial classes in the primary managed assembly for .NET Standard 2.1. Fix for <a href="https://system.data.sqlite.org/index.html/info/ad28d8e026">[ad28d8e026]</a>.</li>
      <li>Add SQLite_ForceLogLifecycle environment variable to force logging of calls into key members pertaining to the lifecycle of connections and their associated classes (e.g. LINQ, EF6, etc).</li>
    </ul>
    <p><b>1.0.112.0 - October 28, 2019</b></p>
    <ul>
      <li>Updated to <a href="https://www.sqlite.org/releaselog/3_30_1.html">SQLite 3.30.1</a>.</li>
      <li>Add preliminary support for .NET Core 3.0 and the .NET Standard 2.1. Pursuant to <a href="https://system.data.sqlite.org/index.html/info/ce75d320d0">[ce75d320d0]</a>.</li>







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    <div id="mainSection">
    <div id="mainBody">
    <h1 class="heading">Version History</h1>
    <p><b>1.0.113.0 - February XX, 2020 <font color="red">(release scheduled)</font></b></p>
    <ul>
      <li>Updated to <a href="https://www.sqlite.org/releaselog/3_31_0.html">SQLite 3.31.0</a>.</li>
      <li>Include the &quot;LINQ&quot; partial classes in the primary managed assembly for .NET Standard 2.1. Fix for <a href="https://system.data.sqlite.org/index.html/info/ad28d8e026">[ad28d8e026]</a>.</li>
      <li>Add SQLite_ForceLogLifecycle environment variable to force logging of calls into key members pertaining to the lifecycle of connections and their associated classes (e.g. LINQ, EF6, etc).</li>
    </ul>
    <p><b>1.0.112.0 - October 28, 2019</b></p>
    <ul>
      <li>Updated to <a href="https://www.sqlite.org/releaselog/3_30_1.html">SQLite 3.30.1</a>.</li>
      <li>Add preliminary support for .NET Core 3.0 and the .NET Standard 2.1. Pursuant to <a href="https://system.data.sqlite.org/index.html/info/ce75d320d0">[ce75d320d0]</a>.</li>

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the virtual table mechanism assumes 
that each <a href="c3ref/sqlite3.html">database connection</a> kept
its own copy of the database schema. Hence, the virtual table mechanism
could not be used in a database that has <a href="sharedcache.html">shared cache mode</a> enabled. 
The <a href="c3ref/create_module.html">sqlite3_create_module()</a> interface would return an error if 
<a href="sharedcache.html">shared cache mode</a> is enabled.  That restriction was relaxed
beginning with SQLite <a href="releaselog/3_6_17.html">version 3.6.17</a>.



</p><h2 id="creating_new_virtual_table_implementations"><span>1.4. </span>Creating New Virtual Table Implementations</h2>

<p>Follow these steps to create your own virtual table:

</p><p>
</p><ol>
................................................................................
     <a href="c3ref/create_module.html">sqlite3_create_module()</a> or <a href="c3ref/create_module.html">sqlite3_create_module_v2()</a> interfaces.
</li><li> Run a <a href="lang_createvtab.html">CREATE VIRTUAL TABLE</a> command that specifies the new module in 
     the USING clause. 
</li></ol>

<p>The only really hard part is step 1. You might want to start with an 
existing virtual table implementation and modify it to suit your needs.

There are several virtual table implementations in the SQLite source tree 
(for testing purposes). You might use one of those as a guide. Locate 



















these test virtual table implementations by searching 
for "sqlite3_create_module".

</p><p>You might also want to implement your new virtual table as a 
<a href="c3ref/load_extension.html">loadable extension</a>.

</p><h1 id="virtual_table_methods"><span>2. </span>Virtual Table Methods</h1>

<a name="xcreate"></a>

<h2 id="the_xcreate_method"><span>2.1. </span>The xCreate Method</h2>








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the virtual table mechanism assumes 
that each <a href="c3ref/sqlite3.html">database connection</a> kept
its own copy of the database schema. Hence, the virtual table mechanism
could not be used in a database that has <a href="sharedcache.html">shared cache mode</a> enabled. 
The <a href="c3ref/create_module.html">sqlite3_create_module()</a> interface would return an error if 
<a href="sharedcache.html">shared cache mode</a> is enabled.  That restriction was relaxed
beginning with SQLite <a href="releaselog/3_6_17.html">version 3.6.17</a>.

<a name="customvtab"></a>

</p><h2 id="creating_new_virtual_table_implementations"><span>1.4. </span>Creating New Virtual Table Implementations</h2>

<p>Follow these steps to create your own virtual table:

</p><p>
</p><ol>
................................................................................
     <a href="c3ref/create_module.html">sqlite3_create_module()</a> or <a href="c3ref/create_module.html">sqlite3_create_module_v2()</a> interfaces.
</li><li> Run a <a href="lang_createvtab.html">CREATE VIRTUAL TABLE</a> command that specifies the new module in 
     the USING clause. 
</li></ol>

<p>The only really hard part is step 1. You might want to start with an 
existing virtual table implementation and modify it to suit your needs.
The <a href="https://sqlite.org/src/dir?ci=trunk&type=tree">SQLite source tree</a>
contains many virtual table implementations that are suitable for copying,

including:

</p><p>
</p><ul>
<li> <b><a href="https://sqlite.org/src/file/ext/misc/templatevtab.c">templatevtab.c</a></b>
&rarr; A virtual table created specifically to serve as a template for
other custom virtual tables.
</li><li> <b><a href="https://sqlite.org/src/file/ext/misc/series.c">series.c</a></b>
&rarr; Implementation of the generate_series() table-valued function.
</li><li> <b><a href="https://sqlite.org/src/file/ext/misc/json1.c">json1.c</a></b> &rarr;
Contains the sources for the <a href="json1.html#jeach">json_each()</a> and <a href="json1.html#jtree">json_tree()</a> table-valued
functions.
</li><li> <b><a href="https://sqlite.org/src/file/ext/misc/csv.c">csv.c</a></b> &rarr;
A virtual table that reads CSV files.
</li></ul>


<p>There are <a href="vtablist.html">many other virtual table implementations</a>
in the SQLite source tree that can be used as examples.  Locate 
these other virtual table implementations by searching 
for "sqlite3_create_module".

</p><p>You might also want to implement your new virtual table as a 
<a href="loadext.html">loadable extension</a>.

</p><h1 id="virtual_table_methods"><span>2. </span>Virtual Table Methods</h1>

<a name="xcreate"></a>

<h2 id="the_xcreate_method"><span>2.1. </span>The xCreate Method</h2>

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set specialFileNames [list \
    [file join vtab.html]]

###############################################################################

set path [file dirname [info script]]




set rootUri https://www.sqlite.org


set rootDirectory [file join $path]

if {[info exists argv] && \
    [lsearch -exact -- $argv --verbose] != -1} then {
  set verbose true
} else {
  set verbose false







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set specialFileNames [list \
    [file join vtab.html]]

###############################################################################

set path [file dirname [info script]]

if {[info exists draft] && $draft} then {
  set rootUri https://www.sqlite.org/draft
} else {
  set rootUri https://www.sqlite.org
}

set rootDirectory [file join $path]

if {[info exists argv] && \
    [lsearch -exact -- $argv --verbose] != -1} then {
  set verbose true
} else {
  set verbose false

Changes to NuGet/shared/Core/build/System.Data.SQLite.Core.targets.

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  -->

  <ItemGroup Condition="'$(ContentSQLiteInteropFiles)' != '' And
                        '$(ContentSQLiteInteropFiles)' != 'false' And
                        '@(SQLiteInteropFiles)' != ''">
    <Content Include="@(SQLiteInteropFiles)">
      <Link>%(RecursiveDir)%(FileName)%(Extension)</Link>
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
  </ItemGroup>

  <!--
  ******************************************************************************
  **                   SQLite Interop Library Build Targets                   **
  ******************************************************************************







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  <ItemGroup Condition="'$(ContentSQLiteInteropFiles)' != '' And
                        '$(ContentSQLiteInteropFiles)' != 'false' And
                        '@(SQLiteInteropFiles)' != ''">
    <Content Include="@(SQLiteInteropFiles)">
      <Link>%(RecursiveDir)%(FileName)%(Extension)</Link>
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
  </ItemGroup>

  <!--
  ******************************************************************************
  **                   SQLite Interop Library Build Targets                   **
  ******************************************************************************

Changes to SQLite.Interop/props/sqlite3.props.

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 *
 * Written by Joe Mistachkin.
 * Released to the public domain, use at your own risk!
 *
-->
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
  <PropertyGroup Label="UserMacros">
    <SQLITE_MANIFEST_VERSION>3.30.1.0</SQLITE_MANIFEST_VERSION>
    <SQLITE_RC_VERSION>3,30,1,0</SQLITE_RC_VERSION>
    <SQLITE_COMMON_DEFINES>_CRT_SECURE_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;SQLITE_THREADSAFE=1;SQLITE_USE_URI=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_STAT4=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1;SQLITE_ENABLE_MEMORY_MANAGEMENT=1;SQLITE_ENABLE_API_ARMOR=1;SQLITE_ENABLE_DBSTAT_VTAB=1;SQLITE_ENABLE_STMTVTAB=1</SQLITE_COMMON_DEFINES>
    <SQLITE_EXTRA_DEFINES>SQLITE_PLACEHOLDER=1;SQLITE_HAS_CODEC=1</SQLITE_EXTRA_DEFINES>
    <SQLITE_WINCE_200X_DEFINES>SQLITE_OMIT_WAL=1</SQLITE_WINCE_200X_DEFINES>
    <SQLITE_WINCE_2013_DEFINES>HAVE_ERRNO_H=1;SQLITE_MSVC_LOCALTIME_API=1</SQLITE_WINCE_2013_DEFINES>
    <SQLITE_DEBUG_DEFINES>SQLITE_DEBUG=1;SQLITE_MEMDEBUG=1;SQLITE_ENABLE_EXPENSIVE_ASSERT=1</SQLITE_DEBUG_DEFINES>
    <SQLITE_RELEASE_DEFINES>SQLITE_WIN32_MALLOC=1</SQLITE_RELEASE_DEFINES>
    <SQLITE_DISABLE_WARNINGS>4055;4100;4127;4146;4210;4232;4244;4245;4267;4306;4389;4701;4703;4706</SQLITE_DISABLE_WARNINGS>







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 * Released to the public domain, use at your own risk!
 *
-->
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
  <PropertyGroup Label="UserMacros">
    <SQLITE_MANIFEST_VERSION>3.31.0.0</SQLITE_MANIFEST_VERSION>
    <SQLITE_RC_VERSION>3,31,0,0</SQLITE_RC_VERSION>
    <SQLITE_COMMON_DEFINES>_CRT_SECURE_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;SQLITE_THREADSAFE=1;SQLITE_USE_URI=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_STAT4=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1;SQLITE_ENABLE_MEMORY_MANAGEMENT=1;SQLITE_ENABLE_API_ARMOR=1;SQLITE_ENABLE_DBSTAT_VTAB=1;SQLITE_ENABLE_STMTVTAB=1</SQLITE_COMMON_DEFINES>
    <SQLITE_EXTRA_DEFINES>SQLITE_PLACEHOLDER=1;SQLITE_HAS_CODEC=1</SQLITE_EXTRA_DEFINES>
    <SQLITE_WINCE_200X_DEFINES>SQLITE_OMIT_WAL=1</SQLITE_WINCE_200X_DEFINES>
    <SQLITE_WINCE_2013_DEFINES>HAVE_ERRNO_H=1;SQLITE_MSVC_LOCALTIME_API=1</SQLITE_WINCE_2013_DEFINES>
    <SQLITE_DEBUG_DEFINES>SQLITE_DEBUG=1;SQLITE_MEMDEBUG=1;SQLITE_ENABLE_EXPENSIVE_ASSERT=1</SQLITE_DEBUG_DEFINES>
    <SQLITE_RELEASE_DEFINES>SQLITE_WIN32_MALLOC=1</SQLITE_RELEASE_DEFINES>
    <SQLITE_DISABLE_WARNINGS>4055;4100;4127;4146;4210;4232;4244;4245;4267;4306;4389;4701;4703;4706</SQLITE_DISABLE_WARNINGS>

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<VisualStudioPropertySheet
	ProjectType="Visual C++"
	Version="8.00"
	Name="sqlite3"
	>
	<UserMacro
		Name="SQLITE_MANIFEST_VERSION"
		Value="3.30.1.0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_RC_VERSION"
		Value="3,30,1,0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_COMMON_DEFINES"
		Value="_CRT_SECURE_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;SQLITE_THREADSAFE=1;SQLITE_USE_URI=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_STAT4=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1;SQLITE_ENABLE_MEMORY_MANAGEMENT=1;SQLITE_ENABLE_API_ARMOR=1;SQLITE_ENABLE_DBSTAT_VTAB=1;SQLITE_ENABLE_STMTVTAB=1"
		PerformEnvironmentSet="true"
	/>







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	ProjectType="Visual C++"
	Version="8.00"
	Name="sqlite3"
	>
	<UserMacro
		Name="SQLITE_MANIFEST_VERSION"
		Value="3.31.0.0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_RC_VERSION"
		Value="3,31,0,0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_COMMON_DEFINES"
		Value="_CRT_SECURE_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;SQLITE_THREADSAFE=1;SQLITE_USE_URI=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_STAT4=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1;SQLITE_ENABLE_MEMORY_MANAGEMENT=1;SQLITE_ENABLE_API_ARMOR=1;SQLITE_ENABLE_DBSTAT_VTAB=1;SQLITE_ENABLE_STMTVTAB=1"
		PerformEnvironmentSet="true"
	/>

Changes to SQLite.Interop/src/core/sqlite3.c.

more than 10,000 changes

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.....
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.....
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11684
11685
11686
11687
11688
11689
11690
11691
11692
** been edited in any way since it was last checked in, then the last
** four hexadecimal digits of the hash may be modified.
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.30.1"
#define SQLITE_VERSION_NUMBER 3030001
#define SQLITE_SOURCE_ID      "2019-10-10 20:19:45 18db032d058f1436ce3dea84081f4ee5a0f2259ad97301d43c426bc7f3df1b0b"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
#define SQLITE_BUSY_RECOVERY           (SQLITE_BUSY   |  (1<<8))
#define SQLITE_BUSY_SNAPSHOT           (SQLITE_BUSY   |  (2<<8))
#define SQLITE_CANTOPEN_NOTEMPDIR      (SQLITE_CANTOPEN | (1<<8))
#define SQLITE_CANTOPEN_ISDIR          (SQLITE_CANTOPEN | (2<<8))
#define SQLITE_CANTOPEN_FULLPATH       (SQLITE_CANTOPEN | (3<<8))
#define SQLITE_CANTOPEN_CONVPATH       (SQLITE_CANTOPEN | (4<<8))
#define SQLITE_CANTOPEN_DIRTYWAL       (SQLITE_CANTOPEN | (5<<8)) /* Not Used */

#define SQLITE_CORRUPT_VTAB            (SQLITE_CORRUPT | (1<<8))
#define SQLITE_CORRUPT_SEQUENCE        (SQLITE_CORRUPT | (2<<8))
#define SQLITE_READONLY_RECOVERY       (SQLITE_READONLY | (1<<8))
#define SQLITE_READONLY_CANTLOCK       (SQLITE_READONLY | (2<<8))
#define SQLITE_READONLY_ROLLBACK       (SQLITE_READONLY | (3<<8))
#define SQLITE_READONLY_DBMOVED        (SQLITE_READONLY | (4<<8))
#define SQLITE_READONLY_CANTINIT       (SQLITE_READONLY | (5<<8))
................................................................................
#define SQLITE_CONSTRAINT_FUNCTION     (SQLITE_CONSTRAINT | (4<<8))
#define SQLITE_CONSTRAINT_NOTNULL      (SQLITE_CONSTRAINT | (5<<8))
#define SQLITE_CONSTRAINT_PRIMARYKEY   (SQLITE_CONSTRAINT | (6<<8))
#define SQLITE_CONSTRAINT_TRIGGER      (SQLITE_CONSTRAINT | (7<<8))
#define SQLITE_CONSTRAINT_UNIQUE       (SQLITE_CONSTRAINT | (8<<8))
#define SQLITE_CONSTRAINT_VTAB         (SQLITE_CONSTRAINT | (9<<8))
#define SQLITE_CONSTRAINT_ROWID        (SQLITE_CONSTRAINT |(10<<8))

#define SQLITE_NOTICE_RECOVER_WAL      (SQLITE_NOTICE | (1<<8))
#define SQLITE_NOTICE_RECOVER_ROLLBACK (SQLITE_NOTICE | (2<<8))
#define SQLITE_WARNING_AUTOINDEX       (SQLITE_WARNING | (1<<8))
#define SQLITE_AUTH_USER               (SQLITE_AUTH | (1<<8))
#define SQLITE_OK_LOAD_PERMANENTLY     (SQLITE_OK | (1<<8))


/*
** CAPI3REF: Flags For File Open Operations
**
** These bit values are intended for use in the
** 3rd parameter to the [sqlite3_open_v2()] interface and
** in the 4th parameter to the [sqlite3_vfs.xOpen] method.
................................................................................
#define SQLITE_OPEN_SUBJOURNAL       0x00002000  /* VFS only */
#define SQLITE_OPEN_MASTER_JOURNAL   0x00004000  /* VFS only */
#define SQLITE_OPEN_NOMUTEX          0x00008000  /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_FULLMUTEX        0x00010000  /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_SHAREDCACHE      0x00020000  /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_PRIVATECACHE     0x00040000  /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_WAL              0x00080000  /* VFS only */


/* Reserved:                         0x00F00000 */

/*
** CAPI3REF: Device Characteristics
**
** The xDeviceCharacteristics method of the [sqlite3_io_methods]
................................................................................
** file control occurs at the beginning of pragma statement analysis and so
** it is able to override built-in [PRAGMA] statements.
**
** <li>[[SQLITE_FCNTL_BUSYHANDLER]]
** ^The [SQLITE_FCNTL_BUSYHANDLER]
** file-control may be invoked by SQLite on the database file handle
** shortly after it is opened in order to provide a custom VFS with access
** to the connections busy-handler callback. The argument is of type (void **)
** - an array of two (void *) values. The first (void *) actually points
** to a function of type (int (*)(void *)). In order to invoke the connections
** busy-handler, this function should be invoked with the second (void *) in
** the array as the only argument. If it returns non-zero, then the operation
** should be retried. If it returns zero, the custom VFS should abandon the
** current operation.
**
** <li>[[SQLITE_FCNTL_TEMPFILENAME]]
** ^Application can invoke the [SQLITE_FCNTL_TEMPFILENAME] file-control
** to have SQLite generate a
** temporary filename using the same algorithm that is followed to generate
** temporary filenames for TEMP tables and other internal uses.  The
** argument should be a char** which will be filled with the filename
** written into memory obtained from [sqlite3_malloc()].  The caller should
** invoke [sqlite3_free()] on the result to avoid a memory leak.
**
................................................................................
** connection or through transactions committed by separate database
** connections possibly in other processes. The [sqlite3_total_changes()]
** interface can be used to find if any database on the connection has changed,
** but that interface responds to changes on TEMP as well as MAIN and does
** not provide a mechanism to detect changes to MAIN only.  Also, the
** [sqlite3_total_changes()] interface responds to internal changes only and
** omits changes made by other database connections.  The
** [PRAGMA data_version] command provide a mechanism to detect changes to
** a single attached database that occur due to other database connections,
** but omits changes implemented by the database connection on which it is
** called.  This file control is the only mechanism to detect changes that
** happen either internally or externally and that are associated with
** a particular attached database.






** </ul>
*/
#define SQLITE_FCNTL_LOCKSTATE               1
#define SQLITE_FCNTL_GET_LOCKPROXYFILE       2
#define SQLITE_FCNTL_SET_LOCKPROXYFILE       3
#define SQLITE_FCNTL_LAST_ERRNO              4
#define SQLITE_FCNTL_SIZE_HINT               5
................................................................................
#define SQLITE_FCNTL_PDB                    30
#define SQLITE_FCNTL_BEGIN_ATOMIC_WRITE     31
#define SQLITE_FCNTL_COMMIT_ATOMIC_WRITE    32
#define SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE  33
#define SQLITE_FCNTL_LOCK_TIMEOUT           34
#define SQLITE_FCNTL_DATA_VERSION           35
#define SQLITE_FCNTL_SIZE_LIMIT             36


/* deprecated names */
#define SQLITE_GET_LOCKPROXYFILE      SQLITE_FCNTL_GET_LOCKPROXYFILE
#define SQLITE_SET_LOCKPROXYFILE      SQLITE_FCNTL_SET_LOCKPROXYFILE
#define SQLITE_LAST_ERRNO             SQLITE_FCNTL_LAST_ERRNO


................................................................................
** the end.  Each time such an extension occurs, the iVersion field
** is incremented.  The iVersion value started out as 1 in
** SQLite [version 3.5.0] on [dateof:3.5.0], then increased to 2
** with SQLite [version 3.7.0] on [dateof:3.7.0], and then increased
** to 3 with SQLite [version 3.7.6] on [dateof:3.7.6].  Additional fields
** may be appended to the sqlite3_vfs object and the iVersion value
** may increase again in future versions of SQLite.
** Note that the structure
** of the sqlite3_vfs object changes in the transition from
** SQLite [version 3.5.9] to [version 3.6.0] on [dateof:3.6.0]
** and yet the iVersion field was not modified.
**
** The szOsFile field is the size of the subclassed [sqlite3_file]
** structure used by this VFS.  mxPathname is the maximum length of
** a pathname in this VFS.
**
** Registered sqlite3_vfs objects are kept on a linked list formed by
** the pNext pointer.  The [sqlite3_vfs_register()]
................................................................................
** API.  The SQLITE_OPEN_EXCLUSIVE flag, when paired with the 
** SQLITE_OPEN_CREATE, is used to indicate that file should always
** be created, and that it is an error if it already exists.
** It is <i>not</i> used to indicate the file should be opened 
** for exclusive access.
**
** ^At least szOsFile bytes of memory are allocated by SQLite
** to hold the  [sqlite3_file] structure passed as the third
** argument to xOpen.  The xOpen method does not have to
** allocate the structure; it should just fill it in.  Note that
** the xOpen method must set the sqlite3_file.pMethods to either
** a valid [sqlite3_io_methods] object or to NULL.  xOpen must do
** this even if the open fails.  SQLite expects that the sqlite3_file.pMethods
** element will be valid after xOpen returns regardless of the success
** or failure of the xOpen call.
................................................................................
** allocators round up memory allocations at least to the next multiple
** of 8.  Some allocators round up to a larger multiple or to a power of 2.
** Every memory allocation request coming in through [sqlite3_malloc()]
** or [sqlite3_realloc()] first calls xRoundup.  If xRoundup returns 0, 
** that causes the corresponding memory allocation to fail.
**
** The xInit method initializes the memory allocator.  For example,
** it might allocate any require mutexes or initialize internal data
** structures.  The xShutdown method is invoked (indirectly) by
** [sqlite3_shutdown()] and should deallocate any resources acquired
** by xInit.  The pAppData pointer is used as the only parameter to
** xInit and xShutdown.
**
** SQLite holds the [SQLITE_MUTEX_STATIC_MASTER] mutex when it invokes
** the xInit method, so the xInit method need not be threadsafe.  The
................................................................................
**
** [[SQLITE_CONFIG_MEMSTATUS]] <dt>SQLITE_CONFIG_MEMSTATUS</dt>
** <dd> ^The SQLITE_CONFIG_MEMSTATUS option takes single argument of type int,
** interpreted as a boolean, which enables or disables the collection of
** memory allocation statistics. ^(When memory allocation statistics are
** disabled, the following SQLite interfaces become non-operational:
**   <ul>

**   <li> [sqlite3_memory_used()]
**   <li> [sqlite3_memory_highwater()]
**   <li> [sqlite3_soft_heap_limit64()]
**   <li> [sqlite3_status64()]
**   </ul>)^
** ^Memory allocation statistics are enabled by default unless SQLite is
** compiled with [SQLITE_DEFAULT_MEMSTATUS]=0 in which case memory
................................................................................
** <dd> The SQLITE_CONFIG_SCRATCH option is no longer used.
** </dd>
**
** [[SQLITE_CONFIG_PAGECACHE]] <dt>SQLITE_CONFIG_PAGECACHE</dt>
** <dd> ^The SQLITE_CONFIG_PAGECACHE option specifies a memory pool
** that SQLite can use for the database page cache with the default page
** cache implementation.  
** This configuration option is a no-op if an application-define page
** cache implementation is loaded using the [SQLITE_CONFIG_PCACHE2].
** ^There are three arguments to SQLITE_CONFIG_PAGECACHE: A pointer to
** 8-byte aligned memory (pMem), the size of each page cache line (sz),
** and the number of cache lines (N).
** The sz argument should be the size of the largest database page
** (a power of two between 512 and 65536) plus some extra bytes for each
** page header.  ^The number of extra bytes needed by the page header
................................................................................
** additional information. This feature can also be turned on and off
** using the [PRAGMA legacy_alter_table] statement.
** </dd>
**
** [[SQLITE_DBCONFIG_DQS_DML]]
** <dt>SQLITE_DBCONFIG_DQS_DML</td>
** <dd>The SQLITE_DBCONFIG_DQS_DML option activates or deactivates
** the legacy [double-quoted string literal] misfeature for DML statement
** only, that is DELETE, INSERT, SELECT, and UPDATE statements. The
** default value of this setting is determined by the [-DSQLITE_DQS]
** compile-time option.
** </dd>
**
** [[SQLITE_DBCONFIG_DQS_DDL]]
** <dt>SQLITE_DBCONFIG_DQS_DDL</td>
** <dd>The SQLITE_DBCONFIG_DQS option activates or deactivates
** the legacy [double-quoted string literal] misfeature for DDL statements,
** such as CREATE TABLE and CREATE INDEX. The
** default value of this setting is determined by the [-DSQLITE_DQS]
** compile-time option.
** </dd>











































** </dl>
*/
#define SQLITE_DBCONFIG_MAINDBNAME            1000 /* const char* */
#define SQLITE_DBCONFIG_LOOKASIDE             1001 /* void* int int */
#define SQLITE_DBCONFIG_ENABLE_FKEY           1002 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_TRIGGER        1003 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER 1004 /* int int* */
................................................................................
#define SQLITE_DBCONFIG_RESET_DATABASE        1009 /* int int* */
#define SQLITE_DBCONFIG_DEFENSIVE             1010 /* int int* */
#define SQLITE_DBCONFIG_WRITABLE_SCHEMA       1011 /* int int* */
#define SQLITE_DBCONFIG_LEGACY_ALTER_TABLE    1012 /* int int* */
#define SQLITE_DBCONFIG_DQS_DML               1013 /* int int* */
#define SQLITE_DBCONFIG_DQS_DDL               1014 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_VIEW           1015 /* int int* */


#define SQLITE_DBCONFIG_MAX                   1015 /* Largest DBCONFIG */

/*
** CAPI3REF: Enable Or Disable Extended Result Codes
** METHOD: sqlite3
**
** ^The sqlite3_extended_result_codes() routine enables or disables the
** [extended result codes] feature of SQLite. ^The extended result
................................................................................
** ^If the interrupted SQL operation is an INSERT, UPDATE, or DELETE
** that is inside an explicit transaction, then the entire transaction
** will be rolled back automatically.
**
** ^The sqlite3_interrupt(D) call is in effect until all currently running
** SQL statements on [database connection] D complete.  ^Any new SQL statements
** that are started after the sqlite3_interrupt() call and before the 
** running statements reaches zero are interrupted as if they had been
** running prior to the sqlite3_interrupt() call.  ^New SQL statements
** that are started after the running statement count reaches zero are
** not effected by the sqlite3_interrupt().
** ^A call to sqlite3_interrupt(D) that occurs when there are no running
** SQL statements is a no-op and has no effect on SQL statements
** that are started after the sqlite3_interrupt() call returns.
*/
................................................................................
**        Name        | Age
**        -----------------------
**        Alice       | 43
**        Bob         | 28
**        Cindy       | 21
** </pre></blockquote>
**
** There are two column (M==2) and three rows (N==3).  Thus the
** result table has 8 entries.  Suppose the result table is stored
** in an array names azResult.  Then azResult holds this content:
**
** <blockquote><pre>
**        azResult&#91;0] = "Name";
**        azResult&#91;1] = "Age";
**        azResult&#91;2] = "Alice";
**        azResult&#91;3] = "43";
**        azResult&#91;4] = "Bob";
................................................................................
SQLITE_API char *sqlite3_vsnprintf(int,char*,const char*, va_list);

/*
** CAPI3REF: Memory Allocation Subsystem
**
** The SQLite core uses these three routines for all of its own
** internal memory allocation needs. "Core" in the previous sentence
** does not include operating-system specific VFS implementation.  The
** Windows VFS uses native malloc() and free() for some operations.
**
** ^The sqlite3_malloc() routine returns a pointer to a block
** of memory at least N bytes in length, where N is the parameter.
** ^If sqlite3_malloc() is unable to obtain sufficient free
** memory, it returns a NULL pointer.  ^If the parameter N to
** sqlite3_malloc() is zero or negative then sqlite3_malloc() returns
................................................................................
**
** ^The memory returned by sqlite3_malloc(), sqlite3_realloc(),
** sqlite3_malloc64(), and sqlite3_realloc64()
** is always aligned to at least an 8 byte boundary, or to a
** 4 byte boundary if the [SQLITE_4_BYTE_ALIGNED_MALLOC] compile-time
** option is used.
**
** In SQLite version 3.5.0 and 3.5.1, it was possible to define
** the SQLITE_OMIT_MEMORY_ALLOCATION which would cause the built-in
** implementation of these routines to be omitted.  That capability
** is no longer provided.  Only built-in memory allocators can be used.
**
** Prior to SQLite version 3.7.10, the Windows OS interface layer called
** the system malloc() and free() directly when converting
** filenames between the UTF-8 encoding used by SQLite
** and whatever filename encoding is used by the particular Windows
** installation.  Memory allocation errors were detected, but
** they were reported back as [SQLITE_CANTOPEN] or
** [SQLITE_IOERR] rather than [SQLITE_NOMEM].
**
** The pointer arguments to [sqlite3_free()] and [sqlite3_realloc()]
** must be either NULL or else pointers obtained from a prior
** invocation of [sqlite3_malloc()] or [sqlite3_realloc()] that have
** not yet been released.
**
** The application must not read or write any part of
** a block of memory after it has been released using
................................................................................

/*
** CAPI3REF: Pseudo-Random Number Generator
**
** SQLite contains a high-quality pseudo-random number generator (PRNG) used to
** select random [ROWID | ROWIDs] when inserting new records into a table that
** already uses the largest possible [ROWID].  The PRNG is also used for
** the build-in random() and randomblob() SQL functions.  This interface allows
** applications to access the same PRNG for other purposes.
**
** ^A call to this routine stores N bytes of randomness into buffer P.
** ^The P parameter can be a NULL pointer.
**
** ^If this routine has not been previously called or if the previous
** call had N less than one or a NULL pointer for P, then the PRNG is
................................................................................
** Whether or not an error occurs when it is opened, resources
** associated with the [database connection] handle should be released by
** passing it to [sqlite3_close()] when it is no longer required.
**
** The sqlite3_open_v2() interface works like sqlite3_open()
** except that it accepts two additional parameters for additional control
** over the new database connection.  ^(The flags parameter to
** sqlite3_open_v2() can take one of
** the following three values, optionally combined with the 
** [SQLITE_OPEN_NOMUTEX], [SQLITE_OPEN_FULLMUTEX], [SQLITE_OPEN_SHAREDCACHE],
** [SQLITE_OPEN_PRIVATECACHE], and/or [SQLITE_OPEN_URI] flags:)^
**
** <dl>
** ^(<dt>[SQLITE_OPEN_READONLY]</dt>
** <dd>The database is opened in read-only mode.  If the database does not
** already exist, an error is returned.</dd>)^
**
** ^(<dt>[SQLITE_OPEN_READWRITE]</dt>
................................................................................
** case the database must already exist, otherwise an error is returned.</dd>)^
**
** ^(<dt>[SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]</dt>
** <dd>The database is opened for reading and writing, and is created if
** it does not already exist. This is the behavior that is always used for
** sqlite3_open() and sqlite3_open16().</dd>)^
** </dl>
**








































** If the 3rd parameter to sqlite3_open_v2() is not one of the
** combinations shown above optionally combined with other
** [SQLITE_OPEN_READONLY | SQLITE_OPEN_* bits]
** then the behavior is undefined.
**
** ^If the [SQLITE_OPEN_NOMUTEX] flag is set, then the database connection
** opens in the multi-thread [threading mode] as long as the single-thread
** mode has not been set at compile-time or start-time.  ^If the
** [SQLITE_OPEN_FULLMUTEX] flag is set then the database connection opens
** in the serialized [threading mode] unless single-thread was
** previously selected at compile-time or start-time.
** ^The [SQLITE_OPEN_SHAREDCACHE] flag causes the database connection to be
** eligible to use [shared cache mode], regardless of whether or not shared
** cache is enabled using [sqlite3_enable_shared_cache()].  ^The
** [SQLITE_OPEN_PRIVATECACHE] flag causes the database connection to not
** participate in [shared cache mode] even if it is enabled.
**
** ^The fourth parameter to sqlite3_open_v2() is the name of the
** [sqlite3_vfs] object that defines the operating system interface that
** the new database connection should use.  ^If the fourth parameter is
** a NULL pointer then the default [sqlite3_vfs] object is used.
**
** ^If the filename is ":memory:", then a private, temporary in-memory database
** is created for the connection.  ^This in-memory database will vanish when
................................................................................
  int flags,              /* Flags */
  const char *zVfs        /* Name of VFS module to use */
);

/*
** CAPI3REF: Obtain Values For URI Parameters
**
** These are utility routines, useful to VFS implementations, that check
** to see if a database file was a URI that contained a specific query 
** parameter, and if so obtains the value of that query parameter.
**
** If F is the database filename pointer passed into the xOpen() method of 
** a VFS implementation when the flags parameter to xOpen() has one or 
** more of the [SQLITE_OPEN_URI] or [SQLITE_OPEN_MAIN_DB] bits set and
** P is the name of the query parameter, then
** sqlite3_uri_parameter(F,P) returns the value of the P
** parameter if it exists or a NULL pointer if P does not appear as a 
** query parameter on F.  If P is a query parameter of F
** has no explicit value, then sqlite3_uri_parameter(F,P) returns
** a pointer to an empty string.
**
** The sqlite3_uri_boolean(F,P,B) routine assumes that P is a boolean
** parameter and returns true (1) or false (0) according to the value
** of P.  The sqlite3_uri_boolean(F,P,B) routine returns true (1) if the
** value of query parameter P is one of "yes", "true", or "on" in any
** case or if the value begins with a non-zero number.  The 
** sqlite3_uri_boolean(F,P,B) routines returns false (0) if the value of
** query parameter P is one of "no", "false", or "off" in any case or
** if the value begins with a numeric zero.  If P is not a query
** parameter on F or if the value of P is does not match any of the
** above, then sqlite3_uri_boolean(F,P,B) returns (B!=0).
**
** The sqlite3_uri_int64(F,P,D) routine converts the value of P into a
** 64-bit signed integer and returns that integer, or D if P does not
** exist.  If the value of P is something other than an integer, then
** zero is returned.







** 
** If F is a NULL pointer, then sqlite3_uri_parameter(F,P) returns NULL and
** sqlite3_uri_boolean(F,P,B) returns B.  If F is not a NULL pointer and
** is not a database file pathname pointer that SQLite passed into the xOpen
** VFS method, then the behavior of this routine is undefined and probably
** undesirable.








**
** See the [URI filename] documentation for additional information.
*/
SQLITE_API const char *sqlite3_uri_parameter(const char *zFilename, const char *zParam);
SQLITE_API int sqlite3_uri_boolean(const char *zFile, const char *zParam, int bDefault);
SQLITE_API sqlite3_int64 sqlite3_uri_int64(const char*, const char*, sqlite3_int64);


































/*
** CAPI3REF: Error Codes And Messages
** METHOD: sqlite3
**
** ^If the most recent sqlite3_* API call associated with 
................................................................................
** [sqlite3_step()] would only return a generic [SQLITE_ERROR] result code
** and the application would have to make a second call to [sqlite3_reset()]
** in order to find the underlying cause of the problem. With the "v2" prepare
** interfaces, the underlying reason for the error is returned immediately.
** </li>
**
** <li>
** ^If the specific value bound to [parameter | host parameter] in the 
** WHERE clause might influence the choice of query plan for a statement,
** then the statement will be automatically recompiled, as if there had been 
** a schema change, on the first  [sqlite3_step()] call following any change
** to the [sqlite3_bind_text | bindings] of that [parameter]. 
** ^The specific value of WHERE-clause [parameter] might influence the 
** choice of query plan if the parameter is the left-hand side of a [LIKE]
** or [GLOB] operator or if the parameter is compared to an indexed column
** and the [SQLITE_ENABLE_STAT4] compile-time option is enabled.
** </li>
** </ol>
**
** <p>^sqlite3_prepare_v3() differs from sqlite3_prepare_v2() only in having
................................................................................
** ^The first argument to these interfaces is a [prepared statement].
** ^These functions return information about the Nth result column returned by
** the statement, where N is the second function argument.
** ^The left-most column is column 0 for these routines.
**
** ^If the Nth column returned by the statement is an expression or
** subquery and is not a column value, then all of these functions return
** NULL.  ^These routine might also return NULL if a memory allocation error
** occurs.  ^Otherwise, they return the name of the attached database, table,
** or column that query result column was extracted from.
**
** ^As with all other SQLite APIs, those whose names end with "16" return
** UTF-16 encoded strings and the other functions return UTF-8.
**
** ^These APIs are only available if the library was compiled with the
** [SQLITE_ENABLE_COLUMN_METADATA] C-preprocessor symbol.
**
** If two or more threads call one or more of these routines against the same
** prepared statement and column at the same time then the results are
** undefined.
**
** If two or more threads call one or more
** [sqlite3_column_database_name | column metadata interfaces]
** for the same [prepared statement] and result column
** at the same time then the results are undefined.
*/
SQLITE_API const char *sqlite3_column_database_name(sqlite3_stmt*,int);
SQLITE_API const void *sqlite3_column_database_name16(sqlite3_stmt*,int);
................................................................................
/*
** CAPI3REF: Number of columns in a result set
** METHOD: sqlite3_stmt
**
** ^The sqlite3_data_count(P) interface returns the number of columns in the
** current row of the result set of [prepared statement] P.
** ^If prepared statement P does not have results ready to return
** (via calls to the [sqlite3_column_int | sqlite3_column_*()] of
** interfaces) then sqlite3_data_count(P) returns 0.
** ^The sqlite3_data_count(P) routine also returns 0 if P is a NULL pointer.
** ^The sqlite3_data_count(P) routine returns 0 if the previous call to
** [sqlite3_step](P) returned [SQLITE_DONE].  ^The sqlite3_data_count(P)
** will return non-zero if previous call to [sqlite3_step](P) returned
** [SQLITE_ROW], except in the case of the [PRAGMA incremental_vacuum]
** where it always returns zero since each step of that multi-step
................................................................................
** of any [sqlite3_bind_blob|bindings] on the [prepared statement] S.
*/
SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt);

/*
** CAPI3REF: Create Or Redefine SQL Functions
** KEYWORDS: {function creation routines}
** KEYWORDS: {application-defined SQL function}
** KEYWORDS: {application-defined SQL functions}
** METHOD: sqlite3
**
** ^These functions (collectively known as "function creation routines")
** are used to add SQL functions or aggregates or to redefine the behavior
** of existing SQL functions or aggregates. The only differences between
** the three "sqlite3_create_function*" routines are the text encoding 
** expected for the second parameter (the name of the function being 
................................................................................
** deterministic.  The built-in [random()] SQL function is an example of a
** function that is not deterministic.  The SQLite query planner is able to
** perform additional optimizations on deterministic functions, so use
** of the [SQLITE_DETERMINISTIC] flag is recommended where possible.
**
** ^The fourth parameter may also optionally include the [SQLITE_DIRECTONLY]
** flag, which if present prevents the function from being invoked from
** within VIEWs or TRIGGERs.  For security reasons, the [SQLITE_DIRECTONLY]




** flag is recommended for any application-defined SQL function that has
** side-effects.








**
** ^(The fifth parameter is an arbitrary pointer.  The implementation of the
** function can gain access to this pointer using [sqlite3_user_data()].)^
**
** ^The sixth, seventh and eighth parameters passed to the three
** "sqlite3_create_function*" functions, xFunc, xStep and xFinal, are
** pointers to C-language functions that implement the SQL function or
................................................................................
** CAPI3REF: Function Flags
**
** These constants may be ORed together with the 
** [SQLITE_UTF8 | preferred text encoding] as the fourth argument
** to [sqlite3_create_function()], [sqlite3_create_function16()], or
** [sqlite3_create_function_v2()].
**


** The SQLITE_DETERMINISTIC flag means that the new function will always
** maps the same inputs into the same output.  The abs() function is

** deterministic, for example, but randomblob() is not.






**

** The SQLITE_DIRECTONLY flag means that the function may only be invoked
** from top-level SQL, and cannot be used in VIEWs or TRIGGERs.  This is


** a security feature which is recommended for all 
** [application-defined SQL functions] that have side-effects.  This flag 
** prevents an attacker from adding triggers and views to a schema then 
** tricking a high-privilege application into causing unintended side-effects
** while performing ordinary queries.



**
























** The SQLITE_SUBTYPE flag indicates to SQLite that a function may call
** [sqlite3_value_subtype()] to inspect the sub-types of its arguments.
** Specifying this flag makes no difference for scalar or aggregate user
** functions. However, if it is not specified for a user-defined window
** function, then any sub-types belonging to arguments passed to the window
** function may be discarded before the window function is called (i.e.
** sqlite3_value_subtype() will always return 0).


*/
#define SQLITE_DETERMINISTIC    0x000000800
#define SQLITE_DIRECTONLY       0x000080000
#define SQLITE_SUBTYPE          0x000100000


/*
** CAPI3REF: Deprecated Functions
** DEPRECATED
**
** These functions are [deprecated].  In order to maintain
** backwards compatibility with older code, these functions continue 
................................................................................
** <td>&rarr;&nbsp;&nbsp;<td>True if value originated from a [bound parameter]
** </table></blockquote>
**
** <b>Details:</b>
**
** These routines extract type, size, and content information from
** [protected sqlite3_value] objects.  Protected sqlite3_value objects
** are used to pass parameter information into implementation of
** [application-defined SQL functions] and [virtual tables].
**
** These routines work only with [protected sqlite3_value] objects.
** Any attempt to use these routines on an [unprotected sqlite3_value]
** is not threadsafe.
**
** ^These routines work just like the corresponding [column access functions]
** except that these routines take a single [protected sqlite3_value] object
................................................................................
** to be a NULL value.  If sqlite3_value_nochange(X) is invoked anywhere other
** than within an [xUpdate] method call for an UPDATE statement, then
** the return value is arbitrary and meaningless.
**
** ^The sqlite3_value_frombind(X) interface returns non-zero if the
** value X originated from one of the [sqlite3_bind_int|sqlite3_bind()]
** interfaces.  ^If X comes from an SQL literal value, or a table column,
** and expression, then sqlite3_value_frombind(X) returns zero.
**
** Please pay particular attention to the fact that the pointer returned
** from [sqlite3_value_blob()], [sqlite3_value_text()], or
** [sqlite3_value_text16()] can be invalidated by a subsequent call to
** [sqlite3_value_bytes()], [sqlite3_value_bytes16()], [sqlite3_value_text()],
** or [sqlite3_value_text16()].
**
................................................................................
** CAPI3REF: Obtain Aggregate Function Context
** METHOD: sqlite3_context
**
** Implementations of aggregate SQL functions use this
** routine to allocate memory for storing their state.
**
** ^The first time the sqlite3_aggregate_context(C,N) routine is called 
** for a particular aggregate function, SQLite
** allocates N of memory, zeroes out that memory, and returns a pointer
** to the new memory. ^On second and subsequent calls to
** sqlite3_aggregate_context() for the same aggregate function instance,
** the same buffer is returned.  Sqlite3_aggregate_context() is normally
** called once for each invocation of the xStep callback and then one
** last time when the xFinal callback is invoked.  ^(When no rows match
** an aggregate query, the xStep() callback of the aggregate function
** implementation is never called and xFinal() is called exactly once.
................................................................................
**
** ^The sqlite3_aggregate_context(C,N) routine returns a NULL pointer 
** when first called if N is less than or equal to zero or if a memory
** allocate error occurs.
**
** ^(The amount of space allocated by sqlite3_aggregate_context(C,N) is
** determined by the N parameter on first successful call.  Changing the
** value of N in subsequent call to sqlite3_aggregate_context() within
** the same aggregate function instance will not resize the memory
** allocation.)^  Within the xFinal callback, it is customary to set
** N=0 in calls to sqlite3_aggregate_context(C,N) so that no 
** pointless memory allocations occur.
**
** ^SQLite automatically frees the memory allocated by 
** sqlite3_aggregate_context() when the aggregate query concludes.
................................................................................
** <li> [SQLITE_UTF8],
** <li> [SQLITE_UTF16LE],
** <li> [SQLITE_UTF16BE],
** <li> [SQLITE_UTF16], or
** <li> [SQLITE_UTF16_ALIGNED].
** </ul>)^
** ^The eTextRep argument determines the encoding of strings passed
** to the collating function callback, xCallback.
** ^The [SQLITE_UTF16] and [SQLITE_UTF16_ALIGNED] values for eTextRep
** force strings to be UTF16 with native byte order.
** ^The [SQLITE_UTF16_ALIGNED] value for eTextRep forces strings to begin
** on an even byte address.
**
** ^The fourth argument, pArg, is an application data pointer that is passed
** through as the first argument to the collating function callback.
**
** ^The fifth argument, xCallback, is a pointer to the collating function.
** ^Multiple collating functions can be registered using the same name but
** with different eTextRep parameters and SQLite will use whichever
** function requires the least amount of data transformation.
** ^If the xCallback argument is NULL then the collating function is
** deleted.  ^When all collating functions having the same name are deleted,
** that collation is no longer usable.
**
** ^The collating function callback is invoked with a copy of the pArg 
** application data pointer and with two strings in the encoding specified
** by the eTextRep argument.  The collating function must return an

** integer that is negative, zero, or positive
** if the first string is less than, equal to, or greater than the second,
** respectively.  A collating function must always return the same answer
** given the same inputs.  If two or more collating functions are registered
** to the same collation name (using different eTextRep values) then all
** must give an equivalent answer when invoked with equivalent strings.
** The collating function must obey the following properties for all
** strings A, B, and C:
................................................................................
** <li> If A==B then B==A.
** <li> If A==B and B==C then A==C.
** <li> If A&lt;B THEN B&gt;A.
** <li> If A&lt;B and B&lt;C then A&lt;C.
** </ol>
**
** If a collating function fails any of the above constraints and that
** collating function is  registered and used, then the behavior of SQLite
** is undefined.
**
** ^The sqlite3_create_collation_v2() works like sqlite3_create_collation()
** with the addition that the xDestroy callback is invoked on pArg when
** the collating function is deleted.
** ^Collating functions are deleted when they are overridden by later
** calls to the collation creation functions or when the
................................................................................
*/
SQLITE_API sqlite3 *sqlite3_db_handle(sqlite3_stmt*);

/*
** CAPI3REF: Return The Filename For A Database Connection
** METHOD: sqlite3
**
** ^The sqlite3_db_filename(D,N) interface returns a pointer to a filename
** associated with database N of connection D.  ^The main database file
** has the name "main".  If there is no attached database N on the database
** connection D, or if database N is a temporary or in-memory database, then
** this function will return either a NULL pointer or an empty string.




**
** ^The filename returned by this function is the output of the
** xFullPathname method of the [VFS].  ^In other words, the filename
** will be an absolute pathname, even if the filename used
** to open the database originally was a URI or relative pathname.











*/
SQLITE_API const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName);

/*
** CAPI3REF: Determine if a database is read-only
** METHOD: sqlite3
**
................................................................................
** ^Cache sharing is enabled and disabled for an entire process.
** This is a change as of SQLite [version 3.5.0] ([dateof:3.5.0]). 
** In prior versions of SQLite,
** sharing was enabled or disabled for each thread separately.
**
** ^(The cache sharing mode set by this interface effects all subsequent
** calls to [sqlite3_open()], [sqlite3_open_v2()], and [sqlite3_open16()].
** Existing database connections continue use the sharing mode
** that was in effect at the time they were opened.)^
**
** ^(This routine returns [SQLITE_OK] if shared cache was enabled or disabled
** successfully.  An [error code] is returned otherwise.)^
**
** ^Shared cache is disabled by default. But this might change in
** future releases of SQLite.  Applications that care about shared
** cache setting should set it explicitly.




**
** Note: This method is disabled on MacOS X 10.7 and iOS version 5.0
** and will always return SQLITE_MISUSE. On those systems, 
** shared cache mode should be enabled per-database connection via 
** [sqlite3_open_v2()] with [SQLITE_OPEN_SHAREDCACHE].
**
** This interface is threadsafe on processors where writing a
................................................................................
**
** See also: [sqlite3_release_memory()]
*/
SQLITE_API int sqlite3_db_release_memory(sqlite3*);

/*
** CAPI3REF: Impose A Limit On Heap Size



**
** ^The sqlite3_soft_heap_limit64() interface sets and/or queries the
** soft limit on the amount of heap memory that may be allocated by SQLite.
** ^SQLite strives to keep heap memory utilization below the soft heap
** limit by reducing the number of pages held in the page cache
** as heap memory usages approaches the limit.
** ^The soft heap limit is "soft" because even though SQLite strives to stay
** below the limit, it will exceed the limit rather than generate
** an [SQLITE_NOMEM] error.  In other words, the soft heap limit 
** is advisory only.
**







** ^The return value from sqlite3_soft_heap_limit64() is the size of
** the soft heap limit prior to the call, or negative in the case of an
** error.  ^If the argument N is negative
** then no change is made to the soft heap limit.  Hence, the current
** size of the soft heap limit can be determined by invoking
** sqlite3_soft_heap_limit64() with a negative argument.
**
** ^If the argument N is zero then the soft heap limit is disabled.

**














** ^(The soft heap limit is not enforced in the current implementation
** if one or more of following conditions are true:
**
** <ul>
** <li> The soft heap limit is set to zero.
** <li> Memory accounting is disabled using a combination of the
**      [sqlite3_config]([SQLITE_CONFIG_MEMSTATUS],...) start-time option and
**      the [SQLITE_DEFAULT_MEMSTATUS] compile-time option.
** <li> An alternative page cache implementation is specified using
**      [sqlite3_config]([SQLITE_CONFIG_PCACHE2],...).
** <li> The page cache allocates from its own memory pool supplied
**      by [sqlite3_config]([SQLITE_CONFIG_PAGECACHE],...) rather than
**      from the heap.
** </ul>)^
**
** Beginning with SQLite [version 3.7.3] ([dateof:3.7.3]), 
** the soft heap limit is enforced
** regardless of whether or not the [SQLITE_ENABLE_MEMORY_MANAGEMENT]
** compile-time option is invoked.  With [SQLITE_ENABLE_MEMORY_MANAGEMENT],
** the soft heap limit is enforced on every memory allocation.  Without
** [SQLITE_ENABLE_MEMORY_MANAGEMENT], the soft heap limit is only enforced
** when memory is allocated by the page cache.  Testing suggests that because
** the page cache is the predominate memory user in SQLite, most
** applications will achieve adequate soft heap limit enforcement without
** the use of [SQLITE_ENABLE_MEMORY_MANAGEMENT].
**
** The circumstances under which SQLite will enforce the soft heap limit may
** changes in future releases of SQLite.
*/
SQLITE_API sqlite3_int64 sqlite3_soft_heap_limit64(sqlite3_int64 N);


/*
** CAPI3REF: Deprecated Soft Heap Limit Interface
** DEPRECATED
**
** This is a deprecated version of the [sqlite3_soft_heap_limit64()]
** interface.  This routine is provided for historical compatibility
................................................................................
**
** ^(The sqlite3_table_column_metadata(X,D,T,C,....) routine returns
** information about column C of table T in database D
** on [database connection] X.)^  ^The sqlite3_table_column_metadata()
** interface returns SQLITE_OK and fills in the non-NULL pointers in
** the final five arguments with appropriate values if the specified
** column exists.  ^The sqlite3_table_column_metadata() interface returns
** SQLITE_ERROR and if the specified column does not exist.
** ^If the column-name parameter to sqlite3_table_column_metadata() is a
** NULL pointer, then this routine simply checks for the existence of the
** table and returns SQLITE_OK if the table exists and SQLITE_ERROR if it
** does not.  If the table name parameter T in a call to
** sqlite3_table_column_metadata(X,D,T,C,...) is NULL then the result is
** undefined behavior.
**
................................................................................
**
** ^This interface enables or disables both the C-API
** [sqlite3_load_extension()] and the SQL function [load_extension()].
** ^(Use [sqlite3_db_config](db,[SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION],..)
** to enable or disable only the C-API.)^
**
** <b>Security warning:</b> It is recommended that extension loading
** be disabled using the [SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION] method
** rather than this interface, so the [load_extension()] SQL function
** remains disabled. This will prevent SQL injections from giving attackers
** access to extension loading capabilities.
*/
SQLITE_API int sqlite3_enable_load_extension(sqlite3 *db, int onoff);

/*
................................................................................
typedef struct sqlite3_module sqlite3_module;

/*
** CAPI3REF: Virtual Table Object
** KEYWORDS: sqlite3_module {virtual table module}
**
** This structure, sometimes called a "virtual table module", 
** defines the implementation of a [virtual tables].  
** This structure consists mostly of methods for the module.
**
** ^A virtual table module is created by filling in a persistent
** instance of this structure and passing a pointer to that instance
** to [sqlite3_create_module()] or [sqlite3_create_module_v2()].
** ^The registration remains valid until it is replaced by a different
** module or until the [database connection] closes.  The content
................................................................................
** non-zero.
**
** The [xBestIndex] method must fill aConstraintUsage[] with information
** about what parameters to pass to xFilter.  ^If argvIndex>0 then
** the right-hand side of the corresponding aConstraint[] is evaluated
** and becomes the argvIndex-th entry in argv.  ^(If aConstraintUsage[].omit
** is true, then the constraint is assumed to be fully handled by the
** virtual table and is not checked again by SQLite.)^






**
** ^The idxNum and idxPtr values are recorded and passed into the
** [xFilter] method.
** ^[sqlite3_free()] is used to free idxPtr if and only if
** needToFreeIdxPtr is true.
**
** ^The orderByConsumed means that output from [xFilter]/[xNext] will occur in
................................................................................
** the xUpdate method are automatically rolled back by SQLite.
**
** IMPORTANT: The estimatedRows field was added to the sqlite3_index_info
** structure for SQLite [version 3.8.2] ([dateof:3.8.2]). 
** If a virtual table extension is
** used with an SQLite version earlier than 3.8.2, the results of attempting 
** to read or write the estimatedRows field are undefined (but are likely 
** to included crashing the application). The estimatedRows field should
** therefore only be used if [sqlite3_libversion_number()] returns a
** value greater than or equal to 3008002. Similarly, the idxFlags field
** was added for [version 3.9.0] ([dateof:3.9.0]). 
** It may therefore only be used if
** sqlite3_libversion_number() returns a value greater than or equal to
** 3009000.
*/
................................................................................
** these bits.
*/
#define SQLITE_INDEX_SCAN_UNIQUE      1     /* Scan visits at most 1 row */

/*
** CAPI3REF: Virtual Table Constraint Operator Codes
**
** These macros defined the allowed values for the
** [sqlite3_index_info].aConstraint[].op field.  Each value represents
** an operator that is part of a constraint term in the wHERE clause of
** a query that uses a [virtual table].
*/
#define SQLITE_INDEX_CONSTRAINT_EQ         2
#define SQLITE_INDEX_CONSTRAINT_GT         4
#define SQLITE_INDEX_CONSTRAINT_LE         8
................................................................................
**   <li>  [sqlite3_mutex_held()] </li>
**   <li>  [sqlite3_mutex_notheld()] </li>
** </ul>)^
**
** The only difference is that the public sqlite3_XXX functions enumerated
** above silently ignore any invocations that pass a NULL pointer instead
** of a valid mutex handle. The implementations of the methods defined
** by this structure are not required to handle this case, the results
** of passing a NULL pointer instead of a valid mutex handle are undefined
** (i.e. it is acceptable to provide an implementation that segfaults if
** it is passed a NULL pointer).
**
** The xMutexInit() method must be threadsafe.  It must be harmless to
** invoke xMutexInit() multiple times within the same process and without
** intervening calls to xMutexEnd().  Second and subsequent calls to
................................................................................
** returned value includes allocations that overflowed because they
** where too large (they were larger than the "sz" parameter to
** [SQLITE_CONFIG_PAGECACHE]) and allocations that overflowed because
** no space was left in the page cache.</dd>)^
**
** [[SQLITE_STATUS_PAGECACHE_SIZE]] ^(<dt>SQLITE_STATUS_PAGECACHE_SIZE</dt>
** <dd>This parameter records the largest memory allocation request
** handed to [pagecache memory allocator].  Only the value returned in the
** *pHighwater parameter to [sqlite3_status()] is of interest.  
** The value written into the *pCurrent parameter is undefined.</dd>)^
**
** [[SQLITE_STATUS_SCRATCH_USED]] <dt>SQLITE_STATUS_SCRATCH_USED</dt>
** <dd>No longer used.</dd>
**
** [[SQLITE_STATUS_SCRATCH_OVERFLOW]] ^(<dt>SQLITE_STATUS_SCRATCH_OVERFLOW</dt>
................................................................................
**
** <dl>
** [[SQLITE_DBSTATUS_LOOKASIDE_USED]] ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_USED</dt>
** <dd>This parameter returns the number of lookaside memory slots currently
** checked out.</dd>)^
**
** [[SQLITE_DBSTATUS_LOOKASIDE_HIT]] ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_HIT</dt>
** <dd>This parameter returns the number malloc attempts that were 
** satisfied using lookaside memory. Only the high-water value is meaningful;
** the current value is always zero.)^
**
** [[SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE]]
** ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE</dt>
** <dd>This parameter returns the number malloc attempts that might have
** been satisfied using lookaside memory but failed due to the amount of
................................................................................
**
** [[SQLITE_DBSTATUS_CACHE_SPILL]] ^(<dt>SQLITE_DBSTATUS_CACHE_SPILL</dt>
** <dd>This parameter returns the number of dirty cache entries that have
** been written to disk in the middle of a transaction due to the page
** cache overflowing. Transactions are more efficient if they are written
** to disk all at once. When pages spill mid-transaction, that introduces
** additional overhead. This parameter can be used help identify
** inefficiencies that can be resolve by increasing the cache size.
** </dd>
**
** [[SQLITE_DBSTATUS_DEFERRED_FKS]] ^(<dt>SQLITE_DBSTATUS_DEFERRED_FKS</dt>
** <dd>This parameter returns zero for the current value if and only if
** all foreign key constraints (deferred or immediate) have been
** resolved.)^  ^The highwater mark is always 0.
** </dd>
................................................................................
** to 2147483647.  The number of virtual machine operations can be 
** used as a proxy for the total work done by the prepared statement.
** If the number of virtual machine operations exceeds 2147483647
** then the value returned by this statement status code is undefined.
**
** [[SQLITE_STMTSTATUS_REPREPARE]] <dt>SQLITE_STMTSTATUS_REPREPARE</dt>
** <dd>^This is the number of times that the prepare statement has been
** automatically regenerated due to schema changes or change to 
** [bound parameters] that might affect the query plan.
**
** [[SQLITE_STMTSTATUS_RUN]] <dt>SQLITE_STMTSTATUS_RUN</dt>
** <dd>^This is the number of times that the prepared statement has
** been run.  A single "run" for the purposes of this counter is one
** or more calls to [sqlite3_step()] followed by a call to [sqlite3_reset()].
** The counter is incremented on the first [sqlite3_step()] call of each
................................................................................
**                 Otherwise return NULL.
** <tr><td> 2 <td> Make every effort to allocate a new page.  Only return
**                 NULL if allocating a new page is effectively impossible.
** </table>
**
** ^(SQLite will normally invoke xFetch() with a createFlag of 0 or 1.  SQLite
** will only use a createFlag of 2 after a prior call with a createFlag of 1
** failed.)^  In between the to xFetch() calls, SQLite may
** attempt to unpin one or more cache pages by spilling the content of
** pinned pages to disk and synching the operating system disk cache.
**
** [[the xUnpin() page cache method]]
** ^xUnpin() is called by SQLite with a pointer to a currently pinned page
** as its second argument.  If the third parameter, discard, is non-zero,
** then the page must be evicted from the cache.
................................................................................
** identity of the database connection (the blocking connection) that
** has locked the required resource is stored internally. ^After an 
** application receives an SQLITE_LOCKED error, it may call the
** sqlite3_unlock_notify() method with the blocked connection handle as 
** the first argument to register for a callback that will be invoked
** when the blocking connections current transaction is concluded. ^The
** callback is invoked from within the [sqlite3_step] or [sqlite3_close]
** call that concludes the blocking connections transaction.
**
** ^(If sqlite3_unlock_notify() is called in a multi-threaded application,
** there is a chance that the blocking connection will have already
** concluded its transaction by the time sqlite3_unlock_notify() is invoked.
** If this happens, then the specified callback is invoked immediately,
** from within the call to sqlite3_unlock_notify().)^
**
................................................................................
** When an unlock-notify callback is registered, the application provides a 
** single void* pointer that is passed to the callback when it is invoked.
** However, the signature of the callback function allows SQLite to pass
** it an array of void* context pointers. The first argument passed to
** an unlock-notify callback is a pointer to an array of void* pointers,
** and the second is the number of entries in the array.
**
** When a blocking connections transaction is concluded, there may be
** more than one blocked connection that has registered for an unlock-notify
** callback. ^If two or more such blocked connections have specified the
** same callback function, then instead of invoking the callback function
** multiple times, it is invoked once with the set of void* context pointers
** specified by the blocked connections bundled together into an array.
** This gives the application an opportunity to prioritize any actions 
** related to the set of unblocked database connections.
................................................................................
** This function may be called by either the [xConnect] or [xCreate] method
** of a [virtual table] implementation to configure
** various facets of the virtual table interface.
**
** If this interface is invoked outside the context of an xConnect or
** xCreate virtual table method then the behavior is undefined.
**
** At present, there is only one option that may be configured using
** this function. (See [SQLITE_VTAB_CONSTRAINT_SUPPORT].)  Further options
** may be added in the future.




*/
SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...);

/*
** CAPI3REF: Virtual Table Configuration Options


**
** These macros define the various options to the
** [sqlite3_vtab_config()] interface that [virtual table] implementations
** can use to customize and optimize their behavior.
**
** <dl>
** [[SQLITE_VTAB_CONSTRAINT_SUPPORT]]
** <dt>SQLITE_VTAB_CONSTRAINT_SUPPORT
** <dd>Calls of the form
** [sqlite3_vtab_config](db,SQLITE_VTAB_CONSTRAINT_SUPPORT,X) are supported,
** where X is an integer.  If X is zero, then the [virtual table] whose
** [xCreate] or [xConnect] method invoked [sqlite3_vtab_config()] does not
** support constraints.  In this configuration (which is the default) if
** a call to the [xUpdate] method returns [SQLITE_CONSTRAINT], then the entire
** statement is rolled back as if [ON CONFLICT | OR ABORT] had been
................................................................................
** must do so within the [xUpdate] method. If a call to the 
** [sqlite3_vtab_on_conflict()] function indicates that the current ON 
** CONFLICT policy is REPLACE, the virtual table implementation should 
** silently replace the appropriate rows within the xUpdate callback and
** return SQLITE_OK. Or, if this is not possible, it may return
** SQLITE_CONSTRAINT, in which case SQLite falls back to OR ABORT 
** constraint handling.




















** </dl>
*/
#define SQLITE_VTAB_CONSTRAINT_SUPPORT 1



/*
** CAPI3REF: Determine The Virtual Table Conflict Policy
**
** This function may only be called from within a call to the [xUpdate] method
** of a [virtual table] implementation for an INSERT or UPDATE operation. ^The
** value returned is one of [SQLITE_ROLLBACK], [SQLITE_IGNORE], [SQLITE_FAIL],
................................................................................
**
** When the value returned to V is a string, space to hold that string is
** managed by the prepared statement S and will be automatically freed when
** S is finalized.
**
** <dl>
** [[SQLITE_SCANSTAT_NLOOP]] <dt>SQLITE_SCANSTAT_NLOOP</dt>
** <dd>^The [sqlite3_int64] variable pointed to by the T parameter will be
** set to the total number of times that the X-th loop has run.</dd>
**
** [[SQLITE_SCANSTAT_NVISIT]] <dt>SQLITE_SCANSTAT_NVISIT</dt>
** <dd>^The [sqlite3_int64] variable pointed to by the T parameter will be set
** to the total number of rows examined by all iterations of the X-th loop.</dd>
**
** [[SQLITE_SCANSTAT_EST]] <dt>SQLITE_SCANSTAT_EST</dt>
** <dd>^The "double" variable pointed to by the T parameter will be set to the
** query planner's estimate for the average number of rows output from each
** iteration of the X-th loop.  If the query planner's estimates was accurate,
** then this value will approximate the quotient NVISIT/NLOOP and the
** product of this value for all prior loops with the same SELECTID will
** be the NLOOP value for the current loop.
**
** [[SQLITE_SCANSTAT_NAME]] <dt>SQLITE_SCANSTAT_NAME</dt>
** <dd>^The "const char *" variable pointed to by the T parameter will be set
** to a zero-terminated UTF-8 string containing the name of the index or table
** used for the X-th loop.
**
** [[SQLITE_SCANSTAT_EXPLAIN]] <dt>SQLITE_SCANSTAT_EXPLAIN</dt>
** <dd>^The "const char *" variable pointed to by the T parameter will be set
** to a zero-terminated UTF-8 string containing the [EXPLAIN QUERY PLAN]
** description for the X-th loop.
**
** [[SQLITE_SCANSTAT_SELECTID]] <dt>SQLITE_SCANSTAT_SELECT</dt>
** <dd>^The "int" variable pointed to by the T parameter will be set to the
** "select-id" for the X-th loop.  The select-id identifies which query or
** subquery the loop is part of.  The main query has a select-id of zero.
** The select-id is the same value as is output in the first column
** of an [EXPLAIN QUERY PLAN] query.
** </dl>
*/
#define SQLITE_SCANSTAT_NLOOP    0
................................................................................
/*
** CAPI3REF: Set a table filter on a Session Object.
** METHOD: sqlite3_session
**
** The second argument (xFilter) is the "filter callback". For changes to rows 
** in tables that are not attached to the Session object, the filter is called
** to determine whether changes to the table's rows should be tracked or not. 
** If xFilter returns 0, changes is not tracked. Note that once a table is 
** attached, xFilter will not be called again.
*/
SQLITE_API void sqlite3session_table_filter(
  sqlite3_session *pSession,      /* Session object */
  int(*xFilter)(
    void *pCtx,                   /* Copy of third arg to _filter_table() */
    const char *zTab              /* Table name */
................................................................................
** using [sqlite3session_changeset()], then after applying that changeset to 
** database zFrom the contents of the two compatible tables would be 
** identical.
**
** It an error if database zFrom does not exist or does not contain the
** required compatible table.
**
** If the operation successful, SQLITE_OK is returned. Otherwise, an SQLite
** error code. In this case, if argument pzErrMsg is not NULL, *pzErrMsg
** may be set to point to a buffer containing an English language error 
** message. It is the responsibility of the caller to free this buffer using
** sqlite3_free().
*/
SQLITE_API int sqlite3session_diff(
  sqlite3_session *pSession,
................................................................................
#define SQLITE_CHANGESETSTART_INVERT        0x0002


/*
** CAPI3REF: Advance A Changeset Iterator
** METHOD: sqlite3_changeset_iter
**
** This function may only be used with iterators created by function
** [sqlite3changeset_start()]. If it is called on an iterator passed to
** a conflict-handler callback by [sqlite3changeset_apply()], SQLITE_MISUSE
** is returned and the call has no effect.
**
** Immediately after an iterator is created by sqlite3changeset_start(), it
** does not point to any change in the changeset. Assuming the changeset
** is not empty, the first call to this function advances the iterator to
................................................................................
**
** If the new changeset contains changes to a table that is already present
** in the changegroup, then the number of columns and the position of the
** primary key columns for the table must be consistent. If this is not the
** case, this function fails with SQLITE_SCHEMA. If the input changeset
** appears to be corrupt and the corruption is detected, SQLITE_CORRUPT is
** returned. Or, if an out-of-memory condition occurs during processing, this
** function returns SQLITE_NOMEM. In all cases, if an error occurs the
** final contents of the changegroup is undefined.
**
** If no error occurs, SQLITE_OK is returned.
*/
SQLITE_API int sqlite3changegroup_add(sqlite3_changegroup*, int nData, void *pData);

/*
** CAPI3REF: Obtain A Composite Changeset From A Changegroup
................................................................................
**   This includes the case where the UPDATE operation is attempted after 
**   an earlier call to the conflict handler function returned
**   [SQLITE_CHANGESET_REPLACE].  
** </dl>
**
** It is safe to execute SQL statements, including those that write to the
** table that the callback related to, from within the xConflict callback.
** This can be used to further customize the applications conflict
** resolution strategy.
**
** All changes made by these functions are enclosed in a savepoint transaction.
** If any other error (aside from a constraint failure when attempting to
** write to the target database) occurs, then the savepoint transaction is
** rolled back, restoring the target database to its original state, and an 
** SQLite error code returned.
................................................................................

/*
** CAPI3REF: Rebase a changeset
** EXPERIMENTAL
**
** Argument pIn must point to a buffer containing a changeset nIn bytes
** in size. This function allocates and populates a buffer with a copy
** of the changeset rebased rebased according to the configuration of the
** rebaser object passed as the first argument. If successful, (*ppOut)
** is set to point to the new buffer containing the rebased changeset and 
** (*pnOut) to its size in bytes and SQLITE_OK returned. It is the
** responsibility of the caller to eventually free the new buffer using
** sqlite3_free(). Otherwise, if an error occurs, (*ppOut) and (*pnOut)
** are set to zero and an SQLite error code returned.
*/
................................................................................
**   If the query runs to completion without incident, SQLITE_OK is returned.
**   Or, if some error occurs before the query completes or is aborted by
**   the callback, an SQLite error code is returned.
**
**
** xSetAuxdata(pFts5, pAux, xDelete)
**
**   Save the pointer passed as the second argument as the extension functions 
**   "auxiliary data". The pointer may then be retrieved by the current or any
**   future invocation of the same fts5 extension function made as part of
**   the same MATCH query using the xGetAuxdata() API.
**
**   Each extension function is allocated a single auxiliary data slot for
**   each FTS query (MATCH expression). If the extension function is invoked 
**   more than once for a single FTS query, then all invocations share a 
................................................................................
**   of "first place" within the document set, but not alternative forms
**   such as "1st place". In some applications, it would be better to match
**   all instances of "first place" or "1st place" regardless of which form
**   the user specified in the MATCH query text.
**
**   There are several ways to approach this in FTS5:
**
**   <ol><li> By mapping all synonyms to a single token. In this case, the 
**            In the above example, this means that the tokenizer returns the
**            same token for inputs "first" and "1st". Say that token is in
**            fact "first", so that when the user inserts the document "I won
**            1st place" entries are added to the index for tokens "i", "won",
**            "first" and "place". If the user then queries for '1st + place',
**            the tokenizer substitutes "first" for "1st" and the query works
**            as expected.
**







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** been edited in any way since it was last checked in, then the last
** four hexadecimal digits of the hash may be modified.
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.31.0"
#define SQLITE_VERSION_NUMBER 3031000
#define SQLITE_SOURCE_ID      "2020-01-23 15:00:18 14331989fcaf6591336290ed1548e9c90f0f153e27f456f4c30c966f9c23aa6e"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
#define SQLITE_BUSY_RECOVERY           (SQLITE_BUSY   |  (1<<8))
#define SQLITE_BUSY_SNAPSHOT           (SQLITE_BUSY   |  (2<<8))
#define SQLITE_CANTOPEN_NOTEMPDIR      (SQLITE_CANTOPEN | (1<<8))
#define SQLITE_CANTOPEN_ISDIR          (SQLITE_CANTOPEN | (2<<8))
#define SQLITE_CANTOPEN_FULLPATH       (SQLITE_CANTOPEN | (3<<8))
#define SQLITE_CANTOPEN_CONVPATH       (SQLITE_CANTOPEN | (4<<8))
#define SQLITE_CANTOPEN_DIRTYWAL       (SQLITE_CANTOPEN | (5<<8)) /* Not Used */
#define SQLITE_CANTOPEN_SYMLINK        (SQLITE_CANTOPEN | (6<<8))
#define SQLITE_CORRUPT_VTAB            (SQLITE_CORRUPT | (1<<8))
#define SQLITE_CORRUPT_SEQUENCE        (SQLITE_CORRUPT | (2<<8))
#define SQLITE_READONLY_RECOVERY       (SQLITE_READONLY | (1<<8))
#define SQLITE_READONLY_CANTLOCK       (SQLITE_READONLY | (2<<8))
#define SQLITE_READONLY_ROLLBACK       (SQLITE_READONLY | (3<<8))
#define SQLITE_READONLY_DBMOVED        (SQLITE_READONLY | (4<<8))
#define SQLITE_READONLY_CANTINIT       (SQLITE_READONLY | (5<<8))
................................................................................
#define SQLITE_CONSTRAINT_FUNCTION     (SQLITE_CONSTRAINT | (4<<8))
#define SQLITE_CONSTRAINT_NOTNULL      (SQLITE_CONSTRAINT | (5<<8))
#define SQLITE_CONSTRAINT_PRIMARYKEY   (SQLITE_CONSTRAINT | (6<<8))
#define SQLITE_CONSTRAINT_TRIGGER      (SQLITE_CONSTRAINT | (7<<8))
#define SQLITE_CONSTRAINT_UNIQUE       (SQLITE_CONSTRAINT | (8<<8))
#define SQLITE_CONSTRAINT_VTAB         (SQLITE_CONSTRAINT | (9<<8))
#define SQLITE_CONSTRAINT_ROWID        (SQLITE_CONSTRAINT |(10<<8))
#define SQLITE_CONSTRAINT_PINNED       (SQLITE_CONSTRAINT |(11<<8))
#define SQLITE_NOTICE_RECOVER_WAL      (SQLITE_NOTICE | (1<<8))
#define SQLITE_NOTICE_RECOVER_ROLLBACK (SQLITE_NOTICE | (2<<8))
#define SQLITE_WARNING_AUTOINDEX       (SQLITE_WARNING | (1<<8))
#define SQLITE_AUTH_USER               (SQLITE_AUTH | (1<<8))
#define SQLITE_OK_LOAD_PERMANENTLY     (SQLITE_OK | (1<<8))
#define SQLITE_OK_SYMLINK              (SQLITE_OK | (2<<8))

/*
** CAPI3REF: Flags For File Open Operations
**
** These bit values are intended for use in the
** 3rd parameter to the [sqlite3_open_v2()] interface and
** in the 4th parameter to the [sqlite3_vfs.xOpen] method.
................................................................................
#define SQLITE_OPEN_SUBJOURNAL       0x00002000  /* VFS only */
#define SQLITE_OPEN_MASTER_JOURNAL   0x00004000  /* VFS only */
#define SQLITE_OPEN_NOMUTEX          0x00008000  /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_FULLMUTEX        0x00010000  /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_SHAREDCACHE      0x00020000  /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_PRIVATECACHE     0x00040000  /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_WAL              0x00080000  /* VFS only */
#define SQLITE_OPEN_NOFOLLOW         0x01000000  /* Ok for sqlite3_open_v2() */

/* Reserved:                         0x00F00000 */

/*
** CAPI3REF: Device Characteristics
**
** The xDeviceCharacteristics method of the [sqlite3_io_methods]
................................................................................
** file control occurs at the beginning of pragma statement analysis and so
** it is able to override built-in [PRAGMA] statements.
**
** <li>[[SQLITE_FCNTL_BUSYHANDLER]]
** ^The [SQLITE_FCNTL_BUSYHANDLER]
** file-control may be invoked by SQLite on the database file handle
** shortly after it is opened in order to provide a custom VFS with access
** to the connection's busy-handler callback. The argument is of type (void**)
** - an array of two (void *) values. The first (void *) actually points
** to a function of type (int (*)(void *)). In order to invoke the connection's
** busy-handler, this function should be invoked with the second (void *) in
** the array as the only argument. If it returns non-zero, then the operation
** should be retried. If it returns zero, the custom VFS should abandon the
** current operation.
**
** <li>[[SQLITE_FCNTL_TEMPFILENAME]]
** ^Applications can invoke the [SQLITE_FCNTL_TEMPFILENAME] file-control
** to have SQLite generate a
** temporary filename using the same algorithm that is followed to generate
** temporary filenames for TEMP tables and other internal uses.  The
** argument should be a char** which will be filled with the filename
** written into memory obtained from [sqlite3_malloc()].  The caller should
** invoke [sqlite3_free()] on the result to avoid a memory leak.
**
................................................................................
** connection or through transactions committed by separate database
** connections possibly in other processes. The [sqlite3_total_changes()]
** interface can be used to find if any database on the connection has changed,
** but that interface responds to changes on TEMP as well as MAIN and does
** not provide a mechanism to detect changes to MAIN only.  Also, the
** [sqlite3_total_changes()] interface responds to internal changes only and
** omits changes made by other database connections.  The
** [PRAGMA data_version] command provides a mechanism to detect changes to
** a single attached database that occur due to other database connections,
** but omits changes implemented by the database connection on which it is
** called.  This file control is the only mechanism to detect changes that
** happen either internally or externally and that are associated with
** a particular attached database.
**
** <li>[[SQLITE_FCNTL_CKPT_DONE]]
** The [SQLITE_FCNTL_CKPT_DONE] opcode is invoked from within a checkpoint
** in wal mode after the client has finished copying pages from the wal
** file to the database file, but before the *-shm file is updated to
** record the fact that the pages have been checkpointed.
** </ul>
*/
#define SQLITE_FCNTL_LOCKSTATE               1
#define SQLITE_FCNTL_GET_LOCKPROXYFILE       2
#define SQLITE_FCNTL_SET_LOCKPROXYFILE       3
#define SQLITE_FCNTL_LAST_ERRNO              4
#define SQLITE_FCNTL_SIZE_HINT               5
................................................................................
#define SQLITE_FCNTL_PDB                    30
#define SQLITE_FCNTL_BEGIN_ATOMIC_WRITE     31
#define SQLITE_FCNTL_COMMIT_ATOMIC_WRITE    32
#define SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE  33
#define SQLITE_FCNTL_LOCK_TIMEOUT           34
#define SQLITE_FCNTL_DATA_VERSION           35
#define SQLITE_FCNTL_SIZE_LIMIT             36
#define SQLITE_FCNTL_CKPT_DONE              37

/* deprecated names */
#define SQLITE_GET_LOCKPROXYFILE      SQLITE_FCNTL_GET_LOCKPROXYFILE
#define SQLITE_SET_LOCKPROXYFILE      SQLITE_FCNTL_SET_LOCKPROXYFILE
#define SQLITE_LAST_ERRNO             SQLITE_FCNTL_LAST_ERRNO


................................................................................
** the end.  Each time such an extension occurs, the iVersion field
** is incremented.  The iVersion value started out as 1 in
** SQLite [version 3.5.0] on [dateof:3.5.0], then increased to 2
** with SQLite [version 3.7.0] on [dateof:3.7.0], and then increased
** to 3 with SQLite [version 3.7.6] on [dateof:3.7.6].  Additional fields
** may be appended to the sqlite3_vfs object and the iVersion value
** may increase again in future versions of SQLite.
** Note that due to an oversight, the structure
** of the sqlite3_vfs object changed in the transition from
** SQLite [version 3.5.9] to [version 3.6.0] on [dateof:3.6.0]
** and yet the iVersion field was not increased.
**
** The szOsFile field is the size of the subclassed [sqlite3_file]
** structure used by this VFS.  mxPathname is the maximum length of
** a pathname in this VFS.
**
** Registered sqlite3_vfs objects are kept on a linked list formed by
** the pNext pointer.  The [sqlite3_vfs_register()]
................................................................................
** API.  The SQLITE_OPEN_EXCLUSIVE flag, when paired with the 
** SQLITE_OPEN_CREATE, is used to indicate that file should always
** be created, and that it is an error if it already exists.
** It is <i>not</i> used to indicate the file should be opened 
** for exclusive access.
**
** ^At least szOsFile bytes of memory are allocated by SQLite
** to hold the [sqlite3_file] structure passed as the third
** argument to xOpen.  The xOpen method does not have to
** allocate the structure; it should just fill it in.  Note that
** the xOpen method must set the sqlite3_file.pMethods to either
** a valid [sqlite3_io_methods] object or to NULL.  xOpen must do
** this even if the open fails.  SQLite expects that the sqlite3_file.pMethods
** element will be valid after xOpen returns regardless of the success
** or failure of the xOpen call.
................................................................................
** allocators round up memory allocations at least to the next multiple
** of 8.  Some allocators round up to a larger multiple or to a power of 2.
** Every memory allocation request coming in through [sqlite3_malloc()]
** or [sqlite3_realloc()] first calls xRoundup.  If xRoundup returns 0, 
** that causes the corresponding memory allocation to fail.
**
** The xInit method initializes the memory allocator.  For example,
** it might allocate any required mutexes or initialize internal data
** structures.  The xShutdown method is invoked (indirectly) by
** [sqlite3_shutdown()] and should deallocate any resources acquired
** by xInit.  The pAppData pointer is used as the only parameter to
** xInit and xShutdown.
**
** SQLite holds the [SQLITE_MUTEX_STATIC_MASTER] mutex when it invokes
** the xInit method, so the xInit method need not be threadsafe.  The
................................................................................
**
** [[SQLITE_CONFIG_MEMSTATUS]] <dt>SQLITE_CONFIG_MEMSTATUS</dt>
** <dd> ^The SQLITE_CONFIG_MEMSTATUS option takes single argument of type int,
** interpreted as a boolean, which enables or disables the collection of
** memory allocation statistics. ^(When memory allocation statistics are
** disabled, the following SQLite interfaces become non-operational:
**   <ul>
**   <li> [sqlite3_hard_heap_limit64()]
**   <li> [sqlite3_memory_used()]
**   <li> [sqlite3_memory_highwater()]
**   <li> [sqlite3_soft_heap_limit64()]
**   <li> [sqlite3_status64()]
**   </ul>)^
** ^Memory allocation statistics are enabled by default unless SQLite is
** compiled with [SQLITE_DEFAULT_MEMSTATUS]=0 in which case memory
................................................................................
** <dd> The SQLITE_CONFIG_SCRATCH option is no longer used.
** </dd>
**
** [[SQLITE_CONFIG_PAGECACHE]] <dt>SQLITE_CONFIG_PAGECACHE</dt>
** <dd> ^The SQLITE_CONFIG_PAGECACHE option specifies a memory pool
** that SQLite can use for the database page cache with the default page
** cache implementation.  
** This configuration option is a no-op if an application-defined page
** cache implementation is loaded using the [SQLITE_CONFIG_PCACHE2].
** ^There are three arguments to SQLITE_CONFIG_PAGECACHE: A pointer to
** 8-byte aligned memory (pMem), the size of each page cache line (sz),
** and the number of cache lines (N).
** The sz argument should be the size of the largest database page
** (a power of two between 512 and 65536) plus some extra bytes for each
** page header.  ^The number of extra bytes needed by the page header
................................................................................
** additional information. This feature can also be turned on and off
** using the [PRAGMA legacy_alter_table] statement.
** </dd>
**
** [[SQLITE_DBCONFIG_DQS_DML]]
** <dt>SQLITE_DBCONFIG_DQS_DML</td>
** <dd>The SQLITE_DBCONFIG_DQS_DML option activates or deactivates
** the legacy [double-quoted string literal] misfeature for DML statements
** only, that is DELETE, INSERT, SELECT, and UPDATE statements. The
** default value of this setting is determined by the [-DSQLITE_DQS]
** compile-time option.
** </dd>
**
** [[SQLITE_DBCONFIG_DQS_DDL]]
** <dt>SQLITE_DBCONFIG_DQS_DDL</td>
** <dd>The SQLITE_DBCONFIG_DQS option activates or deactivates
** the legacy [double-quoted string literal] misfeature for DDL statements,
** such as CREATE TABLE and CREATE INDEX. The
** default value of this setting is determined by the [-DSQLITE_DQS]
** compile-time option.
** </dd>
**
** [[SQLITE_DBCONFIG_TRUSTED_SCHEMA]]
** <dt>SQLITE_DBCONFIG_TRUSTED_SCHEMA</td>
** <dd>The SQLITE_DBCONFIG_TRUSTED_SCHEMA option tells SQLite to
** assume that database schemas (the contents of the [sqlite_master] tables)
** are untainted by malicious content.
** When the SQLITE_DBCONFIG_TRUSTED_SCHEMA option is disabled, SQLite
** takes additional defensive steps to protect the application from harm
** including:
** <ul>
** <li> Prohibit the use of SQL functions inside triggers, views,
** CHECK constraints, DEFAULT clauses, expression indexes, 
** partial indexes, or generated columns
** unless those functions are tagged with [SQLITE_INNOCUOUS].
** <li> Prohibit the use of virtual tables inside of triggers or views
** unless those virtual tables are tagged with [SQLITE_VTAB_INNOCUOUS].
** </ul>
** This setting defaults to "on" for legacy compatibility, however
** all applications are advised to turn it off if possible. This setting
** can also be controlled using the [PRAGMA trusted_schema] statement.
** </dd>
**
** [[SQLITE_DBCONFIG_LEGACY_FILE_FORMAT]]
** <dt>SQLITE_DBCONFIG_LEGACY_FILE_FORMAT</td>
** <dd>The SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option activates or deactivates
** the legacy file format flag.  When activated, this flag causes all newly
** created database file to have a schema format version number (the 4-byte
** integer found at offset 44 into the database header) of 1.  This in turn
** means that the resulting database file will be readable and writable by
** any SQLite version back to 3.0.0 ([dateof:3.0.0]).  Without this setting,
** newly created databases are generally not understandable by SQLite versions
** prior to 3.3.0 ([dateof:3.3.0]).  As these words are written, there
** is now scarcely any need to generated database files that are compatible 
** all the way back to version 3.0.0, and so this setting is of little
** practical use, but is provided so that SQLite can continue to claim the
** ability to generate new database files that are compatible with  version
** 3.0.0.
** <p>Note that when the SQLITE_DBCONFIG_LEGACY_FILE_FORMAT setting is on,
** the [VACUUM] command will fail with an obscure error when attempting to
** process a table with generated columns and a descending index.  This is
** not considered a bug since SQLite versions 3.3.0 and earlier do not support
** either generated columns or decending indexes.
** </dd>
** </dl>
*/
#define SQLITE_DBCONFIG_MAINDBNAME            1000 /* const char* */
#define SQLITE_DBCONFIG_LOOKASIDE             1001 /* void* int int */
#define SQLITE_DBCONFIG_ENABLE_FKEY           1002 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_TRIGGER        1003 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER 1004 /* int int* */
................................................................................
#define SQLITE_DBCONFIG_RESET_DATABASE        1009 /* int int* */
#define SQLITE_DBCONFIG_DEFENSIVE             1010 /* int int* */
#define SQLITE_DBCONFIG_WRITABLE_SCHEMA       1011 /* int int* */
#define SQLITE_DBCONFIG_LEGACY_ALTER_TABLE    1012 /* int int* */
#define SQLITE_DBCONFIG_DQS_DML               1013 /* int int* */
#define SQLITE_DBCONFIG_DQS_DDL               1014 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_VIEW           1015 /* int int* */
#define SQLITE_DBCONFIG_LEGACY_FILE_FORMAT    1016 /* int int* */
#define SQLITE_DBCONFIG_TRUSTED_SCHEMA        1017 /* int int* */
#define SQLITE_DBCONFIG_MAX                   1017 /* Largest DBCONFIG */

/*
** CAPI3REF: Enable Or Disable Extended Result Codes
** METHOD: sqlite3
**
** ^The sqlite3_extended_result_codes() routine enables or disables the
** [extended result codes] feature of SQLite. ^The extended result
................................................................................
** ^If the interrupted SQL operation is an INSERT, UPDATE, or DELETE
** that is inside an explicit transaction, then the entire transaction
** will be rolled back automatically.
**
** ^The sqlite3_interrupt(D) call is in effect until all currently running
** SQL statements on [database connection] D complete.  ^Any new SQL statements
** that are started after the sqlite3_interrupt() call and before the 
** running statement count reaches zero are interrupted as if they had been
** running prior to the sqlite3_interrupt() call.  ^New SQL statements
** that are started after the running statement count reaches zero are
** not effected by the sqlite3_interrupt().
** ^A call to sqlite3_interrupt(D) that occurs when there are no running
** SQL statements is a no-op and has no effect on SQL statements
** that are started after the sqlite3_interrupt() call returns.
*/
................................................................................
**        Name        | Age
**        -----------------------
**        Alice       | 43
**        Bob         | 28
**        Cindy       | 21
** </pre></blockquote>
**
** There are two columns (M==2) and three rows (N==3).  Thus the
** result table has 8 entries.  Suppose the result table is stored
** in an array named azResult.  Then azResult holds this content:
**
** <blockquote><pre>
**        azResult&#91;0] = "Name";
**        azResult&#91;1] = "Age";
**        azResult&#91;2] = "Alice";
**        azResult&#91;3] = "43";
**        azResult&#91;4] = "Bob";
................................................................................
SQLITE_API char *sqlite3_vsnprintf(int,char*,const char*, va_list);

/*
** CAPI3REF: Memory Allocation Subsystem
**
** The SQLite core uses these three routines for all of its own
** internal memory allocation needs. "Core" in the previous sentence
** does not include operating-system specific [VFS] implementation.  The
** Windows VFS uses native malloc() and free() for some operations.
**
** ^The sqlite3_malloc() routine returns a pointer to a block
** of memory at least N bytes in length, where N is the parameter.
** ^If sqlite3_malloc() is unable to obtain sufficient free
** memory, it returns a NULL pointer.  ^If the parameter N to
** sqlite3_malloc() is zero or negative then sqlite3_malloc() returns
................................................................................
**
** ^The memory returned by sqlite3_malloc(), sqlite3_realloc(),
** sqlite3_malloc64(), and sqlite3_realloc64()
** is always aligned to at least an 8 byte boundary, or to a
** 4 byte boundary if the [SQLITE_4_BYTE_ALIGNED_MALLOC] compile-time
** option is used.
**













** The pointer arguments to [sqlite3_free()] and [sqlite3_realloc()]
** must be either NULL or else pointers obtained from a prior
** invocation of [sqlite3_malloc()] or [sqlite3_realloc()] that have
** not yet been released.
**
** The application must not read or write any part of
** a block of memory after it has been released using
................................................................................

/*
** CAPI3REF: Pseudo-Random Number Generator
**
** SQLite contains a high-quality pseudo-random number generator (PRNG) used to
** select random [ROWID | ROWIDs] when inserting new records into a table that
** already uses the largest possible [ROWID].  The PRNG is also used for
** the built-in random() and randomblob() SQL functions.  This interface allows
** applications to access the same PRNG for other purposes.
**
** ^A call to this routine stores N bytes of randomness into buffer P.
** ^The P parameter can be a NULL pointer.
**
** ^If this routine has not been previously called or if the previous
** call had N less than one or a NULL pointer for P, then the PRNG is
................................................................................
** Whether or not an error occurs when it is opened, resources
** associated with the [database connection] handle should be released by
** passing it to [sqlite3_close()] when it is no longer required.
**
** The sqlite3_open_v2() interface works like sqlite3_open()
** except that it accepts two additional parameters for additional control
** over the new database connection.  ^(The flags parameter to
** sqlite3_open_v2() must include, at a minimum, one of the following
** three flag combinations:)^


**
** <dl>
** ^(<dt>[SQLITE_OPEN_READONLY]</dt>
** <dd>The database is opened in read-only mode.  If the database does not
** already exist, an error is returned.</dd>)^
**
** ^(<dt>[SQLITE_OPEN_READWRITE]</dt>
................................................................................
** case the database must already exist, otherwise an error is returned.</dd>)^
**
** ^(<dt>[SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]</dt>
** <dd>The database is opened for reading and writing, and is created if
** it does not already exist. This is the behavior that is always used for
** sqlite3_open() and sqlite3_open16().</dd>)^
** </dl>
**
** In addition to the required flags, the following optional flags are
** also supported:
**
** <dl>
** ^(<dt>[SQLITE_OPEN_URI]</dt>
** <dd>The filename can be interpreted as a URI if this flag is set.</dd>)^
**
** ^(<dt>[SQLITE_OPEN_MEMORY]</dt>
** <dd>The database will be opened as an in-memory database.  The database
** is named by the "filename" argument for the purposes of cache-sharing,
** if shared cache mode is enabled, but the "filename" is otherwise ignored.
** </dd>)^
**
** ^(<dt>[SQLITE_OPEN_NOMUTEX]</dt>
** <dd>The new database connection will use the "multi-thread"
** [threading mode].)^  This means that separate threads are allowed
** to use SQLite at the same time, as long as each thread is using
** a different [database connection].
**
** ^(<dt>[SQLITE_OPEN_FULLMUTEX]</dt>
** <dd>The new database connection will use the "serialized"
** [threading mode].)^  This means the multiple threads can safely
** attempt to use the same database connection at the same time.
** (Mutexes will block any actual concurrency, but in this mode
** there is no harm in trying.)
**
** ^(<dt>[SQLITE_OPEN_SHAREDCACHE]</dt>
** <dd>The database is opened [shared cache] enabled, overriding
** the default shared cache setting provided by
** [sqlite3_enable_shared_cache()].)^
**
** ^(<dt>[SQLITE_OPEN_PRIVATECACHE]</dt>
** <dd>The database is opened [shared cache] disabled, overriding
** the default shared cache setting provided by
** [sqlite3_enable_shared_cache()].)^
**
** [[OPEN_NOFOLLOW]] ^(<dt>[SQLITE_OPEN_NOFOLLOW]</dt>
** <dd>The database filename is not allowed to be a symbolic link</dd>
** </dl>)^
**
** If the 3rd parameter to sqlite3_open_v2() is not one of the
** required combinations shown above optionally combined with other
** [SQLITE_OPEN_READONLY | SQLITE_OPEN_* bits]
** then the behavior is undefined.
**












** ^The fourth parameter to sqlite3_open_v2() is the name of the
** [sqlite3_vfs] object that defines the operating system interface that
** the new database connection should use.  ^If the fourth parameter is
** a NULL pointer then the default [sqlite3_vfs] object is used.
**
** ^If the filename is ":memory:", then a private, temporary in-memory database
** is created for the connection.  ^This in-memory database will vanish when
................................................................................
  int flags,              /* Flags */
  const char *zVfs        /* Name of VFS module to use */
);

/*
** CAPI3REF: Obtain Values For URI Parameters
**
** These are utility routines, useful to [VFS|custom VFS implementations],
** that check if a database file was a URI that contained a specific query 
** parameter, and if so obtains the value of that query parameter.
**
** If F is the database filename pointer passed into the xOpen() method of 
** a VFS implementation or it is the return value of [sqlite3_db_filename()]

** and if P is the name of the query parameter, then
** sqlite3_uri_parameter(F,P) returns the value of the P
** parameter if it exists or a NULL pointer if P does not appear as a 
** query parameter on F.  If P is a query parameter of F and it
** has no explicit value, then sqlite3_uri_parameter(F,P) returns
** a pointer to an empty string.
**
** The sqlite3_uri_boolean(F,P,B) routine assumes that P is a boolean
** parameter and returns true (1) or false (0) according to the value
** of P.  The sqlite3_uri_boolean(F,P,B) routine returns true (1) if the
** value of query parameter P is one of "yes", "true", or "on" in any
** case or if the value begins with a non-zero number.  The 
** sqlite3_uri_boolean(F,P,B) routines returns false (0) if the value of
** query parameter P is one of "no", "false", or "off" in any case or
** if the value begins with a numeric zero.  If P is not a query
** parameter on F or if the value of P does not match any of the
** above, then sqlite3_uri_boolean(F,P,B) returns (B!=0).
**
** The sqlite3_uri_int64(F,P,D) routine converts the value of P into a
** 64-bit signed integer and returns that integer, or D if P does not
** exist.  If the value of P is something other than an integer, then
** zero is returned.
**
** The sqlite3_uri_key(F,N) returns a pointer to the name (not
** the value) of the N-th query parameter for filename F, or a NULL
** pointer if N is less than zero or greater than the number of query
** parameters minus 1.  The N value is zero-based so N should be 0 to obtain
** the name of the first query parameter, 1 for the second parameter, and
** so forth.
** 
** If F is a NULL pointer, then sqlite3_uri_parameter(F,P) returns NULL and
** sqlite3_uri_boolean(F,P,B) returns B.  If F is not a NULL pointer and
** is not a database file pathname pointer that the SQLite core passed
** into the xOpen VFS method, then the behavior of this routine is undefined
** and probably undesirable.
**
** Beginning with SQLite [version 3.31.0] ([dateof:3.31.0]) the input F
** parameter can also be the name of a rollback journal file or WAL file
** in addition to the main database file.  Prior to version 3.31.0, these
** routines would only work if F was the name of the main database file.
** When the F parameter is the name of the rollback journal or WAL file,
** it has access to all the same query parameters as were found on the
** main database file.
**
** See the [URI filename] documentation for additional information.
*/
SQLITE_API const char *sqlite3_uri_parameter(const char *zFilename, const char *zParam);
SQLITE_API int sqlite3_uri_boolean(const char *zFile, const char *zParam, int bDefault);
SQLITE_API sqlite3_int64 sqlite3_uri_int64(const char*, const char*, sqlite3_int64);
SQLITE_API const char *sqlite3_uri_key(const char *zFilename, int N);

/*
** CAPI3REF:  Translate filenames
**
** These routines are available to [VFS|custom VFS implementations] for
** translating filenames between the main database file, the journal file,
** and the WAL file.
**
** If F is the name of an sqlite database file, journal file, or WAL file
** passed by the SQLite core into the VFS, then sqlite3_filename_database(F)
** returns the name of the corresponding database file.
**
** If F is the name of an sqlite database file, journal file, or WAL file
** passed by the SQLite core into the VFS, or if F is a database filename
** obtained from [sqlite3_db_filename()], then sqlite3_filename_journal(F)
** returns the name of the corresponding rollback journal file.
**
** If F is the name of an sqlite database file, journal file, or WAL file
** that was passed by the SQLite core into the VFS, or if F is a database
** filename obtained from [sqlite3_db_filename()], then
** sqlite3_filename_wal(F) returns the name of the corresponding
** WAL file.
**
** In all of the above, if F is not the name of a database, journal or WAL
** filename passed into the VFS from the SQLite core and F is not the
** return value from [sqlite3_db_filename()], then the result is
** undefined and is likely a memory access violation.
*/
SQLITE_API const char *sqlite3_filename_database(const char*);
SQLITE_API const char *sqlite3_filename_journal(const char*);
SQLITE_API const char *sqlite3_filename_wal(const char*);


/*
** CAPI3REF: Error Codes And Messages
** METHOD: sqlite3
**
** ^If the most recent sqlite3_* API call associated with 
................................................................................
** [sqlite3_step()] would only return a generic [SQLITE_ERROR] result code
** and the application would have to make a second call to [sqlite3_reset()]
** in order to find the underlying cause of the problem. With the "v2" prepare
** interfaces, the underlying reason for the error is returned immediately.
** </li>
**
** <li>
** ^If the specific value bound to a [parameter | host parameter] in the 
** WHERE clause might influence the choice of query plan for a statement,
** then the statement will be automatically recompiled, as if there had been 
** a schema change, on the first [sqlite3_step()] call following any change
** to the [sqlite3_bind_text | bindings] of that [parameter]. 
** ^The specific value of a WHERE-clause [parameter] might influence the 
** choice of query plan if the parameter is the left-hand side of a [LIKE]
** or [GLOB] operator or if the parameter is compared to an indexed column
** and the [SQLITE_ENABLE_STAT4] compile-time option is enabled.
** </li>
** </ol>
**
** <p>^sqlite3_prepare_v3() differs from sqlite3_prepare_v2() only in having
................................................................................
** ^The first argument to these interfaces is a [prepared statement].
** ^These functions return information about the Nth result column returned by
** the statement, where N is the second function argument.
** ^The left-most column is column 0 for these routines.
**
** ^If the Nth column returned by the statement is an expression or
** subquery and is not a column value, then all of these functions return
** NULL.  ^These routines might also return NULL if a memory allocation error
** occurs.  ^Otherwise, they return the name of the attached database, table,
** or column that query result column was extracted from.
**
** ^As with all other SQLite APIs, those whose names end with "16" return
** UTF-16 encoded strings and the other functions return UTF-8.
**
** ^These APIs are only available if the library was compiled with the
** [SQLITE_ENABLE_COLUMN_METADATA] C-preprocessor symbol.
**




** If two or more threads call one or more
** [sqlite3_column_database_name | column metadata interfaces]
** for the same [prepared statement] and result column
** at the same time then the results are undefined.
*/
SQLITE_API const char *sqlite3_column_database_name(sqlite3_stmt*,int);
SQLITE_API const void *sqlite3_column_database_name16(sqlite3_stmt*,int);
................................................................................
/*
** CAPI3REF: Number of columns in a result set
** METHOD: sqlite3_stmt
**
** ^The sqlite3_data_count(P) interface returns the number of columns in the
** current row of the result set of [prepared statement] P.
** ^If prepared statement P does not have results ready to return
** (via calls to the [sqlite3_column_int | sqlite3_column()] family of
** interfaces) then sqlite3_data_count(P) returns 0.
** ^The sqlite3_data_count(P) routine also returns 0 if P is a NULL pointer.
** ^The sqlite3_data_count(P) routine returns 0 if the previous call to
** [sqlite3_step](P) returned [SQLITE_DONE].  ^The sqlite3_data_count(P)
** will return non-zero if previous call to [sqlite3_step](P) returned
** [SQLITE_ROW], except in the case of the [PRAGMA incremental_vacuum]
** where it always returns zero since each step of that multi-step
................................................................................
** of any [sqlite3_bind_blob|bindings] on the [prepared statement] S.
*/
SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt);

/*
** CAPI3REF: Create Or Redefine SQL Functions
** KEYWORDS: {function creation routines}


** METHOD: sqlite3
**
** ^These functions (collectively known as "function creation routines")
** are used to add SQL functions or aggregates or to redefine the behavior
** of existing SQL functions or aggregates. The only differences between
** the three "sqlite3_create_function*" routines are the text encoding 
** expected for the second parameter (the name of the function being 
................................................................................
** deterministic.  The built-in [random()] SQL function is an example of a
** function that is not deterministic.  The SQLite query planner is able to
** perform additional optimizations on deterministic functions, so use
** of the [SQLITE_DETERMINISTIC] flag is recommended where possible.
**
** ^The fourth parameter may also optionally include the [SQLITE_DIRECTONLY]
** flag, which if present prevents the function from being invoked from
** within VIEWs, TRIGGERs, CHECK constraints, generated column expressions,
** index expressions, or the WHERE clause of partial indexes.
**
** <span style="background-color:#ffff90;">
** For best security, the [SQLITE_DIRECTONLY] flag is recommended for
** all application-defined SQL functions that do not need to be

** used inside of triggers, view, CHECK constraints, or other elements of
** the database schema.  This flags is especially recommended for SQL 
** functions that have side effects or reveal internal application state.
** Without this flag, an attacker might be able to modify the schema of
** a database file to include invocations of the function with parameters
** chosen by the attacker, which the application will then execute when
** the database file is opened and read.
** </span>
**
** ^(The fifth parameter is an arbitrary pointer.  The implementation of the
** function can gain access to this pointer using [sqlite3_user_data()].)^
**
** ^The sixth, seventh and eighth parameters passed to the three
** "sqlite3_create_function*" functions, xFunc, xStep and xFinal, are
** pointers to C-language functions that implement the SQL function or
................................................................................
** CAPI3REF: Function Flags
**
** These constants may be ORed together with the 
** [SQLITE_UTF8 | preferred text encoding] as the fourth argument
** to [sqlite3_create_function()], [sqlite3_create_function16()], or
** [sqlite3_create_function_v2()].
**
** <dl>
** [[SQLITE_DETERMINISTIC]] <dt>SQLITE_DETERMINISTIC</dt><dd>
** The SQLITE_DETERMINISTIC flag means that the new function always gives

** the same output when the input parameters are the same.
** The [abs|abs() function] is deterministic, for example, but
** [randomblob|randomblob()] is not.  Functions must
** be deterministic in order to be used in certain contexts such as
** with the WHERE clause of [partial indexes] or in [generated columns].
** SQLite might also optimize deterministic functions by factoring them
** out of inner loops.
** </dd>
** 
** [[SQLITE_DIRECTONLY]] <dt>SQLITE_DIRECTONLY</dt><dd>
** The SQLITE_DIRECTONLY flag means that the function may only be invoked
** from top-level SQL, and cannot be used in VIEWs or TRIGGERs nor in 
** schema structures such as [CHECK constraints], [DEFAULT clauses],
** [expression indexes], [partial indexes], or [generated columns].
** The SQLITE_DIRECTONLY flags is a security feature which is recommended
** for all [application-defined SQL functions], and especially for functions



** that have side-effects or that could potentially leak sensitive
** information.
** </dd>
**
** [[SQLITE_INNOCUOUS]] <dt>SQLITE_INNOCUOUS</dt><dd>
** The SQLITE_INNOCUOUS flag means that the function is unlikely
** to cause problems even if misused.  An innocuous function should have
** no side effects and should not depend on any values other than its
** input parameters. The [abs|abs() function] is an example of an
** innocuous function.
** The [load_extension() SQL function] is not innocuous because of its
** side effects.
** <p> SQLITE_INNOCUOUS is similar to SQLITE_DETERMINISTIC, but is not
** exactly the same.  The [random|random() function] is an example of a
** function that is innocuous but not deterministic.
** <p>Some heightened security settings
** ([SQLITE_DBCONFIG_TRUSTED_SCHEMA] and [PRAGMA trusted_schema=OFF])
** disable the use of SQL functions inside views and triggers and in
** schema structures such as [CHECK constraints], [DEFAULT clauses],
** [expression indexes], [partial indexes], and [generated columns] unless
** the function is tagged with SQLITE_INNOCUOUS.  Most built-in functions
** are innocuous.  Developers are advised to avoid using the
** SQLITE_INNOCUOUS flag for application-defined functions unless the
** function has been carefully audited and found to be free of potentially
** security-adverse side-effects and information-leaks.
** </dd>
**
** [[SQLITE_SUBTYPE]] <dt>SQLITE_SUBTYPE</dt><dd>
** The SQLITE_SUBTYPE flag indicates to SQLite that a function may call
** [sqlite3_value_subtype()] to inspect the sub-types of its arguments.
** Specifying this flag makes no difference for scalar or aggregate user
** functions. However, if it is not specified for a user-defined window
** function, then any sub-types belonging to arguments passed to the window
** function may be discarded before the window function is called (i.e.
** sqlite3_value_subtype() will always return 0).
** </dd>
** </dl>
*/
#define SQLITE_DETERMINISTIC    0x000000800
#define SQLITE_DIRECTONLY       0x000080000
#define SQLITE_SUBTYPE          0x000100000
#define SQLITE_INNOCUOUS        0x000200000

/*
** CAPI3REF: Deprecated Functions
** DEPRECATED
**
** These functions are [deprecated].  In order to maintain
** backwards compatibility with older code, these functions continue 
................................................................................
** <td>&rarr;&nbsp;&nbsp;<td>True if value originated from a [bound parameter]
** </table></blockquote>
**
** <b>Details:</b>
**
** These routines extract type, size, and content information from
** [protected sqlite3_value] objects.  Protected sqlite3_value objects
** are used to pass parameter information into the functions that
** implement [application-defined SQL functions] and [virtual tables].
**
** These routines work only with [protected sqlite3_value] objects.
** Any attempt to use these routines on an [unprotected sqlite3_value]
** is not threadsafe.
**
** ^These routines work just like the corresponding [column access functions]
** except that these routines take a single [protected sqlite3_value] object
................................................................................
** to be a NULL value.  If sqlite3_value_nochange(X) is invoked anywhere other
** than within an [xUpdate] method call for an UPDATE statement, then
** the return value is arbitrary and meaningless.
**
** ^The sqlite3_value_frombind(X) interface returns non-zero if the
** value X originated from one of the [sqlite3_bind_int|sqlite3_bind()]
** interfaces.  ^If X comes from an SQL literal value, or a table column,
** or an expression, then sqlite3_value_frombind(X) returns zero.
**
** Please pay particular attention to the fact that the pointer returned
** from [sqlite3_value_blob()], [sqlite3_value_text()], or
** [sqlite3_value_text16()] can be invalidated by a subsequent call to
** [sqlite3_value_bytes()], [sqlite3_value_bytes16()], [sqlite3_value_text()],
** or [sqlite3_value_text16()].
**
................................................................................
** CAPI3REF: Obtain Aggregate Function Context
** METHOD: sqlite3_context
**
** Implementations of aggregate SQL functions use this
** routine to allocate memory for storing their state.
**
** ^The first time the sqlite3_aggregate_context(C,N) routine is called 
** for a particular aggregate function, SQLite allocates
** N bytes of memory, zeroes out that memory, and returns a pointer
** to the new memory. ^On second and subsequent calls to
** sqlite3_aggregate_context() for the same aggregate function instance,
** the same buffer is returned.  Sqlite3_aggregate_context() is normally
** called once for each invocation of the xStep callback and then one
** last time when the xFinal callback is invoked.  ^(When no rows match
** an aggregate query, the xStep() callback of the aggregate function
** implementation is never called and xFinal() is called exactly once.
................................................................................
**
** ^The sqlite3_aggregate_context(C,N) routine returns a NULL pointer 
** when first called if N is less than or equal to zero or if a memory
** allocate error occurs.
**
** ^(The amount of space allocated by sqlite3_aggregate_context(C,N) is
** determined by the N parameter on first successful call.  Changing the
** value of N in any subsequents call to sqlite3_aggregate_context() within
** the same aggregate function instance will not resize the memory
** allocation.)^  Within the xFinal callback, it is customary to set
** N=0 in calls to sqlite3_aggregate_context(C,N) so that no 
** pointless memory allocations occur.
**
** ^SQLite automatically frees the memory allocated by 
** sqlite3_aggregate_context() when the aggregate query concludes.
................................................................................
** <li> [SQLITE_UTF8],
** <li> [SQLITE_UTF16LE],
** <li> [SQLITE_UTF16BE],
** <li> [SQLITE_UTF16], or
** <li> [SQLITE_UTF16_ALIGNED].
** </ul>)^
** ^The eTextRep argument determines the encoding of strings passed
** to the collating function callback, xCompare.
** ^The [SQLITE_UTF16] and [SQLITE_UTF16_ALIGNED] values for eTextRep
** force strings to be UTF16 with native byte order.
** ^The [SQLITE_UTF16_ALIGNED] value for eTextRep forces strings to begin
** on an even byte address.
**
** ^The fourth argument, pArg, is an application data pointer that is passed
** through as the first argument to the collating function callback.
**
** ^The fifth argument, xCompare, is a pointer to the collating function.
** ^Multiple collating functions can be registered using the same name but
** with different eTextRep parameters and SQLite will use whichever
** function requires the least amount of data transformation.
** ^If the xCompare argument is NULL then the collating function is
** deleted.  ^When all collating functions having the same name are deleted,
** that collation is no longer usable.
**
** ^The collating function callback is invoked with a copy of the pArg 
** application data pointer and with two strings in the encoding specified
** by the eTextRep argument.  The two integer parameters to the collating
** function callback are the length of the two strings, in bytes. The collating
** function must return an integer that is negative, zero, or positive
** if the first string is less than, equal to, or greater than the second,
** respectively.  A collating function must always return the same answer
** given the same inputs.  If two or more collating functions are registered
** to the same collation name (using different eTextRep values) then all
** must give an equivalent answer when invoked with equivalent strings.
** The collating function must obey the following properties for all
** strings A, B, and C:
................................................................................
** <li> If A==B then B==A.
** <li> If A==B and B==C then A==C.
** <li> If A&lt;B THEN B&gt;A.
** <li> If A&lt;B and B&lt;C then A&lt;C.
** </ol>
**
** If a collating function fails any of the above constraints and that
** collating function is registered and used, then the behavior of SQLite
** is undefined.
**
** ^The sqlite3_create_collation_v2() works like sqlite3_create_collation()
** with the addition that the xDestroy callback is invoked on pArg when
** the collating function is deleted.
** ^Collating functions are deleted when they are overridden by later
** calls to the collation creation functions or when the
................................................................................
*/
SQLITE_API sqlite3 *sqlite3_db_handle(sqlite3_stmt*);

/*
** CAPI3REF: Return The Filename For A Database Connection
** METHOD: sqlite3
**
** ^The sqlite3_db_filename(D,N) interface returns a pointer to the filename
** associated with database N of connection D.
** ^If there is no attached database N on the database
** connection D, or if database N is a temporary or in-memory database, then
** this function will return either a NULL pointer or an empty string.
**
** ^The string value returned by this routine is owned and managed by
** the database connection.  ^The value will be valid until the database N
** is [DETACH]-ed or until the database connection closes.
**
** ^The filename returned by this function is the output of the
** xFullPathname method of the [VFS].  ^In other words, the filename
** will be an absolute pathname, even if the filename used
** to open the database originally was a URI or relative pathname.
**
** If the filename pointer returned by this routine is not NULL, then it
** can be used as the filename input parameter to these routines:
** <ul>
** <li> [sqlite3_uri_parameter()]
** <li> [sqlite3_uri_boolean()]
** <li> [sqlite3_uri_int64()]
** <li> [sqlite3_filename_database()]
** <li> [sqlite3_filename_journal()]
** <li> [sqlite3_filename_wal()]
** </ul>
*/
SQLITE_API const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName);

/*
** CAPI3REF: Determine if a database is read-only
** METHOD: sqlite3
**
................................................................................
** ^Cache sharing is enabled and disabled for an entire process.
** This is a change as of SQLite [version 3.5.0] ([dateof:3.5.0]). 
** In prior versions of SQLite,
** sharing was enabled or disabled for each thread separately.
**
** ^(The cache sharing mode set by this interface effects all subsequent
** calls to [sqlite3_open()], [sqlite3_open_v2()], and [sqlite3_open16()].
** Existing database connections continue to use the sharing mode
** that was in effect at the time they were opened.)^
**
** ^(This routine returns [SQLITE_OK] if shared cache was enabled or disabled
** successfully.  An [error code] is returned otherwise.)^
**
** ^Shared cache is disabled by default. It is recommended that it stay
** that way.  In other words, do not use this routine.  This interface
** continues to be provided for historical compatibility, but its use is
** discouraged.  Any use of shared cache is discouraged.  If shared cache
** must be used, it is recommended that shared cache only be enabled for
** individual database connections using the [sqlite3_open_v2()] interface
** with the [SQLITE_OPEN_SHAREDCACHE] flag.
**
** Note: This method is disabled on MacOS X 10.7 and iOS version 5.0
** and will always return SQLITE_MISUSE. On those systems, 
** shared cache mode should be enabled per-database connection via 
** [sqlite3_open_v2()] with [SQLITE_OPEN_SHAREDCACHE].
**
** This interface is threadsafe on processors where writing a
................................................................................
**
** See also: [sqlite3_release_memory()]
*/
SQLITE_API int sqlite3_db_release_memory(sqlite3*);

/*
** CAPI3REF: Impose A Limit On Heap Size
**
** These interfaces impose limits on the amount of heap memory that will be
** by all database connections within a single process.
**
** ^The sqlite3_soft_heap_limit64() interface sets and/or queries the
** soft limit on the amount of heap memory that may be allocated by SQLite.
** ^SQLite strives to keep heap memory utilization below the soft heap
** limit by reducing the number of pages held in the page cache
** as heap memory usages approaches the limit.
** ^The soft heap limit is "soft" because even though SQLite strives to stay
** below the limit, it will exceed the limit rather than generate
** an [SQLITE_NOMEM] error.  In other words, the soft heap limit 
** is advisory only.
**
** ^The sqlite3_hard_heap_limit64(N) interface sets a hard upper bound of
** N bytes on the amount of memory that will be allocated.  ^The
** sqlite3_hard_heap_limit64(N) interface is similar to
** sqlite3_soft_heap_limit64(N) except that memory allocations will fail
** when the hard heap limit is reached.
**
** ^The return value from both sqlite3_soft_heap_limit64() and
** sqlite3_hard_heap_limit64() is the size of
** the heap limit prior to the call, or negative in the case of an
** error.  ^If the argument N is negative
** then no change is made to the heap limit.  Hence, the current
** size of heap limits can be determined by invoking
** sqlite3_soft_heap_limit64(-1) or sqlite3_hard_heap_limit(-1).
**

** ^Setting the heap limits to zero disables the heap limiter mechanism.
**
** ^The soft heap limit may not be greater than the hard heap limit.
** ^If the hard heap limit is enabled and if sqlite3_soft_heap_limit(N)
** is invoked with a value of N that is greater than the hard heap limit,
** the the soft heap limit is set to the value of the hard heap limit.
** ^The soft heap limit is automatically enabled whenever the hard heap
** limit is enabled. ^When sqlite3_hard_heap_limit64(N) is invoked and
** the soft heap limit is outside the range of 1..N, then the soft heap
** limit is set to N.  ^Invoking sqlite3_soft_heap_limit64(0) when the
** hard heap limit is enabled makes the soft heap limit equal to the
** hard heap limit.
**
** The memory allocation limits can also be adjusted using
** [PRAGMA soft_heap_limit] and [PRAGMA hard_heap_limit].
**
** ^(The heap limits are not enforced in the current implementation
** if one or more of following conditions are true:
**
** <ul>
** <li> The limit value is set to zero.
** <li> Memory accounting is disabled using a combination of the
**      [sqlite3_config]([SQLITE_CONFIG_MEMSTATUS],...) start-time option and
**      the [SQLITE_DEFAULT_MEMSTATUS] compile-time option.
** <li> An alternative page cache implementation is specified using
**      [sqlite3_config]([SQLITE_CONFIG_PCACHE2],...).
** <li> The page cache allocates from its own memory pool supplied
**      by [sqlite3_config]([SQLITE_CONFIG_PAGECACHE],...) rather than
**      from the heap.
** </ul>)^
**











** The circumstances under which SQLite will enforce the heap limits may
** changes in future releases of SQLite.
*/
SQLITE_API sqlite3_int64 sqlite3_soft_heap_limit64(sqlite3_int64 N);
SQLITE_API sqlite3_int64 sqlite3_hard_heap_limit64(sqlite3_int64 N);

/*
** CAPI3REF: Deprecated Soft Heap Limit Interface
** DEPRECATED
**
** This is a deprecated version of the [sqlite3_soft_heap_limit64()]
** interface.  This routine is provided for historical compatibility
................................................................................
**
** ^(The sqlite3_table_column_metadata(X,D,T,C,....) routine returns
** information about column C of table T in database D
** on [database connection] X.)^  ^The sqlite3_table_column_metadata()
** interface returns SQLITE_OK and fills in the non-NULL pointers in
** the final five arguments with appropriate values if the specified
** column exists.  ^The sqlite3_table_column_metadata() interface returns
** SQLITE_ERROR if the specified column does not exist.
** ^If the column-name parameter to sqlite3_table_column_metadata() is a
** NULL pointer, then this routine simply checks for the existence of the
** table and returns SQLITE_OK if the table exists and SQLITE_ERROR if it
** does not.  If the table name parameter T in a call to
** sqlite3_table_column_metadata(X,D,T,C,...) is NULL then the result is
** undefined behavior.
**
................................................................................
**
** ^This interface enables or disables both the C-API
** [sqlite3_load_extension()] and the SQL function [load_extension()].
** ^(Use [sqlite3_db_config](db,[SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION],..)
** to enable or disable only the C-API.)^
**
** <b>Security warning:</b> It is recommended that extension loading
** be enabled using the [SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION] method
** rather than this interface, so the [load_extension()] SQL function
** remains disabled. This will prevent SQL injections from giving attackers
** access to extension loading capabilities.
*/
SQLITE_API int sqlite3_enable_load_extension(sqlite3 *db, int onoff);

/*
................................................................................
typedef struct sqlite3_module sqlite3_module;

/*
** CAPI3REF: Virtual Table Object
** KEYWORDS: sqlite3_module {virtual table module}
**
** This structure, sometimes called a "virtual table module", 
** defines the implementation of a [virtual table].  
** This structure consists mostly of methods for the module.
**
** ^A virtual table module is created by filling in a persistent
** instance of this structure and passing a pointer to that instance
** to [sqlite3_create_module()] or [sqlite3_create_module_v2()].
** ^The registration remains valid until it is replaced by a different
** module or until the [database connection] closes.  The content
................................................................................
** non-zero.
**
** The [xBestIndex] method must fill aConstraintUsage[] with information
** about what parameters to pass to xFilter.  ^If argvIndex>0 then
** the right-hand side of the corresponding aConstraint[] is evaluated
** and becomes the argvIndex-th entry in argv.  ^(If aConstraintUsage[].omit
** is true, then the constraint is assumed to be fully handled by the
** virtual table and might not be checked again by the byte code.)^ ^(The
** aConstraintUsage[].omit flag is an optimization hint. When the omit flag
** is left in its default setting of false, the constraint will always be
** checked separately in byte code.  If the omit flag is change to true, then
** the constraint may or may not be checked in byte code.  In other words,
** when the omit flag is true there is no guarantee that the constraint will
** not be checked again using byte code.)^
**
** ^The idxNum and idxPtr values are recorded and passed into the
** [xFilter] method.
** ^[sqlite3_free()] is used to free idxPtr if and only if
** needToFreeIdxPtr is true.
**
** ^The orderByConsumed means that output from [xFilter]/[xNext] will occur in
................................................................................
** the xUpdate method are automatically rolled back by SQLite.
**
** IMPORTANT: The estimatedRows field was added to the sqlite3_index_info
** structure for SQLite [version 3.8.2] ([dateof:3.8.2]). 
** If a virtual table extension is
** used with an SQLite version earlier than 3.8.2, the results of attempting 
** to read or write the estimatedRows field are undefined (but are likely 
** to include crashing the application). The estimatedRows field should
** therefore only be used if [sqlite3_libversion_number()] returns a
** value greater than or equal to 3008002. Similarly, the idxFlags field
** was added for [version 3.9.0] ([dateof:3.9.0]). 
** It may therefore only be used if
** sqlite3_libversion_number() returns a value greater than or equal to
** 3009000.
*/
................................................................................
** these bits.
*/
#define SQLITE_INDEX_SCAN_UNIQUE      1     /* Scan visits at most 1 row */

/*
** CAPI3REF: Virtual Table Constraint Operator Codes
**
** These macros define the allowed values for the
** [sqlite3_index_info].aConstraint[].op field.  Each value represents
** an operator that is part of a constraint term in the wHERE clause of
** a query that uses a [virtual table].
*/
#define SQLITE_INDEX_CONSTRAINT_EQ         2
#define SQLITE_INDEX_CONSTRAINT_GT         4
#define SQLITE_INDEX_CONSTRAINT_LE         8
................................................................................
**   <li>  [sqlite3_mutex_held()] </li>
**   <li>  [sqlite3_mutex_notheld()] </li>
** </ul>)^
**
** The only difference is that the public sqlite3_XXX functions enumerated
** above silently ignore any invocations that pass a NULL pointer instead
** of a valid mutex handle. The implementations of the methods defined
** by this structure are not required to handle this case. The results
** of passing a NULL pointer instead of a valid mutex handle are undefined
** (i.e. it is acceptable to provide an implementation that segfaults if
** it is passed a NULL pointer).
**
** The xMutexInit() method must be threadsafe.  It must be harmless to
** invoke xMutexInit() multiple times within the same process and without
** intervening calls to xMutexEnd().  Second and subsequent calls to
................................................................................
** returned value includes allocations that overflowed because they
** where too large (they were larger than the "sz" parameter to
** [SQLITE_CONFIG_PAGECACHE]) and allocations that overflowed because
** no space was left in the page cache.</dd>)^
**
** [[SQLITE_STATUS_PAGECACHE_SIZE]] ^(<dt>SQLITE_STATUS_PAGECACHE_SIZE</dt>
** <dd>This parameter records the largest memory allocation request
** handed to the [pagecache memory allocator].  Only the value returned in the
** *pHighwater parameter to [sqlite3_status()] is of interest.  
** The value written into the *pCurrent parameter is undefined.</dd>)^
**
** [[SQLITE_STATUS_SCRATCH_USED]] <dt>SQLITE_STATUS_SCRATCH_USED</dt>
** <dd>No longer used.</dd>
**
** [[SQLITE_STATUS_SCRATCH_OVERFLOW]] ^(<dt>SQLITE_STATUS_SCRATCH_OVERFLOW</dt>
................................................................................
**
** <dl>
** [[SQLITE_DBSTATUS_LOOKASIDE_USED]] ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_USED</dt>
** <dd>This parameter returns the number of lookaside memory slots currently
** checked out.</dd>)^
**
** [[SQLITE_DBSTATUS_LOOKASIDE_HIT]] ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_HIT</dt>
** <dd>This parameter returns the number of malloc attempts that were 
** satisfied using lookaside memory. Only the high-water value is meaningful;
** the current value is always zero.)^
**
** [[SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE]]
** ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE</dt>
** <dd>This parameter returns the number malloc attempts that might have
** been satisfied using lookaside memory but failed due to the amount of
................................................................................
**
** [[SQLITE_DBSTATUS_CACHE_SPILL]] ^(<dt>SQLITE_DBSTATUS_CACHE_SPILL</dt>
** <dd>This parameter returns the number of dirty cache entries that have
** been written to disk in the middle of a transaction due to the page
** cache overflowing. Transactions are more efficient if they are written
** to disk all at once. When pages spill mid-transaction, that introduces
** additional overhead. This parameter can be used help identify
** inefficiencies that can be resolved by increasing the cache size.
** </dd>
**
** [[SQLITE_DBSTATUS_DEFERRED_FKS]] ^(<dt>SQLITE_DBSTATUS_DEFERRED_FKS</dt>
** <dd>This parameter returns zero for the current value if and only if
** all foreign key constraints (deferred or immediate) have been
** resolved.)^  ^The highwater mark is always 0.
** </dd>
................................................................................
** to 2147483647.  The number of virtual machine operations can be 
** used as a proxy for the total work done by the prepared statement.
** If the number of virtual machine operations exceeds 2147483647
** then the value returned by this statement status code is undefined.
**
** [[SQLITE_STMTSTATUS_REPREPARE]] <dt>SQLITE_STMTSTATUS_REPREPARE</dt>
** <dd>^This is the number of times that the prepare statement has been
** automatically regenerated due to schema changes or changes to 
** [bound parameters] that might affect the query plan.
**
** [[SQLITE_STMTSTATUS_RUN]] <dt>SQLITE_STMTSTATUS_RUN</dt>
** <dd>^This is the number of times that the prepared statement has
** been run.  A single "run" for the purposes of this counter is one
** or more calls to [sqlite3_step()] followed by a call to [sqlite3_reset()].
** The counter is incremented on the first [sqlite3_step()] call of each
................................................................................
**                 Otherwise return NULL.
** <tr><td> 2 <td> Make every effort to allocate a new page.  Only return
**                 NULL if allocating a new page is effectively impossible.
** </table>
**
** ^(SQLite will normally invoke xFetch() with a createFlag of 0 or 1.  SQLite
** will only use a createFlag of 2 after a prior call with a createFlag of 1
** failed.)^  In between the xFetch() calls, SQLite may
** attempt to unpin one or more cache pages by spilling the content of
** pinned pages to disk and synching the operating system disk cache.
**
** [[the xUnpin() page cache method]]
** ^xUnpin() is called by SQLite with a pointer to a currently pinned page
** as its second argument.  If the third parameter, discard, is non-zero,
** then the page must be evicted from the cache.
................................................................................
** identity of the database connection (the blocking connection) that
** has locked the required resource is stored internally. ^After an 
** application receives an SQLITE_LOCKED error, it may call the
** sqlite3_unlock_notify() method with the blocked connection handle as 
** the first argument to register for a callback that will be invoked
** when the blocking connections current transaction is concluded. ^The
** callback is invoked from within the [sqlite3_step] or [sqlite3_close]
** call that concludes the blocking connection's transaction.
**
** ^(If sqlite3_unlock_notify() is called in a multi-threaded application,
** there is a chance that the blocking connection will have already
** concluded its transaction by the time sqlite3_unlock_notify() is invoked.
** If this happens, then the specified callback is invoked immediately,
** from within the call to sqlite3_unlock_notify().)^
**
................................................................................
** When an unlock-notify callback is registered, the application provides a 
** single void* pointer that is passed to the callback when it is invoked.
** However, the signature of the callback function allows SQLite to pass
** it an array of void* context pointers. The first argument passed to
** an unlock-notify callback is a pointer to an array of void* pointers,
** and the second is the number of entries in the array.
**
** When a blocking connection's transaction is concluded, there may be
** more than one blocked connection that has registered for an unlock-notify
** callback. ^If two or more such blocked connections have specified the
** same callback function, then instead of invoking the callback function
** multiple times, it is invoked once with the set of void* context pointers
** specified by the blocked connections bundled together into an array.
** This gives the application an opportunity to prioritize any actions 
** related to the set of unblocked database connections.
................................................................................
** This function may be called by either the [xConnect] or [xCreate] method
** of a [virtual table] implementation to configure
** various facets of the virtual table interface.
**
** If this interface is invoked outside the context of an xConnect or
** xCreate virtual table method then the behavior is undefined.
**
** In the call sqlite3_vtab_config(D,C,...) the D parameter is the
** [database connection] in which the virtual table is being created and
** which is passed in as the first argument to the [xConnect] or [xCreate]
** method that is invoking sqlite3_vtab_config().  The C parameter is one
** of the [virtual table configuration options].  The presence and meaning
** of parameters after C depend on which [virtual table configuration option]
** is used.
*/
SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...);

/*
** CAPI3REF: Virtual Table Configuration Options
** KEYWORDS: {virtual table configuration options} 
** KEYWORDS: {virtual table configuration option}
**
** These macros define the various options to the
** [sqlite3_vtab_config()] interface that [virtual table] implementations
** can use to customize and optimize their behavior.
**
** <dl>
** [[SQLITE_VTAB_CONSTRAINT_SUPPORT]]
** <dt>SQLITE_VTAB_CONSTRAINT_SUPPORT</dt>
** <dd>Calls of the form
** [sqlite3_vtab_config](db,SQLITE_VTAB_CONSTRAINT_SUPPORT,X) are supported,
** where X is an integer.  If X is zero, then the [virtual table] whose
** [xCreate] or [xConnect] method invoked [sqlite3_vtab_config()] does not
** support constraints.  In this configuration (which is the default) if
** a call to the [xUpdate] method returns [SQLITE_CONSTRAINT], then the entire
** statement is rolled back as if [ON CONFLICT | OR ABORT] had been
................................................................................
** must do so within the [xUpdate] method. If a call to the 
** [sqlite3_vtab_on_conflict()] function indicates that the current ON 
** CONFLICT policy is REPLACE, the virtual table implementation should 
** silently replace the appropriate rows within the xUpdate callback and
** return SQLITE_OK. Or, if this is not possible, it may return
** SQLITE_CONSTRAINT, in which case SQLite falls back to OR ABORT 
** constraint handling.
** </dd>
**
** [[SQLITE_VTAB_DIRECTONLY]]<dt>SQLITE_VTAB_DIRECTONLY</dt>
** <dd>Calls of the form
** [sqlite3_vtab_config](db,SQLITE_VTAB_DIRECTONLY) from within the
** the [xConnect] or [xCreate] methods of a [virtual table] implmentation
** prohibits that virtual table from being used from within triggers and
** views.
** </dd>
**
** [[SQLITE_VTAB_INNOCUOUS]]<dt>SQLITE_VTAB_INNOCUOUS</dt>
** <dd>Calls of the form
** [sqlite3_vtab_config](db,SQLITE_VTAB_INNOCUOUS) from within the
** the [xConnect] or [xCreate] methods of a [virtual table] implmentation
** identify that virtual table as being safe to use from within triggers
** and views.  Conceptually, the SQLITE_VTAB_INNOCUOUS tag means that the
** virtual table can do no serious harm even if it is controlled by a
** malicious hacker.  Developers should avoid setting the SQLITE_VTAB_INNOCUOUS
** flag unless absolutely necessary.
** </dd>
** </dl>
*/
#define SQLITE_VTAB_CONSTRAINT_SUPPORT 1
#define SQLITE_VTAB_INNOCUOUS          2
#define SQLITE_VTAB_DIRECTONLY         3

/*
** CAPI3REF: Determine The Virtual Table Conflict Policy
**
** This function may only be called from within a call to the [xUpdate] method
** of a [virtual table] implementation for an INSERT or UPDATE operation. ^The
** value returned is one of [SQLITE_ROLLBACK], [SQLITE_IGNORE], [SQLITE_FAIL],
................................................................................
**
** When the value returned to V is a string, space to hold that string is
** managed by the prepared statement S and will be automatically freed when
** S is finalized.
**
** <dl>
** [[SQLITE_SCANSTAT_NLOOP]] <dt>SQLITE_SCANSTAT_NLOOP</dt>
** <dd>^The [sqlite3_int64] variable pointed to by the V parameter will be
** set to the total number of times that the X-th loop has run.</dd>
**
** [[SQLITE_SCANSTAT_NVISIT]] <dt>SQLITE_SCANSTAT_NVISIT</dt>
** <dd>^The [sqlite3_int64] variable pointed to by the V parameter will be set
** to the total number of rows examined by all iterations of the X-th loop.</dd>
**
** [[SQLITE_SCANSTAT_EST]] <dt>SQLITE_SCANSTAT_EST</dt>
** <dd>^The "double" variable pointed to by the V parameter will be set to the
** query planner's estimate for the average number of rows output from each
** iteration of the X-th loop.  If the query planner's estimates was accurate,
** then this value will approximate the quotient NVISIT/NLOOP and the
** product of this value for all prior loops with the same SELECTID will
** be the NLOOP value for the current loop.
**
** [[SQLITE_SCANSTAT_NAME]] <dt>SQLITE_SCANSTAT_NAME</dt>
** <dd>^The "const char *" variable pointed to by the V parameter will be set
** to a zero-terminated UTF-8 string containing the name of the index or table
** used for the X-th loop.
**
** [[SQLITE_SCANSTAT_EXPLAIN]] <dt>SQLITE_SCANSTAT_EXPLAIN</dt>
** <dd>^The "const char *" variable pointed to by the V parameter will be set
** to a zero-terminated UTF-8 string containing the [EXPLAIN QUERY PLAN]
** description for the X-th loop.
**
** [[SQLITE_SCANSTAT_SELECTID]] <dt>SQLITE_SCANSTAT_SELECT</dt>
** <dd>^The "int" variable pointed to by the V parameter will be set to the
** "select-id" for the X-th loop.  The select-id identifies which query or
** subquery the loop is part of.  The main query has a select-id of zero.
** The select-id is the same value as is output in the first column
** of an [EXPLAIN QUERY PLAN] query.
** </dl>
*/
#define SQLITE_SCANSTAT_NLOOP    0
................................................................................
/*
** CAPI3REF: Set a table filter on a Session Object.
** METHOD: sqlite3_session
**
** The second argument (xFilter) is the "filter callback". For changes to rows 
** in tables that are not attached to the Session object, the filter is called
** to determine whether changes to the table's rows should be tracked or not. 
** If xFilter returns 0, changes are not tracked. Note that once a table is 
** attached, xFilter will not be called again.
*/
SQLITE_API void sqlite3session_table_filter(
  sqlite3_session *pSession,      /* Session object */
  int(*xFilter)(
    void *pCtx,                   /* Copy of third arg to _filter_table() */
    const char *zTab              /* Table name */
................................................................................
** using [sqlite3session_changeset()], then after applying that changeset to 
** database zFrom the contents of the two compatible tables would be 
** identical.
**
** It an error if database zFrom does not exist or does not contain the
** required compatible table.
**
** If the operation is successful, SQLITE_OK is returned. Otherwise, an SQLite
** error code. In this case, if argument pzErrMsg is not NULL, *pzErrMsg
** may be set to point to a buffer containing an English language error 
** message. It is the responsibility of the caller to free this buffer using
** sqlite3_free().
*/
SQLITE_API int sqlite3session_diff(
  sqlite3_session *pSession,
................................................................................
#define SQLITE_CHANGESETSTART_INVERT        0x0002


/*
** CAPI3REF: Advance A Changeset Iterator
** METHOD: sqlite3_changeset_iter
**
** This function may only be used with iterators created by the function
** [sqlite3changeset_start()]. If it is called on an iterator passed to
** a conflict-handler callback by [sqlite3changeset_apply()], SQLITE_MISUSE
** is returned and the call has no effect.
**
** Immediately after an iterator is created by sqlite3changeset_start(), it
** does not point to any change in the changeset. Assuming the changeset
** is not empty, the first call to this function advances the iterator to
................................................................................
**
** If the new changeset contains changes to a table that is already present
** in the changegroup, then the number of columns and the position of the
** primary key columns for the table must be consistent. If this is not the
** case, this function fails with SQLITE_SCHEMA. If the input changeset
** appears to be corrupt and the corruption is detected, SQLITE_CORRUPT is
** returned. Or, if an out-of-memory condition occurs during processing, this
** function returns SQLITE_NOMEM. In all cases, if an error occurs the state
** of the final contents of the changegroup is undefined.
**
** If no error occurs, SQLITE_OK is returned.
*/
SQLITE_API int sqlite3changegroup_add(sqlite3_changegroup*, int nData, void *pData);

/*
** CAPI3REF: Obtain A Composite Changeset From A Changegroup
................................................................................
**   This includes the case where the UPDATE operation is attempted after 
**   an earlier call to the conflict handler function returned
**   [SQLITE_CHANGESET_REPLACE].  
** </dl>
**
** It is safe to execute SQL statements, including those that write to the
** table that the callback related to, from within the xConflict callback.
** This can be used to further customize the application's conflict
** resolution strategy.
**
** All changes made by these functions are enclosed in a savepoint transaction.
** If any other error (aside from a constraint failure when attempting to
** write to the target database) occurs, then the savepoint transaction is
** rolled back, restoring the target database to its original state, and an 
** SQLite error code returned.
................................................................................

/*
** CAPI3REF: Rebase a changeset
** EXPERIMENTAL
**
** Argument pIn must point to a buffer containing a changeset nIn bytes
** in size. This function allocates and populates a buffer with a copy
** of the changeset rebased according to the configuration of the
** rebaser object passed as the first argument. If successful, (*ppOut)
** is set to point to the new buffer containing the rebased changeset and 
** (*pnOut) to its size in bytes and SQLITE_OK returned. It is the
** responsibility of the caller to eventually free the new buffer using
** sqlite3_free(). Otherwise, if an error occurs, (*ppOut) and (*pnOut)
** are set to zero and an SQLite error code returned.
*/
................................................................................
**   If the query runs to completion without incident, SQLITE_OK is returned.
**   Or, if some error occurs before the query completes or is aborted by
**   the callback, an SQLite error code is returned.
**
**
** xSetAuxdata(pFts5, pAux, xDelete)
**
**   Save the pointer passed as the second argument as the extension function's 
**   "auxiliary data". The pointer may then be retrieved by the current or any
**   future invocation of the same fts5 extension function made as part of
**   the same MATCH query using the xGetAuxdata() API.
**
**   Each extension function is allocated a single auxiliary data slot for
**   each FTS query (MATCH expression). If the extension function is invoked 
**   more than once for a single FTS query, then all invocations share a 
................................................................................
**   of "first place" within the document set, but not alternative forms
**   such as "1st place". In some applications, it would be better to match
**   all instances of "first place" or "1st place" regardless of which form
**   the user specified in the MATCH query text.
**
**   There are several ways to approach this in FTS5:
**
**   <ol><li> By mapping all synonyms to a single token. In this case, using
**            the above example, this means that the tokenizer returns the
**            same token for inputs "first" and "1st". Say that token is in
**            fact "first", so that when the user inserts the document "I won
**            1st place" entries are added to the index for tokens "i", "won",
**            "first" and "place". If the user then queries for '1st + place',
**            the tokenizer substitutes "first" for "1st" and the query works
**            as expected.
**

Changes to SQLite.Interop/src/core/sqlite3ext.h.

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  /* Version 3.26.0 and later */
  const char *(*normalized_sql)(sqlite3_stmt*);
  /* Version 3.28.0 and later */
  int (*stmt_isexplain)(sqlite3_stmt*);
  int (*value_frombind)(sqlite3_value*);
  /* Version 3.30.0 and later */
  int (*drop_modules)(sqlite3*,const char**);






};

/*
** This is the function signature used for all extension entry points.  It
** is also defined in the file "loadext.c".
*/
typedef int (*sqlite3_loadext_entry)(
................................................................................
#define sqlite3_str_length             sqlite3_api->str_length
#define sqlite3_str_value              sqlite3_api->str_value
/* Version 3.25.0 and later */
#define sqlite3_create_window_function sqlite3_api->create_window_function
/* Version 3.26.0 and later */
#define sqlite3_normalized_sql         sqlite3_api->normalized_sql
/* Version 3.28.0 and later */
#define sqlite3_stmt_isexplain         sqlite3_api->isexplain
#define sqlite3_value_frombind         sqlite3_api->frombind
/* Version 3.30.0 and later */
#define sqlite3_drop_modules           sqlite3_api->drop_modules






#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;







>
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  /* Version 3.26.0 and later */
  const char *(*normalized_sql)(sqlite3_stmt*);
  /* Version 3.28.0 and later */
  int (*stmt_isexplain)(sqlite3_stmt*);
  int (*value_frombind)(sqlite3_value*);
  /* Version 3.30.0 and later */
  int (*drop_modules)(sqlite3*,const char**);
  /* Version 3.31.0 and later */
  sqlite3_int64 (*hard_heap_limit64)(sqlite3_int64);
  const char *(*uri_key)(const char*,int);
  const char *(*filename_database)(const char*);
  const char *(*filename_journal)(const char*);
  const char *(*filename_wal)(const char*);
};

/*
** This is the function signature used for all extension entry points.  It
** is also defined in the file "loadext.c".
*/
typedef int (*sqlite3_loadext_entry)(
................................................................................
#define sqlite3_str_length             sqlite3_api->str_length
#define sqlite3_str_value              sqlite3_api->str_value
/* Version 3.25.0 and later */
#define sqlite3_create_window_function sqlite3_api->create_window_function
/* Version 3.26.0 and later */
#define sqlite3_normalized_sql         sqlite3_api->normalized_sql
/* Version 3.28.0 and later */
#define sqlite3_stmt_isexplain         sqlite3_api->stmt_isexplain
#define sqlite3_value_frombind         sqlite3_api->value_frombind
/* Version 3.30.0 and later */
#define sqlite3_drop_modules           sqlite3_api->drop_modules
/* Version 3.31.0 and later */
#define sqlite3_hard_heap_limit64      sqlite3_api->hard_heap_limit64
#define sqlite3_uri_key                sqlite3_api->uri_key
#define sqlite3_filename_database      sqlite3_api->filename_database
#define sqlite3_filename_journal       sqlite3_api->filename_journal
#define sqlite3_filename_wal           sqlite3_api->filename_wal
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;

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18504
18505
18506
18507
18508
18509
.....
18548
18549
18550
18551
18552
18553
18554


18555
18556
18557
18558

18559
18560
18561
18562
18563
18564
18565
.....
18673
18674
18675
18676
18677
18678
18679


18680
18681
18682
18683

18684
18685
18686
18687
18688
18689
18690
.....
18845
18846
18847
18848
18849
18850
18851


18852
18853
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18855

18856
18857
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18859
18860
18861
18862
**   If the query runs to completion without incident, SQLITE_OK is returned.
**   Or, if some error occurs before the query completes or is aborted by
**   the callback, an SQLite error code is returned.
**
**
** xSetAuxdata(pFts5, pAux, xDelete)
**
**   Save the pointer passed as the second argument as the extension functions 
**   "auxiliary data". The pointer may then be retrieved by the current or any
**   future invocation of the same fts5 extension function made as part of
**   the same MATCH query using the xGetAuxdata() API.
**
**   Each extension function is allocated a single auxiliary data slot for
**   each FTS query (MATCH expression). If the extension function is invoked 
**   more than once for a single FTS query, then all invocations share a 
................................................................................
**   of "first place" within the document set, but not alternative forms
**   such as "1st place". In some applications, it would be better to match
**   all instances of "first place" or "1st place" regardless of which form
**   the user specified in the MATCH query text.
**
**   There are several ways to approach this in FTS5:
**
**   <ol><li> By mapping all synonyms to a single token. In this case, the 
**            In the above example, this means that the tokenizer returns the
**            same token for inputs "first" and "1st". Say that token is in
**            fact "first", so that when the user inserts the document "I won
**            1st place" entries are added to the index for tokens "i", "won",
**            "first" and "place". If the user then queries for '1st + place',
**            the tokenizer substitutes "first" for "1st" and the query works
**            as expected.
**
................................................................................
/*
** Maximum number of prefix indexes on single FTS5 table. This must be
** less than 32. If it is set to anything large than that, an #error
** directive in fts5_index.c will cause the build to fail.
*/
#define FTS5_MAX_PREFIX_INDEXES 31






#define FTS5_DEFAULT_NEARDIST 10
#define FTS5_DEFAULT_RANK     "bm25"

/* Name of rank and rowid columns */
#define FTS5_RANK_NAME "rank"
#define FTS5_ROWID_NAME "rowid"

................................................................................
static int sqlite3Fts5IterNextFrom(Fts5IndexIter*, i64 iMatch);

/*
** Close an iterator opened by sqlite3Fts5IndexQuery().
*/
static void sqlite3Fts5IterClose(Fts5IndexIter*);






/*
** This interface is used by the fts5vocab module.
*/
static const char *sqlite3Fts5IterTerm(Fts5IndexIter*, int*);
static int sqlite3Fts5IterNextScan(Fts5IndexIter*);


................................................................................

/*
** Alternative datatype for the argument to the malloc() routine passed
** into sqlite3ParserAlloc().  The default is size_t.
*/
#define fts5YYMALLOCARGTYPE  u64

#line 57 "fts5parse.c"
/**************** End of %include directives **********************************/
/* These constants specify the various numeric values for terminal symbols
** in a format understandable to "makeheaders".  This section is blank unless
** "lemon" is run with the "-m" command-line option.
***************** Begin makeheaders token definitions *************************/
/**************** End makeheaders token definitions ***************************/

................................................................................
#define sqlite3Fts5ParserCTX_SDECL
#define sqlite3Fts5ParserCTX_PDECL
#define sqlite3Fts5ParserCTX_PARAM
#define sqlite3Fts5ParserCTX_FETCH
#define sqlite3Fts5ParserCTX_STORE
#define fts5YYNSTATE             35
#define fts5YYNRULE              28

#define fts5YYNFTS5TOKEN             16
#define fts5YY_MAX_SHIFT         34
#define fts5YY_MIN_SHIFTREDUCE   52
#define fts5YY_MAX_SHIFTREDUCE   79
#define fts5YY_ERROR_ACTION      80
#define fts5YY_ACCEPT_ACTION     81
#define fts5YY_NO_ACTION         82
................................................................................
    ** inside the C code.
    */
/********* Begin destructor definitions ***************************************/
    case 16: /* input */
{
#line 83 "fts5parse.y"
 (void)pParse; 
#line 570 "fts5parse.c"
}
      break;
    case 17: /* expr */
    case 18: /* cnearset */
    case 19: /* exprlist */
{
#line 89 "fts5parse.y"
 sqlite3Fts5ParseNodeFree((fts5yypminor->fts5yy24)); 
#line 579 "fts5parse.c"
}
      break;
    case 20: /* colset */
    case 21: /* colsetlist */
{
#line 93 "fts5parse.y"
 sqlite3_free((fts5yypminor->fts5yy11)); 
#line 587 "fts5parse.c"
}
      break;
    case 22: /* nearset */
    case 23: /* nearphrases */
{
#line 148 "fts5parse.y"
 sqlite3Fts5ParseNearsetFree((fts5yypminor->fts5yy46)); 
#line 595 "fts5parse.c"
}
      break;
    case 24: /* phrase */
{
#line 183 "fts5parse.y"
 sqlite3Fts5ParsePhraseFree((fts5yypminor->fts5yy53)); 
#line 602 "fts5parse.c"
}
      break;
/********* End destructor definitions *****************************************/
    default:  break;   /* If no destructor action specified: do nothing */
  }
}

................................................................................
   while( fts5yypParser->fts5yytos>fts5yypParser->fts5yystack ) fts5yy_pop_parser_stack(fts5yypParser);
   /* Here code is inserted which will execute if the parser
   ** stack every overflows */
/******** Begin %stack_overflow code ******************************************/
#line 36 "fts5parse.y"

  sqlite3Fts5ParseError(pParse, "fts5: parser stack overflow");
#line 823 "fts5parse.c"
/******** End %stack_overflow code ********************************************/
   sqlite3Fts5ParserARG_STORE /* Suppress warning about unused %extra_argument var */
   sqlite3Fts5ParserCTX_STORE
}

/*
** Print tracing information for a SHIFT action
................................................................................
  (void)fts5yyLookahead;
  (void)fts5yyLookaheadToken;
  fts5yymsp = fts5yypParser->fts5yytos;
#ifndef NDEBUG
  if( fts5yyTraceFILE && fts5yyruleno<(int)(sizeof(fts5yyRuleName)/sizeof(fts5yyRuleName[0])) ){
    fts5yysize = fts5yyRuleInfoNRhs[fts5yyruleno];
    if( fts5yysize ){
      fprintf(fts5yyTraceFILE, "%sReduce %d [%s], go to state %d.\n",
        fts5yyTracePrompt,
        fts5yyruleno, fts5yyRuleName[fts5yyruleno], fts5yymsp[fts5yysize].stateno);


    }else{
      fprintf(fts5yyTraceFILE, "%sReduce %d [%s].\n",
        fts5yyTracePrompt, fts5yyruleno, fts5yyRuleName[fts5yyruleno]);

    }
  }
#endif /* NDEBUG */

  /* Check that the stack is large enough to grow by a single entry
  ** if the RHS of the rule is empty.  This ensures that there is room
  ** enough on the stack to push the LHS value */
................................................................................
  **     break;
  */
/********** Begin reduce actions **********************************************/
        fts5YYMINORTYPE fts5yylhsminor;
      case 0: /* input ::= expr */
#line 82 "fts5parse.y"
{ sqlite3Fts5ParseFinished(pParse, fts5yymsp[0].minor.fts5yy24); }
#line 1045 "fts5parse.c"
        break;
      case 1: /* colset ::= MINUS LCP colsetlist RCP */
#line 97 "fts5parse.y"
{ 
    fts5yymsp[-3].minor.fts5yy11 = sqlite3Fts5ParseColsetInvert(pParse, fts5yymsp[-1].minor.fts5yy11);
}
#line 1052 "fts5parse.c"
        break;
      case 2: /* colset ::= LCP colsetlist RCP */
#line 100 "fts5parse.y"
{ fts5yymsp[-2].minor.fts5yy11 = fts5yymsp[-1].minor.fts5yy11; }
#line 1057 "fts5parse.c"
        break;
      case 3: /* colset ::= STRING */
#line 101 "fts5parse.y"
{
  fts5yylhsminor.fts5yy11 = sqlite3Fts5ParseColset(pParse, 0, &fts5yymsp[0].minor.fts5yy0);
}
#line 1064 "fts5parse.c"
  fts5yymsp[0].minor.fts5yy11 = fts5yylhsminor.fts5yy11;
        break;
      case 4: /* colset ::= MINUS STRING */
#line 104 "fts5parse.y"
{
  fts5yymsp[-1].minor.fts5yy11 = sqlite3Fts5ParseColset(pParse, 0, &fts5yymsp[0].minor.fts5yy0);
  fts5yymsp[-1].minor.fts5yy11 = sqlite3Fts5ParseColsetInvert(pParse, fts5yymsp[-1].minor.fts5yy11);
}
#line 1073 "fts5parse.c"
        break;
      case 5: /* colsetlist ::= colsetlist STRING */
#line 109 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy11 = sqlite3Fts5ParseColset(pParse, fts5yymsp[-1].minor.fts5yy11, &fts5yymsp[0].minor.fts5yy0); }
#line 1079 "fts5parse.c"
  fts5yymsp[-1].minor.fts5yy11 = fts5yylhsminor.fts5yy11;
        break;
      case 6: /* colsetlist ::= STRING */
#line 111 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy11 = sqlite3Fts5ParseColset(pParse, 0, &fts5yymsp[0].minor.fts5yy0); 
}
#line 1087 "fts5parse.c"
  fts5yymsp[0].minor.fts5yy11 = fts5yylhsminor.fts5yy11;
        break;
      case 7: /* expr ::= expr AND expr */
#line 115 "fts5parse.y"
{
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_AND, fts5yymsp[-2].minor.fts5yy24, fts5yymsp[0].minor.fts5yy24, 0);
}
#line 1095 "fts5parse.c"
  fts5yymsp[-2].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 8: /* expr ::= expr OR expr */
#line 118 "fts5parse.y"
{
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_OR, fts5yymsp[-2].minor.fts5yy24, fts5yymsp[0].minor.fts5yy24, 0);
}
#line 1103 "fts5parse.c"
  fts5yymsp[-2].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 9: /* expr ::= expr NOT expr */
#line 121 "fts5parse.y"
{
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_NOT, fts5yymsp[-2].minor.fts5yy24, fts5yymsp[0].minor.fts5yy24, 0);
}
#line 1111 "fts5parse.c"
  fts5yymsp[-2].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 10: /* expr ::= colset COLON LP expr RP */
#line 125 "fts5parse.y"
{
  sqlite3Fts5ParseSetColset(pParse, fts5yymsp[-1].minor.fts5yy24, fts5yymsp[-4].minor.fts5yy11);
  fts5yylhsminor.fts5yy24 = fts5yymsp[-1].minor.fts5yy24;
}
#line 1120 "fts5parse.c"
  fts5yymsp[-4].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 11: /* expr ::= LP expr RP */
#line 129 "fts5parse.y"
{fts5yymsp[-2].minor.fts5yy24 = fts5yymsp[-1].minor.fts5yy24;}
#line 1126 "fts5parse.c"
        break;
      case 12: /* expr ::= exprlist */
      case 13: /* exprlist ::= cnearset */ fts5yytestcase(fts5yyruleno==13);
#line 130 "fts5parse.y"
{fts5yylhsminor.fts5yy24 = fts5yymsp[0].minor.fts5yy24;}
#line 1132 "fts5parse.c"
  fts5yymsp[0].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 14: /* exprlist ::= exprlist cnearset */
#line 133 "fts5parse.y"
{
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseImplicitAnd(pParse, fts5yymsp[-1].minor.fts5yy24, fts5yymsp[0].minor.fts5yy24);
}
#line 1140 "fts5parse.c"
  fts5yymsp[-1].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 15: /* cnearset ::= nearset */
#line 137 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, fts5yymsp[0].minor.fts5yy46); 
}
#line 1148 "fts5parse.c"
  fts5yymsp[0].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 16: /* cnearset ::= colset COLON nearset */
#line 140 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, fts5yymsp[0].minor.fts5yy46); 
  sqlite3Fts5ParseSetColset(pParse, fts5yylhsminor.fts5yy24, fts5yymsp[-2].minor.fts5yy11);
}
#line 1157 "fts5parse.c"
  fts5yymsp[-2].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 17: /* nearset ::= phrase */
#line 151 "fts5parse.y"
{ fts5yylhsminor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, 0, fts5yymsp[0].minor.fts5yy53); }
#line 1163 "fts5parse.c"
  fts5yymsp[0].minor.fts5yy46 = fts5yylhsminor.fts5yy46;
        break;
      case 18: /* nearset ::= CARET phrase */
#line 152 "fts5parse.y"
{ 
  sqlite3Fts5ParseSetCaret(fts5yymsp[0].minor.fts5yy53);
  fts5yymsp[-1].minor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, 0, fts5yymsp[0].minor.fts5yy53); 
}
#line 1172 "fts5parse.c"
        break;
      case 19: /* nearset ::= STRING LP nearphrases neardist_opt RP */
#line 156 "fts5parse.y"
{
  sqlite3Fts5ParseNear(pParse, &fts5yymsp[-4].minor.fts5yy0);
  sqlite3Fts5ParseSetDistance(pParse, fts5yymsp[-2].minor.fts5yy46, &fts5yymsp[-1].minor.fts5yy0);
  fts5yylhsminor.fts5yy46 = fts5yymsp[-2].minor.fts5yy46;
}
#line 1181 "fts5parse.c"
  fts5yymsp[-4].minor.fts5yy46 = fts5yylhsminor.fts5yy46;
        break;
      case 20: /* nearphrases ::= phrase */
#line 162 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, 0, fts5yymsp[0].minor.fts5yy53); 
}
#line 1189 "fts5parse.c"
  fts5yymsp[0].minor.fts5yy46 = fts5yylhsminor.fts5yy46;
        break;
      case 21: /* nearphrases ::= nearphrases phrase */
#line 165 "fts5parse.y"
{
  fts5yylhsminor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, fts5yymsp[-1].minor.fts5yy46, fts5yymsp[0].minor.fts5yy53);
}
#line 1197 "fts5parse.c"
  fts5yymsp[-1].minor.fts5yy46 = fts5yylhsminor.fts5yy46;
        break;
      case 22: /* neardist_opt ::= */
#line 172 "fts5parse.y"
{ fts5yymsp[1].minor.fts5yy0.p = 0; fts5yymsp[1].minor.fts5yy0.n = 0; }
#line 1203 "fts5parse.c"
        break;
      case 23: /* neardist_opt ::= COMMA STRING */
#line 173 "fts5parse.y"
{ fts5yymsp[-1].minor.fts5yy0 = fts5yymsp[0].minor.fts5yy0; }
#line 1208 "fts5parse.c"
        break;
      case 24: /* phrase ::= phrase PLUS STRING star_opt */
#line 185 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy53 = sqlite3Fts5ParseTerm(pParse, fts5yymsp[-3].minor.fts5yy53, &fts5yymsp[-1].minor.fts5yy0, fts5yymsp[0].minor.fts5yy4);
}
#line 1215 "fts5parse.c"
  fts5yymsp[-3].minor.fts5yy53 = fts5yylhsminor.fts5yy53;
        break;
      case 25: /* phrase ::= STRING star_opt */
#line 188 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy53 = sqlite3Fts5ParseTerm(pParse, 0, &fts5yymsp[-1].minor.fts5yy0, fts5yymsp[0].minor.fts5yy4);
}
#line 1223 "fts5parse.c"
  fts5yymsp[-1].minor.fts5yy53 = fts5yylhsminor.fts5yy53;
        break;
      case 26: /* star_opt ::= STAR */
#line 196 "fts5parse.y"
{ fts5yymsp[0].minor.fts5yy4 = 1; }
#line 1229 "fts5parse.c"
        break;
      case 27: /* star_opt ::= */
#line 197 "fts5parse.y"
{ fts5yymsp[1].minor.fts5yy4 = 0; }
#line 1234 "fts5parse.c"
        break;
      default:
        break;
/********** End reduce actions ************************************************/
  };
  assert( fts5yyruleno<sizeof(fts5yyRuleInfoLhs)/sizeof(fts5yyRuleInfoLhs[0]) );
  fts5yygoto = fts5yyRuleInfoLhs[fts5yyruleno];
................................................................................
/************ Begin %syntax_error code ****************************************/
#line 30 "fts5parse.y"

  UNUSED_PARAM(fts5yymajor); /* Silence a compiler warning */
  sqlite3Fts5ParseError(
    pParse, "fts5: syntax error near \"%.*s\"",FTS5TOKEN.n,FTS5TOKEN.p
  );
#line 1302 "fts5parse.c"
/************ End %syntax_error code ******************************************/
  sqlite3Fts5ParserARG_STORE /* Suppress warning about unused %extra_argument variable */
  sqlite3Fts5ParserCTX_STORE
}

/*
** The following is executed when the parser accepts
................................................................................
*/
static int sqlite3Fts5ParserFallback(int iToken){
#ifdef fts5YYFALLBACK
  assert( iToken<(int)(sizeof(fts5yyFallback)/sizeof(fts5yyFallback[0])) );
  return fts5yyFallback[iToken];
#else
  (void)iToken;
#endif
  return 0;

}

#line 1 "fts5_aux.c"
/*
** 2014 May 31
**
** The author disclaims copyright to this source code.  In place of
................................................................................
#define FTS5_DEFAULT_PAGE_SIZE   4050
#define FTS5_DEFAULT_AUTOMERGE      4
#define FTS5_DEFAULT_USERMERGE      4
#define FTS5_DEFAULT_CRISISMERGE   16
#define FTS5_DEFAULT_HASHSIZE    (1024*1024)

/* Maximum allowed page size */
#define FTS5_MAX_PAGE_SIZE (128*1024)

static int fts5_iswhitespace(char x){
  return (x==' ');
}

static int fts5_isopenquote(char x){
  return (x=='"' || x=='\'' || x=='[' || x=='`');
................................................................................
  int iOut = 0;
  q = z[0];

  /* Set stack variable q to the close-quote character */
  assert( q=='[' || q=='\'' || q=='"' || q=='`' );
  if( q=='[' ) q = ']';  

  while( ALWAYS(z[iIn]) ){
    if( z[iIn]==q ){
      if( z[iIn+1]!=q ){
        /* Character iIn was the close quote. */
        iIn++;
        break;
      }else{
        /* Character iIn and iIn+1 form an escaped quote character. Skip
................................................................................
  int rc = SQLITE_OK;

  if( 0==sqlite3_stricmp(zKey, "pgsz") ){
    int pgsz = 0;
    if( SQLITE_INTEGER==sqlite3_value_numeric_type(pVal) ){
      pgsz = sqlite3_value_int(pVal);
    }
    if( pgsz<=0 || pgsz>FTS5_MAX_PAGE_SIZE ){
      *pbBadkey = 1;
    }else{
      pConfig->pgsz = pgsz;
    }
  }

  else if( 0==sqlite3_stricmp(zKey, "hashsize") ){
................................................................................
    if( SQLITE_INTEGER==sqlite3_value_numeric_type(pVal) ){
      nCrisisMerge = sqlite3_value_int(pVal);
    }
    if( nCrisisMerge<0 ){
      *pbBadkey = 1;
    }else{
      if( nCrisisMerge<=1 ) nCrisisMerge = FTS5_DEFAULT_CRISISMERGE;

      pConfig->nCrisisMerge = nCrisisMerge;
    }
  }

  else if( 0==sqlite3_stricmp(zKey, "rank") ){
    const char *zIn = (const char*)sqlite3_value_text(pVal);
    char *zRank;
................................................................................
    sqlite3_result_error_nomem(pCtx);
    return;
  }
  azConfig[0] = 0;
  azConfig[1] = "main";
  azConfig[2] = "tbl";
  for(i=3; iArg<nArg; iArg++){
    azConfig[i++] = (const char*)sqlite3_value_text(apVal[iArg]);

  }

  zExpr = (const char*)sqlite3_value_text(apVal[0]);


  rc = sqlite3Fts5ConfigParse(pGlobal, db, nConfig, azConfig, &pConfig, &zErr);
  if( rc==SQLITE_OK ){
    rc = sqlite3Fts5ExprNew(pConfig, pConfig->nCol, zExpr, &pExpr, &zErr);
  }
  if( rc==SQLITE_OK ){
    char *zText;
................................................................................
 ((i64)(height) << (FTS5_DATA_PAGE_B)) +                                       \
 ((i64)(pgno))                                                                 \
)

#define FTS5_SEGMENT_ROWID(segid, pgno)       fts5_dri(segid, 0, 0, pgno)
#define FTS5_DLIDX_ROWID(segid, height, pgno) fts5_dri(segid, 1, height, pgno)

/*
** Maximum segments permitted in a single index 
*/
#define FTS5_MAX_SEGMENT 2000

#ifdef SQLITE_DEBUG
static int sqlite3Fts5Corrupt() { return SQLITE_CORRUPT_VTAB; }
#endif


/*
** Each time a blob is read from the %_data table, it is padded with this
................................................................................
  fts5GetVarint32(&pLeaf->p[pLeaf->szLeaf], ret);
  return ret;
}

/*
** Close the read-only blob handle, if it is open.
*/
static void fts5CloseReader(Fts5Index *p){
  if( p->pReader ){
    sqlite3_blob *pReader = p->pReader;
    p->pReader = 0;
    sqlite3_blob_close(pReader);
  }
}

................................................................................
      ** is required.  */
      sqlite3_blob *pBlob = p->pReader;
      p->pReader = 0;
      rc = sqlite3_blob_reopen(pBlob, iRowid);
      assert( p->pReader==0 );
      p->pReader = pBlob;
      if( rc!=SQLITE_OK ){
        fts5CloseReader(p);
      }
      if( rc==SQLITE_ABORT ) rc = SQLITE_OK;
    }

    /* If the blob handle is not open at this point, open it and seek 
    ** to the requested entry.  */
    if( p->pReader==0 && rc==SQLITE_OK ){
................................................................................

/*
** Commit data to disk.
*/
static int sqlite3Fts5IndexSync(Fts5Index *p){
  assert( p->rc==SQLITE_OK );
  fts5IndexFlush(p);
  fts5CloseReader(p);
  return fts5IndexReturn(p);
}

/*
** Discard any data stored in the in-memory hash tables. Do not write it
** to the database. Additionally, assume that the contents of the %_data
** table may have changed on disk. So any in-memory caches of %_data 
** records must be invalidated.
*/
static int sqlite3Fts5IndexRollback(Fts5Index *p){
  fts5CloseReader(p);
  fts5IndexDiscardData(p);
  fts5StructureInvalidate(p);
  /* assert( p->rc==SQLITE_OK ); */
  return SQLITE_OK;
}

/*
................................................................................
** The %_data table is completely empty when this function is called. This
** function populates it with the initial structure objects for each index,
** and the initial version of the "averages" record (a zero-byte blob).
*/
static int sqlite3Fts5IndexReinit(Fts5Index *p){
  Fts5Structure s;
  fts5StructureInvalidate(p);

  memset(&s, 0, sizeof(Fts5Structure));
  fts5DataWrite(p, FTS5_AVERAGES_ROWID, (const u8*)"", 0);
  fts5StructureWrite(p, &s);
  return fts5IndexReturn(p);
}

/*
................................................................................
  int nChar
){
  int n = 0;
  int i;
  for(i=0; i<nChar; i++){
    if( n>=nByte ) return 0;      /* Input contains fewer than nChar chars */
    if( (unsigned char)p[n++]>=0xc0 ){

      while( (p[n] & 0xc0)==0x80 ){
        n++;
        if( n>=nByte ) break;



      }
    }
  }
  return n;
}

/*
................................................................................
        if( pSeg->pLeaf ) pRet->xSetOutputs(pRet, pSeg);
      }
    }

    if( p->rc ){
      sqlite3Fts5IterClose((Fts5IndexIter*)pRet);
      pRet = 0;
      fts5CloseReader(p);
    }

    *ppIter = (Fts5IndexIter*)pRet;
    sqlite3Fts5BufferFree(&buf);
  }
  return fts5IndexReturn(p);
}
................................................................................
** Close an iterator opened by an earlier call to sqlite3Fts5IndexQuery().
*/
static void sqlite3Fts5IterClose(Fts5IndexIter *pIndexIter){
  if( pIndexIter ){
    Fts5Iter *pIter = (Fts5Iter*)pIndexIter;
    Fts5Index *pIndex = pIter->pIndex;
    fts5MultiIterFree(pIter);
    fts5CloseReader(pIndex);
  }
}

/*
** Read and decode the "averages" record from the database. 
**
** Parameter anSize must point to an array of size nCol, where nCol is
................................................................................
  }
  sqlite3Fts5IterClose(pIter);

  *pCksum = cksum;
  return rc;
}

































/*
** This function is also purely an internal test. It does not contribute to 
** FTS functionality, or even the integrity-check, in any way.
*/
static void fts5TestTerm(
  Fts5Index *p, 
................................................................................

    /* If this is a prefix query, check that the results returned if the
    ** the index is disabled are the same. In both ASC and DESC order. 
    **
    ** This check may only be performed if the hash table is empty. This
    ** is because the hash table only supports a single scan query at
    ** a time, and the multi-iter loop from which this function is called
    ** is already performing such a scan. */






    if( p->nPendingData==0 ){
      if( iIdx>0 && rc==SQLITE_OK ){
        int f = flags|FTS5INDEX_QUERY_TEST_NOIDX;
        ck2 = 0;
        rc = fts5QueryCksum(p, iIdx, zTerm, nTerm, f, &ck2);
        if( rc==SQLITE_OK && ck1!=ck2 ) rc = FTS5_CORRUPT;
      }
      if( iIdx>0 && rc==SQLITE_OK ){
................................................................................
  int rc2;
  int iIdxPrevLeaf = pSeg->pgnoFirst-1;
  int iDlidxPrevLeaf = pSeg->pgnoLast;

  if( pSeg->pgnoFirst==0 ) return;

  fts5IndexPrepareStmt(p, &pStmt, sqlite3_mprintf(
      "SELECT segid, term, (pgno>>1), (pgno&1) FROM %Q.'%q_idx' WHERE segid=%d",

      pConfig->zDb, pConfig->zName, pSeg->iSegid
  ));

  /* Iterate through the b-tree hierarchy.  */
  while( p->rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){
    i64 iRow;                     /* Rowid for this leaf */
    Fts5Data *pLeaf;              /* Data for this leaf */


    int nIdxTerm = sqlite3_column_bytes(pStmt, 1);
    const char *zIdxTerm = (const char*)sqlite3_column_text(pStmt, 1);
    int iIdxLeaf = sqlite3_column_int(pStmt, 2);
    int bIdxDlidx = sqlite3_column_int(pStmt, 3);

    /* If the leaf in question has already been trimmed from the segment, 
    ** ignore this b-tree entry. Otherwise, load it into memory. */
    if( iIdxLeaf<pSeg->pgnoFirst ) continue;
    iRow = FTS5_SEGMENT_ROWID(pSeg->iSegid, iIdxLeaf);
................................................................................
      assert( iSavepoint<=p->ts.iSavepoint );
      p->ts.iSavepoint = iSavepoint-1;
      break;

    case FTS5_ROLLBACKTO:
      assert( p->ts.eState==1 );
      assert( iSavepoint>=-1 );



      assert( iSavepoint<=p->ts.iSavepoint );
      p->ts.iSavepoint = iSavepoint;
      break;
  }
}
#else
# define fts5CheckTransactionState(x,y,z)
#endif
................................................................................
  sqlite3_free(pCsr->apRankArg);

  if( CsrFlagTest(pCsr, FTS5CSR_FREE_ZRANK) ){
    sqlite3_free(pCsr->zRank);
    sqlite3_free(pCsr->zRankArgs);
  }


  memset(&pCsr->ePlan, 0, sizeof(Fts5Cursor) - ((u8*)&pCsr->ePlan - (u8*)pCsr));
}


/*
** Close the cursor.  For additional information see the documentation
** on the xClose method of the virtual table interface.
................................................................................
      }
  
      case FTS5_PLAN_SORTED_MATCH: {
        rc = fts5SorterNext(pCsr);
        break;
      }
  
      default:


        rc = sqlite3_step(pCsr->pStmt);

        if( rc!=SQLITE_ROW ){
          CsrFlagSet(pCsr, FTS5CSR_EOF);
          rc = sqlite3_reset(pCsr->pStmt);





        }else{
          rc = SQLITE_OK;
        }
        break;

    }
  }
  
  return rc;
}


................................................................................
  sqlite3_value *pRowidLe = 0;    /* rowid <= ? expression (or NULL) */
  sqlite3_value *pRowidGe = 0;    /* rowid >= ? expression (or NULL) */
  int iCol;                       /* Column on LHS of MATCH operator */
  char **pzErrmsg = pConfig->pzErrmsg;
  int i;
  int iIdxStr = 0;
  Fts5Expr *pExpr = 0;








  if( pCsr->ePlan ){
    fts5FreeCursorComponents(pCsr);
    memset(&pCsr->ePlan, 0, sizeof(Fts5Cursor) - ((u8*)&pCsr->ePlan-(u8*)pCsr));
  }

  assert( pCsr->pStmt==0 );
................................................................................
        pTab->pStorage, eStmt, &pCsr->pStmt, (bErrormsg?&pTab->p.base.zErrMsg:0)
    );
    assert( rc!=SQLITE_OK || pTab->p.base.zErrMsg==0 );
    assert( CsrFlagTest(pCsr, FTS5CSR_REQUIRE_CONTENT) );
  }

  if( rc==SQLITE_OK && CsrFlagTest(pCsr, FTS5CSR_REQUIRE_CONTENT) ){

    assert( pCsr->pExpr );
    sqlite3_reset(pCsr->pStmt);
    sqlite3_bind_int64(pCsr->pStmt, 1, fts5CursorRowid(pCsr));

    rc = sqlite3_step(pCsr->pStmt);

    if( rc==SQLITE_ROW ){
      rc = SQLITE_OK;
      CsrFlagClear(pCsr, FTS5CSR_REQUIRE_CONTENT);
    }else{
      rc = sqlite3_reset(pCsr->pStmt);
      if( rc==SQLITE_OK ){
        rc = FTS5_CORRUPT;




      }
    }
  }
  return rc;
}

static void fts5SetVtabError(Fts5FullTable *p, const char *zFormat, ...){
................................................................................
     || pCsr->ePlan==FTS5_PLAN_SORTED_MATCH
    ){
      if( pCsr->pRank || SQLITE_OK==(rc = fts5FindRankFunction(pCsr)) ){
        fts5ApiInvoke(pCsr->pRank, pCsr, pCtx, pCsr->nRankArg, pCsr->apRankArg);
      }
    }
  }else if( !fts5IsContentless(pTab) ){

    rc = fts5SeekCursor(pCsr, 1);
    if( rc==SQLITE_OK ){
      sqlite3_result_value(pCtx, sqlite3_column_value(pCsr->pStmt, iCol+1));
    }

  }
  return rc;
}


/*
** This routine implements the xFindFunction method for the FTS3
................................................................................
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2019-10-10 20:19:45 18db032d058f1436ce3dea84081f4ee5a0f2259ad97301d43c426bc7f3df1b0b", -1, SQLITE_TRANSIENT);
}

/*
** Return true if zName is the extension on one of the shadow tables used
** by this module.
*/
static int fts5ShadowName(const char *zName){
................................................................................

/*
** Delete all entries in the FTS5 index.
*/
static int sqlite3Fts5StorageDeleteAll(Fts5Storage *p){
  Fts5Config *pConfig = p->pConfig;
  int rc;



  /* Delete the contents of the %_data and %_docsize tables. */
  rc = fts5ExecPrintf(pConfig->db, 0,
      "DELETE FROM %Q.'%q_data';" 
      "DELETE FROM %Q.'%q_idx';",
      pConfig->zDb, pConfig->zName,
      pConfig->zDb, pConfig->zName
................................................................................
    i64 iRowid = sqlite3_column_int64(pScan, 0);

    sqlite3Fts5BufferZero(&buf);
    rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 0, iRowid);
    for(ctx.iCol=0; rc==SQLITE_OK && ctx.iCol<pConfig->nCol; ctx.iCol++){
      ctx.szCol = 0;
      if( pConfig->abUnindexed[ctx.iCol]==0 ){


        rc = sqlite3Fts5Tokenize(pConfig, 
            FTS5_TOKENIZE_DOCUMENT,
            (const char*)sqlite3_column_text(pScan, ctx.iCol+1),
            sqlite3_column_bytes(pScan, ctx.iCol+1),

            (void*)&ctx,
            fts5StorageInsertCallback
        );
      }
      sqlite3Fts5BufferAppendVarint(&rc, &buf, ctx.szCol);
      p->aTotalSize[ctx.iCol] += (i64)ctx.szCol;
    }
................................................................................

  if( rc==SQLITE_OK ){
    rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 0, iRowid);
  }
  for(ctx.iCol=0; rc==SQLITE_OK && ctx.iCol<pConfig->nCol; ctx.iCol++){
    ctx.szCol = 0;
    if( pConfig->abUnindexed[ctx.iCol]==0 ){


      rc = sqlite3Fts5Tokenize(pConfig, 
          FTS5_TOKENIZE_DOCUMENT,
          (const char*)sqlite3_value_text(apVal[ctx.iCol+2]),
          sqlite3_value_bytes(apVal[ctx.iCol+2]),

          (void*)&ctx,
          fts5StorageInsertCallback
      );
    }
    sqlite3Fts5BufferAppendVarint(&rc, &buf, ctx.szCol);
    p->aTotalSize[ctx.iCol] += (i64)ctx.szCol;
  }
................................................................................
        if( pConfig->abUnindexed[i] ) continue;
        ctx.iCol = i;
        ctx.szCol = 0;
        if( pConfig->eDetail==FTS5_DETAIL_COLUMNS ){
          rc = sqlite3Fts5TermsetNew(&ctx.pTermset);
        }
        if( rc==SQLITE_OK ){


          rc = sqlite3Fts5Tokenize(pConfig, 
              FTS5_TOKENIZE_DOCUMENT,
              (const char*)sqlite3_column_text(pScan, i+1),
              sqlite3_column_bytes(pScan, i+1),

              (void*)&ctx,
              fts5StorageIntegrityCallback
          );
        }
        if( rc==SQLITE_OK && pConfig->bColumnsize && ctx.szCol!=aColSize[i] ){
          rc = FTS5_CORRUPT;
        }







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167
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...
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...
646
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664
....
1007
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1021
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1024
1025
....
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....
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....
1999
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....
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....
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....
2477
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....
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....
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.....
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.....
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.....
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.....
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.....
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.....
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.....
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.....
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.....
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.....
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.....
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18645
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.....
18760
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.....
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18951
**   If the query runs to completion without incident, SQLITE_OK is returned.
**   Or, if some error occurs before the query completes or is aborted by
**   the callback, an SQLite error code is returned.
**
**
** xSetAuxdata(pFts5, pAux, xDelete)
**
**   Save the pointer passed as the second argument as the extension function's 
**   "auxiliary data". The pointer may then be retrieved by the current or any
**   future invocation of the same fts5 extension function made as part of
**   the same MATCH query using the xGetAuxdata() API.
**
**   Each extension function is allocated a single auxiliary data slot for
**   each FTS query (MATCH expression). If the extension function is invoked 
**   more than once for a single FTS query, then all invocations share a 
................................................................................
**   of "first place" within the document set, but not alternative forms
**   such as "1st place". In some applications, it would be better to match
**   all instances of "first place" or "1st place" regardless of which form
**   the user specified in the MATCH query text.
**
**   There are several ways to approach this in FTS5:
**
**   <ol><li> By mapping all synonyms to a single token. In this case, using
**            the above example, this means that the tokenizer returns the
**            same token for inputs "first" and "1st". Say that token is in
**            fact "first", so that when the user inserts the document "I won
**            1st place" entries are added to the index for tokens "i", "won",
**            "first" and "place". If the user then queries for '1st + place',
**            the tokenizer substitutes "first" for "1st" and the query works
**            as expected.
**
................................................................................
/*
** Maximum number of prefix indexes on single FTS5 table. This must be
** less than 32. If it is set to anything large than that, an #error
** directive in fts5_index.c will cause the build to fail.
*/
#define FTS5_MAX_PREFIX_INDEXES 31

/*
** Maximum segments permitted in a single index 
*/
#define FTS5_MAX_SEGMENT 2000

#define FTS5_DEFAULT_NEARDIST 10
#define FTS5_DEFAULT_RANK     "bm25"

/* Name of rank and rowid columns */
#define FTS5_RANK_NAME "rank"
#define FTS5_ROWID_NAME "rowid"

................................................................................
static int sqlite3Fts5IterNextFrom(Fts5IndexIter*, i64 iMatch);

/*
** Close an iterator opened by sqlite3Fts5IndexQuery().
*/
static void sqlite3Fts5IterClose(Fts5IndexIter*);

/*
** Close the reader blob handle, if it is open.
*/
static void sqlite3Fts5IndexCloseReader(Fts5Index*);

/*
** This interface is used by the fts5vocab module.
*/
static const char *sqlite3Fts5IterTerm(Fts5IndexIter*, int*);
static int sqlite3Fts5IterNextScan(Fts5IndexIter*);


................................................................................

/*
** Alternative datatype for the argument to the malloc() routine passed
** into sqlite3ParserAlloc().  The default is size_t.
*/
#define fts5YYMALLOCARGTYPE  u64

#line 57 "fts5parse.sql"
/**************** End of %include directives **********************************/
/* These constants specify the various numeric values for terminal symbols
** in a format understandable to "makeheaders".  This section is blank unless
** "lemon" is run with the "-m" command-line option.
***************** Begin makeheaders token definitions *************************/
/**************** End makeheaders token definitions ***************************/

................................................................................
#define sqlite3Fts5ParserCTX_SDECL
#define sqlite3Fts5ParserCTX_PDECL
#define sqlite3Fts5ParserCTX_PARAM
#define sqlite3Fts5ParserCTX_FETCH
#define sqlite3Fts5ParserCTX_STORE
#define fts5YYNSTATE             35
#define fts5YYNRULE              28
#define fts5YYNRULE_WITH_ACTION  28
#define fts5YYNFTS5TOKEN             16
#define fts5YY_MAX_SHIFT         34
#define fts5YY_MIN_SHIFTREDUCE   52
#define fts5YY_MAX_SHIFTREDUCE   79
#define fts5YY_ERROR_ACTION      80
#define fts5YY_ACCEPT_ACTION     81
#define fts5YY_NO_ACTION         82
................................................................................
    ** inside the C code.
    */
/********* Begin destructor definitions ***************************************/
    case 16: /* input */
{
#line 83 "fts5parse.y"
 (void)pParse; 
#line 571 "fts5parse.sql"
}
      break;
    case 17: /* expr */
    case 18: /* cnearset */
    case 19: /* exprlist */
{
#line 89 "fts5parse.y"
 sqlite3Fts5ParseNodeFree((fts5yypminor->fts5yy24)); 
#line 580 "fts5parse.sql"
}
      break;
    case 20: /* colset */
    case 21: /* colsetlist */
{
#line 93 "fts5parse.y"
 sqlite3_free((fts5yypminor->fts5yy11)); 
#line 588 "fts5parse.sql"
}
      break;
    case 22: /* nearset */
    case 23: /* nearphrases */
{
#line 148 "fts5parse.y"
 sqlite3Fts5ParseNearsetFree((fts5yypminor->fts5yy46)); 
#line 596 "fts5parse.sql"
}
      break;
    case 24: /* phrase */
{
#line 183 "fts5parse.y"
 sqlite3Fts5ParsePhraseFree((fts5yypminor->fts5yy53)); 
#line 603 "fts5parse.sql"
}
      break;
/********* End destructor definitions *****************************************/
    default:  break;   /* If no destructor action specified: do nothing */
  }
}

................................................................................
   while( fts5yypParser->fts5yytos>fts5yypParser->fts5yystack ) fts5yy_pop_parser_stack(fts5yypParser);
   /* Here code is inserted which will execute if the parser
   ** stack every overflows */
/******** Begin %stack_overflow code ******************************************/
#line 36 "fts5parse.y"

  sqlite3Fts5ParseError(pParse, "fts5: parser stack overflow");
#line 824 "fts5parse.sql"
/******** End %stack_overflow code ********************************************/
   sqlite3Fts5ParserARG_STORE /* Suppress warning about unused %extra_argument var */
   sqlite3Fts5ParserCTX_STORE
}

/*
** Print tracing information for a SHIFT action
................................................................................
  (void)fts5yyLookahead;
  (void)fts5yyLookaheadToken;
  fts5yymsp = fts5yypParser->fts5yytos;
#ifndef NDEBUG
  if( fts5yyTraceFILE && fts5yyruleno<(int)(sizeof(fts5yyRuleName)/sizeof(fts5yyRuleName[0])) ){
    fts5yysize = fts5yyRuleInfoNRhs[fts5yyruleno];
    if( fts5yysize ){
      fprintf(fts5yyTraceFILE, "%sReduce %d [%s]%s, pop back to state %d.\n",
        fts5yyTracePrompt,
        fts5yyruleno, fts5yyRuleName[fts5yyruleno],
        fts5yyruleno<fts5YYNRULE_WITH_ACTION ? "" : " without external action",
        fts5yymsp[fts5yysize].stateno);
    }else{
      fprintf(fts5yyTraceFILE, "%sReduce %d [%s]%s.\n",
        fts5yyTracePrompt, fts5yyruleno, fts5yyRuleName[fts5yyruleno],
        fts5yyruleno<fts5YYNRULE_WITH_ACTION ? "" : " without external action");
    }
  }
#endif /* NDEBUG */

  /* Check that the stack is large enough to grow by a single entry
  ** if the RHS of the rule is empty.  This ensures that there is room
  ** enough on the stack to push the LHS value */
................................................................................
  **     break;
  */
/********** Begin reduce actions **********************************************/
        fts5YYMINORTYPE fts5yylhsminor;
      case 0: /* input ::= expr */
#line 82 "fts5parse.y"
{ sqlite3Fts5ParseFinished(pParse, fts5yymsp[0].minor.fts5yy24); }
#line 1049 "fts5parse.sql"
        break;
      case 1: /* colset ::= MINUS LCP colsetlist RCP */
#line 97 "fts5parse.y"
{ 
    fts5yymsp[-3].minor.fts5yy11 = sqlite3Fts5ParseColsetInvert(pParse, fts5yymsp[-1].minor.fts5yy11);
}
#line 1056 "fts5parse.sql"
        break;
      case 2: /* colset ::= LCP colsetlist RCP */
#line 100 "fts5parse.y"
{ fts5yymsp[-2].minor.fts5yy11 = fts5yymsp[-1].minor.fts5yy11; }
#line 1061 "fts5parse.sql"
        break;
      case 3: /* colset ::= STRING */
#line 101 "fts5parse.y"
{
  fts5yylhsminor.fts5yy11 = sqlite3Fts5ParseColset(pParse, 0, &fts5yymsp[0].minor.fts5yy0);
}
#line 1068 "fts5parse.sql"
  fts5yymsp[0].minor.fts5yy11 = fts5yylhsminor.fts5yy11;
        break;
      case 4: /* colset ::= MINUS STRING */
#line 104 "fts5parse.y"
{
  fts5yymsp[-1].minor.fts5yy11 = sqlite3Fts5ParseColset(pParse, 0, &fts5yymsp[0].minor.fts5yy0);
  fts5yymsp[-1].minor.fts5yy11 = sqlite3Fts5ParseColsetInvert(pParse, fts5yymsp[-1].minor.fts5yy11);
}
#line 1077 "fts5parse.sql"
        break;
      case 5: /* colsetlist ::= colsetlist STRING */
#line 109 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy11 = sqlite3Fts5ParseColset(pParse, fts5yymsp[-1].minor.fts5yy11, &fts5yymsp[0].minor.fts5yy0); }
#line 1083 "fts5parse.sql"
  fts5yymsp[-1].minor.fts5yy11 = fts5yylhsminor.fts5yy11;
        break;
      case 6: /* colsetlist ::= STRING */
#line 111 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy11 = sqlite3Fts5ParseColset(pParse, 0, &fts5yymsp[0].minor.fts5yy0); 
}
#line 1091 "fts5parse.sql"
  fts5yymsp[0].minor.fts5yy11 = fts5yylhsminor.fts5yy11;
        break;
      case 7: /* expr ::= expr AND expr */
#line 115 "fts5parse.y"
{
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_AND, fts5yymsp[-2].minor.fts5yy24, fts5yymsp[0].minor.fts5yy24, 0);
}
#line 1099 "fts5parse.sql"
  fts5yymsp[-2].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 8: /* expr ::= expr OR expr */
#line 118 "fts5parse.y"
{
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_OR, fts5yymsp[-2].minor.fts5yy24, fts5yymsp[0].minor.fts5yy24, 0);
}
#line 1107 "fts5parse.sql"
  fts5yymsp[-2].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 9: /* expr ::= expr NOT expr */
#line 121 "fts5parse.y"
{
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_NOT, fts5yymsp[-2].minor.fts5yy24, fts5yymsp[0].minor.fts5yy24, 0);
}
#line 1115 "fts5parse.sql"
  fts5yymsp[-2].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 10: /* expr ::= colset COLON LP expr RP */
#line 125 "fts5parse.y"
{
  sqlite3Fts5ParseSetColset(pParse, fts5yymsp[-1].minor.fts5yy24, fts5yymsp[-4].minor.fts5yy11);
  fts5yylhsminor.fts5yy24 = fts5yymsp[-1].minor.fts5yy24;
}
#line 1124 "fts5parse.sql"
  fts5yymsp[-4].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 11: /* expr ::= LP expr RP */
#line 129 "fts5parse.y"
{fts5yymsp[-2].minor.fts5yy24 = fts5yymsp[-1].minor.fts5yy24;}
#line 1130 "fts5parse.sql"
        break;
      case 12: /* expr ::= exprlist */
      case 13: /* exprlist ::= cnearset */ fts5yytestcase(fts5yyruleno==13);
#line 130 "fts5parse.y"
{fts5yylhsminor.fts5yy24 = fts5yymsp[0].minor.fts5yy24;}
#line 1136 "fts5parse.sql"
  fts5yymsp[0].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 14: /* exprlist ::= exprlist cnearset */
#line 133 "fts5parse.y"
{
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseImplicitAnd(pParse, fts5yymsp[-1].minor.fts5yy24, fts5yymsp[0].minor.fts5yy24);
}
#line 1144 "fts5parse.sql"
  fts5yymsp[-1].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 15: /* cnearset ::= nearset */
#line 137 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, fts5yymsp[0].minor.fts5yy46); 
}
#line 1152 "fts5parse.sql"
  fts5yymsp[0].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 16: /* cnearset ::= colset COLON nearset */
#line 140 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, fts5yymsp[0].minor.fts5yy46); 
  sqlite3Fts5ParseSetColset(pParse, fts5yylhsminor.fts5yy24, fts5yymsp[-2].minor.fts5yy11);
}
#line 1161 "fts5parse.sql"
  fts5yymsp[-2].minor.fts5yy24 = fts5yylhsminor.fts5yy24;
        break;
      case 17: /* nearset ::= phrase */
#line 151 "fts5parse.y"
{ fts5yylhsminor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, 0, fts5yymsp[0].minor.fts5yy53); }
#line 1167 "fts5parse.sql"
  fts5yymsp[0].minor.fts5yy46 = fts5yylhsminor.fts5yy46;
        break;
      case 18: /* nearset ::= CARET phrase */
#line 152 "fts5parse.y"
{ 
  sqlite3Fts5ParseSetCaret(fts5yymsp[0].minor.fts5yy53);
  fts5yymsp[-1].minor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, 0, fts5yymsp[0].minor.fts5yy53); 
}
#line 1176 "fts5parse.sql"
        break;
      case 19: /* nearset ::= STRING LP nearphrases neardist_opt RP */
#line 156 "fts5parse.y"
{
  sqlite3Fts5ParseNear(pParse, &fts5yymsp[-4].minor.fts5yy0);
  sqlite3Fts5ParseSetDistance(pParse, fts5yymsp[-2].minor.fts5yy46, &fts5yymsp[-1].minor.fts5yy0);
  fts5yylhsminor.fts5yy46 = fts5yymsp[-2].minor.fts5yy46;
}
#line 1185 "fts5parse.sql"
  fts5yymsp[-4].minor.fts5yy46 = fts5yylhsminor.fts5yy46;
        break;
      case 20: /* nearphrases ::= phrase */
#line 162 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, 0, fts5yymsp[0].minor.fts5yy53); 
}
#line 1193 "fts5parse.sql"
  fts5yymsp[0].minor.fts5yy46 = fts5yylhsminor.fts5yy46;
        break;
      case 21: /* nearphrases ::= nearphrases phrase */
#line 165 "fts5parse.y"
{
  fts5yylhsminor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, fts5yymsp[-1].minor.fts5yy46, fts5yymsp[0].minor.fts5yy53);
}
#line 1201 "fts5parse.sql"
  fts5yymsp[-1].minor.fts5yy46 = fts5yylhsminor.fts5yy46;
        break;
      case 22: /* neardist_opt ::= */
#line 172 "fts5parse.y"
{ fts5yymsp[1].minor.fts5yy0.p = 0; fts5yymsp[1].minor.fts5yy0.n = 0; }
#line 1207 "fts5parse.sql"
        break;
      case 23: /* neardist_opt ::= COMMA STRING */
#line 173 "fts5parse.y"
{ fts5yymsp[-1].minor.fts5yy0 = fts5yymsp[0].minor.fts5yy0; }
#line 1212 "fts5parse.sql"
        break;
      case 24: /* phrase ::= phrase PLUS STRING star_opt */
#line 185 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy53 = sqlite3Fts5ParseTerm(pParse, fts5yymsp[-3].minor.fts5yy53, &fts5yymsp[-1].minor.fts5yy0, fts5yymsp[0].minor.fts5yy4);
}
#line 1219 "fts5parse.sql"
  fts5yymsp[-3].minor.fts5yy53 = fts5yylhsminor.fts5yy53;
        break;
      case 25: /* phrase ::= STRING star_opt */
#line 188 "fts5parse.y"
{ 
  fts5yylhsminor.fts5yy53 = sqlite3Fts5ParseTerm(pParse, 0, &fts5yymsp[-1].minor.fts5yy0, fts5yymsp[0].minor.fts5yy4);
}
#line 1227 "fts5parse.sql"
  fts5yymsp[-1].minor.fts5yy53 = fts5yylhsminor.fts5yy53;
        break;
      case 26: /* star_opt ::= STAR */
#line 196 "fts5parse.y"
{ fts5yymsp[0].minor.fts5yy4 = 1; }
#line 1233 "fts5parse.sql"
        break;
      case 27: /* star_opt ::= */
#line 197 "fts5parse.y"
{ fts5yymsp[1].minor.fts5yy4 = 0; }
#line 1238 "fts5parse.sql"
        break;
      default:
        break;
/********** End reduce actions ************************************************/
  };
  assert( fts5yyruleno<sizeof(fts5yyRuleInfoLhs)/sizeof(fts5yyRuleInfoLhs[0]) );
  fts5yygoto = fts5yyRuleInfoLhs[fts5yyruleno];
................................................................................
/************ Begin %syntax_error code ****************************************/
#line 30 "fts5parse.y"

  UNUSED_PARAM(fts5yymajor); /* Silence a compiler warning */
  sqlite3Fts5ParseError(
    pParse, "fts5: syntax error near \"%.*s\"",FTS5TOKEN.n,FTS5TOKEN.p
  );
#line 1306 "fts5parse.sql"
/************ End %syntax_error code ******************************************/
  sqlite3Fts5ParserARG_STORE /* Suppress warning about unused %extra_argument variable */
  sqlite3Fts5ParserCTX_STORE
}

/*
** The following is executed when the parser accepts
................................................................................
*/
static int sqlite3Fts5ParserFallback(int iToken){
#ifdef fts5YYFALLBACK
  assert( iToken<(int)(sizeof(fts5yyFallback)/sizeof(fts5yyFallback[0])) );
  return fts5yyFallback[iToken];
#else
  (void)iToken;

  return 0;
#endif
}

#line 1 "fts5_aux.c"
/*
** 2014 May 31
**
** The author disclaims copyright to this source code.  In place of
................................................................................
#define FTS5_DEFAULT_PAGE_SIZE   4050
#define FTS5_DEFAULT_AUTOMERGE      4
#define FTS5_DEFAULT_USERMERGE      4
#define FTS5_DEFAULT_CRISISMERGE   16
#define FTS5_DEFAULT_HASHSIZE    (1024*1024)

/* Maximum allowed page size */
#define FTS5_MAX_PAGE_SIZE (64*1024)

static int fts5_iswhitespace(char x){
  return (x==' ');
}

static int fts5_isopenquote(char x){
  return (x=='"' || x=='\'' || x=='[' || x=='`');
................................................................................
  int iOut = 0;
  q = z[0];

  /* Set stack variable q to the close-quote character */
  assert( q=='[' || q=='\'' || q=='"' || q=='`' );
  if( q=='[' ) q = ']';  

  while( z[iIn] ){
    if( z[iIn]==q ){
      if( z[iIn+1]!=q ){
        /* Character iIn was the close quote. */
        iIn++;
        break;
      }else{
        /* Character iIn and iIn+1 form an escaped quote character. Skip
................................................................................
  int rc = SQLITE_OK;

  if( 0==sqlite3_stricmp(zKey, "pgsz") ){
    int pgsz = 0;
    if( SQLITE_INTEGER==sqlite3_value_numeric_type(pVal) ){
      pgsz = sqlite3_value_int(pVal);
    }
    if( pgsz<32 || pgsz>FTS5_MAX_PAGE_SIZE ){
      *pbBadkey = 1;
    }else{
      pConfig->pgsz = pgsz;
    }
  }

  else if( 0==sqlite3_stricmp(zKey, "hashsize") ){
................................................................................
    if( SQLITE_INTEGER==sqlite3_value_numeric_type(pVal) ){
      nCrisisMerge = sqlite3_value_int(pVal);
    }
    if( nCrisisMerge<0 ){
      *pbBadkey = 1;
    }else{
      if( nCrisisMerge<=1 ) nCrisisMerge = FTS5_DEFAULT_CRISISMERGE;
      if( nCrisisMerge>=FTS5_MAX_SEGMENT ) nCrisisMerge = FTS5_MAX_SEGMENT-1;
      pConfig->nCrisisMerge = nCrisisMerge;
    }
  }

  else if( 0==sqlite3_stricmp(zKey, "rank") ){
    const char *zIn = (const char*)sqlite3_value_text(pVal);
    char *zRank;
................................................................................
    sqlite3_result_error_nomem(pCtx);
    return;
  }
  azConfig[0] = 0;
  azConfig[1] = "main";
  azConfig[2] = "tbl";
  for(i=3; iArg<nArg; iArg++){
    const char *z = (const char*)sqlite3_value_text(apVal[iArg]);
    azConfig[i++] = (z ? z : "");
  }

  zExpr = (const char*)sqlite3_value_text(apVal[0]);
  if( zExpr==0 ) zExpr = "";

  rc = sqlite3Fts5ConfigParse(pGlobal, db, nConfig, azConfig, &pConfig, &zErr);
  if( rc==SQLITE_OK ){
    rc = sqlite3Fts5ExprNew(pConfig, pConfig->nCol, zExpr, &pExpr, &zErr);
  }
  if( rc==SQLITE_OK ){
    char *zText;
................................................................................
 ((i64)(height) << (FTS5_DATA_PAGE_B)) +                                       \
 ((i64)(pgno))                                                                 \
)

#define FTS5_SEGMENT_ROWID(segid, pgno)       fts5_dri(segid, 0, 0, pgno)
#define FTS5_DLIDX_ROWID(segid, height, pgno) fts5_dri(segid, 1, height, pgno)






#ifdef SQLITE_DEBUG
static int sqlite3Fts5Corrupt() { return SQLITE_CORRUPT_VTAB; }
#endif


/*
** Each time a blob is read from the %_data table, it is padded with this
................................................................................
  fts5GetVarint32(&pLeaf->p[pLeaf->szLeaf], ret);
  return ret;
}

/*
** Close the read-only blob handle, if it is open.
*/
static void sqlite3Fts5IndexCloseReader(Fts5Index *p){
  if( p->pReader ){
    sqlite3_blob *pReader = p->pReader;
    p->pReader = 0;
    sqlite3_blob_close(pReader);
  }
}

................................................................................
      ** is required.  */
      sqlite3_blob *pBlob = p->pReader;
      p->pReader = 0;
      rc = sqlite3_blob_reopen(pBlob, iRowid);
      assert( p->pReader==0 );
      p->pReader = pBlob;
      if( rc!=SQLITE_OK ){
        sqlite3Fts5IndexCloseReader(p);
      }
      if( rc==SQLITE_ABORT ) rc = SQLITE_OK;
    }

    /* If the blob handle is not open at this point, open it and seek 
    ** to the requested entry.  */
    if( p->pReader==0 && rc==SQLITE_OK ){
................................................................................

/*
** Commit data to disk.
*/
static int sqlite3Fts5IndexSync(Fts5Index *p){
  assert( p->rc==SQLITE_OK );
  fts5IndexFlush(p);
  sqlite3Fts5IndexCloseReader(p);
  return fts5IndexReturn(p);
}

/*
** Discard any data stored in the in-memory hash tables. Do not write it
** to the database. Additionally, assume that the contents of the %_data
** table may have changed on disk. So any in-memory caches of %_data 
** records must be invalidated.
*/
static int sqlite3Fts5IndexRollback(Fts5Index *p){
  sqlite3Fts5IndexCloseReader(p);
  fts5IndexDiscardData(p);
  fts5StructureInvalidate(p);
  /* assert( p->rc==SQLITE_OK ); */
  return SQLITE_OK;
}

/*
................................................................................
** The %_data table is completely empty when this function is called. This
** function populates it with the initial structure objects for each index,
** and the initial version of the "averages" record (a zero-byte blob).
*/
static int sqlite3Fts5IndexReinit(Fts5Index *p){
  Fts5Structure s;
  fts5StructureInvalidate(p);
  fts5IndexDiscardData(p);
  memset(&s, 0, sizeof(Fts5Structure));
  fts5DataWrite(p, FTS5_AVERAGES_ROWID, (const u8*)"", 0);
  fts5StructureWrite(p, &s);
  return fts5IndexReturn(p);
}

/*
................................................................................
  int nChar
){
  int n = 0;
  int i;
  for(i=0; i<nChar; i++){
    if( n>=nByte ) return 0;      /* Input contains fewer than nChar chars */
    if( (unsigned char)p[n++]>=0xc0 ){
      if( n>=nByte ) return 0;
      while( (p[n] & 0xc0)==0x80 ){
        n++;
        if( n>=nByte ){
          if( i+1==nChar ) break;
          return 0;
        }
      }
    }
  }
  return n;
}

/*
................................................................................
        if( pSeg->pLeaf ) pRet->xSetOutputs(pRet, pSeg);
      }
    }

    if( p->rc ){
      sqlite3Fts5IterClose((Fts5IndexIter*)pRet);
      pRet = 0;
      sqlite3Fts5IndexCloseReader(p);
    }

    *ppIter = (Fts5IndexIter*)pRet;
    sqlite3Fts5BufferFree(&buf);
  }
  return fts5IndexReturn(p);
}
................................................................................
** Close an iterator opened by an earlier call to sqlite3Fts5IndexQuery().
*/
static void sqlite3Fts5IterClose(Fts5IndexIter *pIndexIter){
  if( pIndexIter ){
    Fts5Iter *pIter = (Fts5Iter*)pIndexIter;
    Fts5Index *pIndex = pIter->pIndex;
    fts5MultiIterFree(pIter);
    sqlite3Fts5IndexCloseReader(pIndex);
  }
}

/*
** Read and decode the "averages" record from the database. 
**
** Parameter anSize must point to an array of size nCol, where nCol is
................................................................................
  }
  sqlite3Fts5IterClose(pIter);

  *pCksum = cksum;
  return rc;
}

/*
** Check if buffer z[], size n bytes, contains as series of valid utf-8
** encoded codepoints. If so, return 0. Otherwise, if the buffer does not
** contain valid utf-8, return non-zero.
*/
static int fts5TestUtf8(const char *z, int n){
  int i = 0;
  assert_nc( n>0 );
  while( i<n ){
    if( (z[i] & 0x80)==0x00 ){
      i++;
    }else
    if( (z[i] & 0xE0)==0xC0 ){
      if( i+1>=n || (z[i+1] & 0xC0)!=0x80 ) return 1;
      i += 2;
    }else
    if( (z[i] & 0xF0)==0xE0 ){
      if( i+2>=n || (z[i+1] & 0xC0)!=0x80 || (z[i+2] & 0xC0)!=0x80 ) return 1;
      i += 3;
    }else
    if( (z[i] & 0xF8)==0xF0 ){
      if( i+3>=n || (z[i+1] & 0xC0)!=0x80 || (z[i+2] & 0xC0)!=0x80 ) return 1;
      if( (z[i+2] & 0xC0)!=0x80 ) return 1;
      i += 3;
    }else{
      return 1;
    }
  }

  return 0;
}

/*
** This function is also purely an internal test. It does not contribute to 
** FTS functionality, or even the integrity-check, in any way.
*/
static void fts5TestTerm(
  Fts5Index *p, 
................................................................................

    /* If this is a prefix query, check that the results returned if the
    ** the index is disabled are the same. In both ASC and DESC order. 
    **
    ** This check may only be performed if the hash table is empty. This
    ** is because the hash table only supports a single scan query at
    ** a time, and the multi-iter loop from which this function is called
    ** is already performing such a scan. 
    **
    ** Also only do this if buffer zTerm contains nTerm bytes of valid
    ** utf-8. Otherwise, the last part of the buffer contents might contain
    ** a non-utf-8 sequence that happens to be a prefix of a valid utf-8
    ** character stored in the main fts index, which will cause the
    ** test to fail.  */
    if( p->nPendingData==0 && 0==fts5TestUtf8(zTerm, nTerm) ){
      if( iIdx>0 && rc==SQLITE_OK ){
        int f = flags|FTS5INDEX_QUERY_TEST_NOIDX;
        ck2 = 0;
        rc = fts5QueryCksum(p, iIdx, zTerm, nTerm, f, &ck2);
        if( rc==SQLITE_OK && ck1!=ck2 ) rc = FTS5_CORRUPT;
      }
      if( iIdx>0 && rc==SQLITE_OK ){
................................................................................
  int rc2;
  int iIdxPrevLeaf = pSeg->pgnoFirst-1;
  int iDlidxPrevLeaf = pSeg->pgnoLast;

  if( pSeg->pgnoFirst==0 ) return;

  fts5IndexPrepareStmt(p, &pStmt, sqlite3_mprintf(
      "SELECT segid, term, (pgno>>1), (pgno&1) FROM %Q.'%q_idx' WHERE segid=%d "
      "ORDER BY 1, 2",
      pConfig->zDb, pConfig->zName, pSeg->iSegid
  ));

  /* Iterate through the b-tree hierarchy.  */
  while( p->rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){
    i64 iRow;                     /* Rowid for this leaf */
    Fts5Data *pLeaf;              /* Data for this leaf */

    const char *zIdxTerm = (const char*)sqlite3_column_blob(pStmt, 1);
    int nIdxTerm = sqlite3_column_bytes(pStmt, 1);

    int iIdxLeaf = sqlite3_column_int(pStmt, 2);
    int bIdxDlidx = sqlite3_column_int(pStmt, 3);

    /* If the leaf in question has already been trimmed from the segment, 
    ** ignore this b-tree entry. Otherwise, load it into memory. */
    if( iIdxLeaf<pSeg->pgnoFirst ) continue;
    iRow = FTS5_SEGMENT_ROWID(pSeg->iSegid, iIdxLeaf);
................................................................................
      assert( iSavepoint<=p->ts.iSavepoint );
      p->ts.iSavepoint = iSavepoint-1;
      break;

    case FTS5_ROLLBACKTO:
      assert( p->ts.eState==1 );
      assert( iSavepoint>=-1 );
      /* The following assert() can fail if another vtab strikes an error
      ** within an xSavepoint() call then SQLite calls xRollbackTo() - without
      ** having called xSavepoint() on this vtab.  */
      /* assert( iSavepoint<=p->ts.iSavepoint ); */
      p->ts.iSavepoint = iSavepoint;
      break;
  }
}
#else
# define fts5CheckTransactionState(x,y,z)
#endif
................................................................................
  sqlite3_free(pCsr->apRankArg);

  if( CsrFlagTest(pCsr, FTS5CSR_FREE_ZRANK) ){
    sqlite3_free(pCsr->zRank);
    sqlite3_free(pCsr->zRankArgs);
  }

  sqlite3Fts5IndexCloseReader(pTab->p.pIndex);
  memset(&pCsr->ePlan, 0, sizeof(Fts5Cursor) - ((u8*)&pCsr->ePlan - (u8*)pCsr));
}


/*
** Close the cursor.  For additional information see the documentation
** on the xClose method of the virtual table interface.
................................................................................
      }
  
      case FTS5_PLAN_SORTED_MATCH: {
        rc = fts5SorterNext(pCsr);
        break;
      }
  
      default: {
        Fts5Config *pConfig = ((Fts5Table*)pCursor->pVtab)->pConfig;
        pConfig->bLock++;
        rc = sqlite3_step(pCsr->pStmt);
        pConfig->bLock--;
        if( rc!=SQLITE_ROW ){
          CsrFlagSet(pCsr, FTS5CSR_EOF);
          rc = sqlite3_reset(pCsr->pStmt);
          if( rc!=SQLITE_OK ){
            pCursor->pVtab->zErrMsg = sqlite3_mprintf(
                "%s", sqlite3_errmsg(pConfig->db)
            );
          }
        }else{
          rc = SQLITE_OK;
        }
        break;
      }
    }
  }
  
  return rc;
}


................................................................................
  sqlite3_value *pRowidLe = 0;    /* rowid <= ? expression (or NULL) */
  sqlite3_value *pRowidGe = 0;    /* rowid >= ? expression (or NULL) */
  int iCol;                       /* Column on LHS of MATCH operator */
  char **pzErrmsg = pConfig->pzErrmsg;
  int i;
  int iIdxStr = 0;
  Fts5Expr *pExpr = 0;

  if( pConfig->bLock ){
    pTab->p.base.zErrMsg = sqlite3_mprintf(
        "recursively defined fts5 content table"
    );
    return SQLITE_ERROR;
  }

  if( pCsr->ePlan ){
    fts5FreeCursorComponents(pCsr);
    memset(&pCsr->ePlan, 0, sizeof(Fts5Cursor) - ((u8*)&pCsr->ePlan-(u8*)pCsr));
  }

  assert( pCsr->pStmt==0 );
................................................................................
        pTab->pStorage, eStmt, &pCsr->pStmt, (bErrormsg?&pTab->p.base.zErrMsg:0)
    );
    assert( rc!=SQLITE_OK || pTab->p.base.zErrMsg==0 );
    assert( CsrFlagTest(pCsr, FTS5CSR_REQUIRE_CONTENT) );
  }

  if( rc==SQLITE_OK && CsrFlagTest(pCsr, FTS5CSR_REQUIRE_CONTENT) ){
    Fts5Table *pTab = (Fts5Table*)(pCsr->base.pVtab);
    assert( pCsr->pExpr );
    sqlite3_reset(pCsr->pStmt);
    sqlite3_bind_int64(pCsr->pStmt, 1, fts5CursorRowid(pCsr));
    pTab->pConfig->bLock++;
    rc = sqlite3_step(pCsr->pStmt);
    pTab->pConfig->bLock--;
    if( rc==SQLITE_ROW ){
      rc = SQLITE_OK;
      CsrFlagClear(pCsr, FTS5CSR_REQUIRE_CONTENT);
    }else{
      rc = sqlite3_reset(pCsr->pStmt);
      if( rc==SQLITE_OK ){
        rc = FTS5_CORRUPT;
      }else if( pTab->pConfig->pzErrmsg ){
        *pTab->pConfig->pzErrmsg = sqlite3_mprintf(
            "%s", sqlite3_errmsg(pTab->pConfig->db)
        );
      }
    }
  }
  return rc;
}

static void fts5SetVtabError(Fts5FullTable *p, const char *zFormat, ...){
................................................................................
     || pCsr->ePlan==FTS5_PLAN_SORTED_MATCH
    ){
      if( pCsr->pRank || SQLITE_OK==(rc = fts5FindRankFunction(pCsr)) ){
        fts5ApiInvoke(pCsr->pRank, pCsr, pCtx, pCsr->nRankArg, pCsr->apRankArg);
      }
    }
  }else if( !fts5IsContentless(pTab) ){
    pConfig->pzErrmsg = &pTab->p.base.zErrMsg;
    rc = fts5SeekCursor(pCsr, 1);
    if( rc==SQLITE_OK ){
      sqlite3_result_value(pCtx, sqlite3_column_value(pCsr->pStmt, iCol+1));
    }
    pConfig->pzErrmsg = 0;
  }
  return rc;
}


/*
** This routine implements the xFindFunction method for the FTS3
................................................................................
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2020-01-23 15:00:18 14331989fcaf6591336290ed1548e9c90f0f153e27f456f4c30c966f9c23aa6e", -1, SQLITE_TRANSIENT);
}

/*
** Return true if zName is the extension on one of the shadow tables used
** by this module.
*/
static int fts5ShadowName(const char *zName){
................................................................................

/*
** Delete all entries in the FTS5 index.
*/
static int sqlite3Fts5StorageDeleteAll(Fts5Storage *p){
  Fts5Config *pConfig = p->pConfig;
  int rc;

  p->bTotalsValid = 0;

  /* Delete the contents of the %_data and %_docsize tables. */
  rc = fts5ExecPrintf(pConfig->db, 0,
      "DELETE FROM %Q.'%q_data';" 
      "DELETE FROM %Q.'%q_idx';",
      pConfig->zDb, pConfig->zName,
      pConfig->zDb, pConfig->zName
................................................................................
    i64 iRowid = sqlite3_column_int64(pScan, 0);

    sqlite3Fts5BufferZero(&buf);
    rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 0, iRowid);
    for(ctx.iCol=0; rc==SQLITE_OK && ctx.iCol<pConfig->nCol; ctx.iCol++){
      ctx.szCol = 0;
      if( pConfig->abUnindexed[ctx.iCol]==0 ){
        const char *zText = (const char*)sqlite3_column_text(pScan, ctx.iCol+1);
        int nText = sqlite3_column_bytes(pScan, ctx.iCol+1);
        rc = sqlite3Fts5Tokenize(pConfig, 
            FTS5_TOKENIZE_DOCUMENT,


            zText, nText,
            (void*)&ctx,
            fts5StorageInsertCallback
        );
      }
      sqlite3Fts5BufferAppendVarint(&rc, &buf, ctx.szCol);
      p->aTotalSize[ctx.iCol] += (i64)ctx.szCol;
    }
................................................................................

  if( rc==SQLITE_OK ){
    rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 0, iRowid);
  }
  for(ctx.iCol=0; rc==SQLITE_OK && ctx.iCol<pConfig->nCol; ctx.iCol++){
    ctx.szCol = 0;
    if( pConfig->abUnindexed[ctx.iCol]==0 ){
      const char *zText = (const char*)sqlite3_value_text(apVal[ctx.iCol+2]);
      int nText = sqlite3_value_bytes(apVal[ctx.iCol+2]);
      rc = sqlite3Fts5Tokenize(pConfig, 
          FTS5_TOKENIZE_DOCUMENT,


          zText, nText,
          (void*)&ctx,
          fts5StorageInsertCallback
      );
    }
    sqlite3Fts5BufferAppendVarint(&rc, &buf, ctx.szCol);
    p->aTotalSize[ctx.iCol] += (i64)ctx.szCol;
  }
................................................................................
        if( pConfig->abUnindexed[i] ) continue;
        ctx.iCol = i;
        ctx.szCol = 0;
        if( pConfig->eDetail==FTS5_DETAIL_COLUMNS ){
          rc = sqlite3Fts5TermsetNew(&ctx.pTermset);
        }
        if( rc==SQLITE_OK ){
          const char *zText = (const char*)sqlite3_column_text(pScan, i+1);
          int nText = sqlite3_column_bytes(pScan, i+1);
          rc = sqlite3Fts5Tokenize(pConfig, 
              FTS5_TOKENIZE_DOCUMENT,


              zText, nText,
              (void*)&ctx,
              fts5StorageIntegrityCallback
          );
        }
        if( rc==SQLITE_OK && pConfig->bColumnsize && ctx.szCol!=aColSize[i] ){
          rc = FTS5_CORRUPT;
        }

Changes to SQLite.Interop/src/ext/json1.c.

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){
  JsonString s;
  jsonInit(&s, pCtx);
  jsonRenderNode(pNode, &s, aReplace);
  jsonResult(&s);
  sqlite3_result_subtype(pCtx, JSON_SUBTYPE);
}
































/*
** Make the JsonNode the return value of the function.
*/
static void jsonReturn(
  JsonNode *pNode,            /* Node to return */
  sqlite3_context *pCtx,      /* Return value for this function */
................................................................................
        for(i=1, j=0; i<n-1; i++){
          char c = z[i];
          if( c!='\\' ){
            zOut[j++] = c;
          }else{
            c = z[++i];
            if( c=='u' ){
              u32 v = 0, k;
              for(k=0; k<4; i++, k++){
                assert( i<n-2 );
                c = z[i+1];
                assert( safe_isxdigit(c) );
                if( c<='9' ) v = v*16 + c - '0';
                else if( c<='F' ) v = v*16 + c - 'A' + 10;
                else v = v*16 + c - 'a' + 10;
              }
              if( v==0 ) break;
              if( v<=0x7f ){
                zOut[j++] = (char)v;
              }else if( v<=0x7ff ){
                zOut[j++] = (char)(0xc0 | (v>>6));
                zOut[j++] = 0x80 | (v&0x3f);
              }else{















                zOut[j++] = (char)(0xe0 | (v>>12));
                zOut[j++] = 0x80 | ((v>>6)&0x3f);
                zOut[j++] = 0x80 | (v&0x3f);

              }
            }else{
              if( c=='b' ){
                c = '\b';
              }else if( c=='f' ){
                c = '\f';
              }else if( c=='n' ){
................................................................................
        pRoot = &pParse->aNode[iRoot];
        pRoot->u.iAppend = iStart - iRoot;
        pRoot->jnFlags |= JNODE_APPEND;
        pParse->aNode[iLabel].jnFlags |= JNODE_RAW;
      }
      return pNode;
    }
  }else if( zPath[0]=='[' && safe_isdigit(zPath[1]) ){
    if( pRoot->eType!=JSON_ARRAY ) return 0;
    i = 0;
    j = 1;
    while( safe_isdigit(zPath[j]) ){
      i = i*10 + zPath[j] - '0';
      j++;
    }


























    if( zPath[j]!=']' ){
      *pzErr = zPath;
      return 0;
    }






    zPath += j + 1;
    j = 1;
    for(;;){
      while( j<=pRoot->n && (i>0 || (pRoot[j].jnFlags & JNODE_REMOVE)!=0) ){
        if( (pRoot[j].jnFlags & JNODE_REMOVE)==0 ) i--;
        j += jsonNodeSize(&pRoot[j]);
      }
................................................................................
  rc = sqlite3_declare_vtab(db, 
     "CREATE TABLE x(key,value,type,atom,id,parent,fullkey,path,"
                    "json HIDDEN,root HIDDEN)");
  if( rc==SQLITE_OK ){
    pNew = *ppVtab = sqlite3_malloc( sizeof(*pNew) );
    if( pNew==0 ) return SQLITE_NOMEM;
    memset(pNew, 0, sizeof(*pNew));

  }
  return rc;
}

/* destructor for json_each virtual table */
static int jsonEachDisconnect(sqlite3_vtab *pVtab){
  sqlite3_free(pVtab);
................................................................................
     const char *zName;
     sqlite3_module *pModule;
  } aMod[] = {
    { "json_each",            &jsonEachModule               },
    { "json_tree",            &jsonTreeModule               },
  };
#endif




  for(i=0; i<sizeof(aFunc)/sizeof(aFunc[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_function(db, aFunc[i].zName, aFunc[i].nArg,
                                 SQLITE_UTF8 | SQLITE_DETERMINISTIC,
                                 (void*)&aFunc[i].flag,
                                 aFunc[i].xFunc, 0, 0);
  }
#ifndef SQLITE_OMIT_WINDOWFUNC
  for(i=0; i<sizeof(aAgg)/sizeof(aAgg[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_window_function(db, aAgg[i].zName, aAgg[i].nArg,
                SQLITE_SUBTYPE | SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
                                 aAgg[i].xStep, aAgg[i].xFinal,
                                 aAgg[i].xValue, jsonGroupInverse, 0);
  }
#endif
#ifndef SQLITE_OMIT_VIRTUALTABLE
  for(i=0; i<sizeof(aMod)/sizeof(aMod[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_module(db, aMod[i].zName, aMod[i].pModule, 0);







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){
  JsonString s;
  jsonInit(&s, pCtx);
  jsonRenderNode(pNode, &s, aReplace);
  jsonResult(&s);
  sqlite3_result_subtype(pCtx, JSON_SUBTYPE);
}

/*
** Translate a single byte of Hex into an integer.
** This routine only works if h really is a valid hexadecimal
** character:  0..9a..fA..F
*/
static u8 jsonHexToInt(int h){
  assert( (h>='0' && h<='9') ||  (h>='a' && h<='f') ||  (h>='A' && h<='F') );
#ifdef SQLITE_EBCDIC
  h += 9*(1&~(h>>4));
#else
  h += 9*(1&(h>>6));
#endif
  return (u8)(h & 0xf);
}

/*
** Convert a 4-byte hex string into an integer
*/
static u32 jsonHexToInt4(const char *z){
  u32 v;
  assert( safe_isxdigit(z[0]) );
  assert( safe_isxdigit(z[1]) );
  assert( safe_isxdigit(z[2]) );
  assert( safe_isxdigit(z[3]) );
  v = (jsonHexToInt(z[0])<<12)
    + (jsonHexToInt(z[1])<<8)
    + (jsonHexToInt(z[2])<<4)
    + jsonHexToInt(z[3]);
  return v;
}

/*
** Make the JsonNode the return value of the function.
*/
static void jsonReturn(
  JsonNode *pNode,            /* Node to return */
  sqlite3_context *pCtx,      /* Return value for this function */
................................................................................
        for(i=1, j=0; i<n-1; i++){
          char c = z[i];
          if( c!='\\' ){
            zOut[j++] = c;
          }else{
            c = z[++i];
            if( c=='u' ){
              u32 v = jsonHexToInt4(z+i+1);
              i += 4;







              if( v==0 ) break;
              if( v<=0x7f ){
                zOut[j++] = (char)v;
              }else if( v<=0x7ff ){
                zOut[j++] = (char)(0xc0 | (v>>6));
                zOut[j++] = 0x80 | (v&0x3f);
              }else{
                u32 vlo;
                if( (v&0xfc00)==0xd800
                  && i<n-6
                  && z[i+1]=='\\'
                  && z[i+2]=='u'
                  && ((vlo = jsonHexToInt4(z+i+3))&0xfc00)==0xdc00
                ){
                  /* We have a surrogate pair */
                  v = ((v&0x3ff)<<10) + (vlo&0x3ff) + 0x10000;
                  i += 6;
                  zOut[j++] = 0xf0 | (v>>18);
                  zOut[j++] = 0x80 | ((v>>12)&0x3f);
                  zOut[j++] = 0x80 | ((v>>6)&0x3f);
                  zOut[j++] = 0x80 | (v&0x3f);
                }else{
                  zOut[j++] = 0xe0 | (v>>12);
                  zOut[j++] = 0x80 | ((v>>6)&0x3f);
                  zOut[j++] = 0x80 | (v&0x3f);
                }
              }
            }else{
              if( c=='b' ){
                c = '\b';
              }else if( c=='f' ){
                c = '\f';
              }else if( c=='n' ){
................................................................................
        pRoot = &pParse->aNode[iRoot];
        pRoot->u.iAppend = iStart - iRoot;
        pRoot->jnFlags |= JNODE_APPEND;
        pParse->aNode[iLabel].jnFlags |= JNODE_RAW;
      }
      return pNode;
    }
  }else if( zPath[0]=='[' ){

    i = 0;
    j = 1;
    while( safe_isdigit(zPath[j]) ){
      i = i*10 + zPath[j] - '0';
      j++;
    }
    if( j<2 || zPath[j]!=']' ){
      if( zPath[1]=='#' ){
        JsonNode *pBase = pRoot;
        int iBase = iRoot;
        if( pRoot->eType!=JSON_ARRAY ) return 0;
        for(;;){
          while( j<=pBase->n ){
            if( (pBase[j].jnFlags & JNODE_REMOVE)==0 ) i++;
            j += jsonNodeSize(&pBase[j]);
          }
          if( (pBase->jnFlags & JNODE_APPEND)==0 ) break;
          iBase += pBase->u.iAppend;
          pBase = &pParse->aNode[iBase];
          j = 1;
        }
        j = 2;
        if( zPath[2]=='-' && safe_isdigit(zPath[3]) ){
          unsigned int x = 0;
          j = 3;
          do{
            x = x*10 + zPath[j] - '0';
            j++;
          }while( safe_isdigit(zPath[j]) );
          if( x>i ) return 0;
          i -= x;
        }
        if( zPath[j]!=']' ){
          *pzErr = zPath;
          return 0;
        }
      }else{
        *pzErr = zPath;
        return 0;
      }
    }
    if( pRoot->eType!=JSON_ARRAY ) return 0;
    zPath += j + 1;
    j = 1;
    for(;;){
      while( j<=pRoot->n && (i>0 || (pRoot[j].jnFlags & JNODE_REMOVE)!=0) ){
        if( (pRoot[j].jnFlags & JNODE_REMOVE)==0 ) i--;
        j += jsonNodeSize(&pRoot[j]);
      }
................................................................................
  rc = sqlite3_declare_vtab(db, 
     "CREATE TABLE x(key,value,type,atom,id,parent,fullkey,path,"
                    "json HIDDEN,root HIDDEN)");
  if( rc==SQLITE_OK ){
    pNew = *ppVtab = sqlite3_malloc( sizeof(*pNew) );
    if( pNew==0 ) return SQLITE_NOMEM;
    memset(pNew, 0, sizeof(*pNew));
    sqlite3_vtab_config(db, SQLITE_VTAB_INNOCUOUS);
  }
  return rc;
}

/* destructor for json_each virtual table */
static int jsonEachDisconnect(sqlite3_vtab *pVtab){
  sqlite3_free(pVtab);
................................................................................
     const char *zName;
     sqlite3_module *pModule;
  } aMod[] = {
    { "json_each",            &jsonEachModule               },
    { "json_tree",            &jsonTreeModule               },
  };
#endif
  static const int enc = 
       SQLITE_UTF8 |
       SQLITE_DETERMINISTIC |
       SQLITE_INNOCUOUS;
  for(i=0; i<sizeof(aFunc)/sizeof(aFunc[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_function(db, aFunc[i].zName, aFunc[i].nArg, enc,

                                 (void*)&aFunc[i].flag,
                                 aFunc[i].xFunc, 0, 0);
  }
#ifndef SQLITE_OMIT_WINDOWFUNC
  for(i=0; i<sizeof(aAgg)/sizeof(aAgg[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_window_function(db, aAgg[i].zName, aAgg[i].nArg,
                                 SQLITE_SUBTYPE | enc, 0,
                                 aAgg[i].xStep, aAgg[i].xFinal,
                                 aAgg[i].xValue, jsonGroupInverse, 0);
  }
#endif
#ifndef SQLITE_OMIT_VIRTUALTABLE
  for(i=0; i<sizeof(aMod)/sizeof(aMod[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_module(db, aMod[i].zName, aMod[i].pModule, 0);

Changes to SQLite.Interop/src/ext/percentile.c.

209
210
211
212
213
214
215
216

217
218
219
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  int rc = SQLITE_OK;
  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */
  rc = sqlite3_create_function(db, "percentile", 2, SQLITE_UTF8, 0,

                               0, percentStep, percentFinal);
  return rc;
}







|
>



209
210
211
212
213
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215
216
217
218
219
220
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  int rc = SQLITE_OK;
  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */
  rc = sqlite3_create_function(db, "percentile", 2, 
                               SQLITE_UTF8|SQLITE_INNOCUOUS, 0,
                               0, percentStep, percentFinal);
  return rc;
}

Changes to SQLite.Interop/src/ext/regexp.c.

152
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157
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164
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166
...
750
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758
759
760
    if( (c&0xe0)==0xc0 && p->i<p->mx && (p->z[p->i]&0xc0)==0x80 ){
      c = (c&0x1f)<<6 | (p->z[p->i++]&0x3f);
      if( c<0x80 ) c = 0xfffd;
    }else if( (c&0xf0)==0xe0 && p->i+1<p->mx && (p->z[p->i]&0xc0)==0x80
           && (p->z[p->i+1]&0xc0)==0x80 ){
      c = (c&0x0f)<<12 | ((p->z[p->i]&0x3f)<<6) | (p->z[p->i+1]&0x3f);
      p->i += 2;
      if( c<=0x3ff || (c>=0xd800 && c<=0xdfff) ) c = 0xfffd;
    }else if( (c&0xf8)==0xf0 && p->i+3<p->mx && (p->z[p->i]&0xc0)==0x80
           && (p->z[p->i+1]&0xc0)==0x80 && (p->z[p->i+2]&0xc0)==0x80 ){
      c = (c&0x07)<<18 | ((p->z[p->i]&0x3f)<<12) | ((p->z[p->i+1]&0x3f)<<6)
                       | (p->z[p->i+2]&0x3f);
      p->i += 3;
      if( c<=0xffff || c>0x10ffff ) c = 0xfffd;
    }else{
................................................................................
int sqlite3_regexp_init(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  int rc = SQLITE_OK;
  SQLITE_EXTENSION_INIT2(pApi);
  rc = sqlite3_create_function(db, "regexp", 2, SQLITE_UTF8, 0,
                                 re_sql_func, 0, 0);
  return rc;
}







|







 







|
|


152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
...
750
751
752
753
754
755
756
757
758
759
760
    if( (c&0xe0)==0xc0 && p->i<p->mx && (p->z[p->i]&0xc0)==0x80 ){
      c = (c&0x1f)<<6 | (p->z[p->i++]&0x3f);
      if( c<0x80 ) c = 0xfffd;
    }else if( (c&0xf0)==0xe0 && p->i+1<p->mx && (p->z[p->i]&0xc0)==0x80
           && (p->z[p->i+1]&0xc0)==0x80 ){
      c = (c&0x0f)<<12 | ((p->z[p->i]&0x3f)<<6) | (p->z[p->i+1]&0x3f);
      p->i += 2;
      if( c<=0x7ff || (c>=0xd800 && c<=0xdfff) ) c = 0xfffd;
    }else if( (c&0xf8)==0xf0 && p->i+3<p->mx && (p->z[p->i]&0xc0)==0x80
           && (p->z[p->i+1]&0xc0)==0x80 && (p->z[p->i+2]&0xc0)==0x80 ){
      c = (c&0x07)<<18 | ((p->z[p->i]&0x3f)<<12) | ((p->z[p->i+1]&0x3f)<<6)
                       | (p->z[p->i+2]&0x3f);
      p->i += 3;
      if( c<=0xffff || c>0x10ffff ) c = 0xfffd;
    }else{
................................................................................
int sqlite3_regexp_init(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  int rc = SQLITE_OK;
  SQLITE_EXTENSION_INIT2(pApi);
  rc = sqlite3_create_function(db, "regexp", 2, SQLITE_UTF8|SQLITE_INNOCUOUS,
                               0, re_sql_func, 0, 0);
  return rc;
}

Changes to SQLite.Interop/src/ext/sha1.c.

35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
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59
60
61
62
63
64
65
66
67
...
393
394
395
396
397
398
399
400
401
402
403

404
405
406
407
typedef struct SHA1Context SHA1Context;
struct SHA1Context {
  unsigned int state[5];
  unsigned int count[2];
  unsigned char buffer[64];
};


#if __GNUC__ && (defined(__i386__) || defined(__x86_64__))
/*
 * GCC by itself only generates left rotates.  Use right rotates if
 * possible to be kinder to dinky implementations with iterative rotate
 * instructions.
 */
#define SHA_ROT(op, x, k) \
        ({ unsigned int y; asm(op " %1,%0" : "=r" (y) : "I" (k), "0" (x)); y; })
#define rol(x,k) SHA_ROT("roll", x, k)
#define ror(x,k) SHA_ROT("rorl", x, k)

#else
/* Generic C equivalent */
#define SHA_ROT(x,l,r) ((x) << (l) | (x) >> (r))
#define rol(x,k) SHA_ROT(x,k,32-(k))
#define ror(x,k) SHA_ROT(x,32-(k),k)
#endif


#define blk0le(i) (block[i] = (ror(block[i],8)&0xFF00FF00) \
    |(rol(block[i],8)&0x00FF00FF))
#define blk0be(i) block[i]
#define blk(i) (block[i&15] = rol(block[(i+13)&15]^block[(i+8)&15] \
    ^block[(i+2)&15]^block[i&15],1))

................................................................................
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pApi
){
  int rc = SQLITE_OK;
  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */
  rc = sqlite3_create_function(db, "sha1", 1, SQLITE_UTF8, 0,
                               sha1Func, 0, 0);
  if( rc==SQLITE_OK ){
    rc = sqlite3_create_function(db, "sha1_query", 1, SQLITE_UTF8, 0,

                                 sha1QueryFunc, 0, 0);
  }
  return rc;
}







<
<
<
<
<
<
<
<
<
<
<
<
<
<



<
<







 







|


|
>




35
36
37
38
39
40
41














42
43
44


45
46
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48
49
50
51
...
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
typedef struct SHA1Context SHA1Context;
struct SHA1Context {
  unsigned int state[5];
  unsigned int count[2];
  unsigned char buffer[64];
};















#define SHA_ROT(x,l,r) ((x) << (l) | (x) >> (r))
#define rol(x,k) SHA_ROT(x,k,32-(k))
#define ror(x,k) SHA_ROT(x,32-(k),k)



#define blk0le(i) (block[i] = (ror(block[i],8)&0xFF00FF00) \
    |(rol(block[i],8)&0x00FF00FF))
#define blk0be(i) block[i]
#define blk(i) (block[i&15] = rol(block[(i+13)&15]^block[(i+8)&15] \
    ^block[(i+2)&15]^block[i&15],1))

................................................................................
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pApi
){
  int rc = SQLITE_OK;
  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */
  rc = sqlite3_create_function(db, "sha1", 1, SQLITE_UTF8|SQLITE_INNOCUOUS, 0,
                               sha1Func, 0, 0);
  if( rc==SQLITE_OK ){
    rc = sqlite3_create_function(db, "sha1_query", 1, 
                                 SQLITE_UTF8|SQLITE_DIRECTONLY, 0,
                                 sha1QueryFunc, 0, 0);
  }
  return rc;
}

Changes to SQLite.Interop/src/ext/totype.c.

498
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500
501
502
503
504
505

506
507
508

509
510
511
512
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pApi
){
  int rc = SQLITE_OK;
  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */
  rc = sqlite3_create_function(db, "tointeger", 1, SQLITE_UTF8, 0,

                               tointegerFunc, 0, 0);
  if( rc==SQLITE_OK ){
    rc = sqlite3_create_function(db, "toreal", 1, SQLITE_UTF8, 0,

                                 torealFunc, 0, 0);
  }
  return rc;
}







|
>
|

|
>
|



498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pApi
){
  int rc = SQLITE_OK;
  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */
  rc = sqlite3_create_function(db, "tointeger", 1,
        SQLITE_UTF8 | SQLITE_DETERMINISTIC | SQLITE_INNOCUOUS, 0,
        tointegerFunc, 0, 0);
  if( rc==SQLITE_OK ){
    rc = sqlite3_create_function(db, "toreal", 1,
        SQLITE_UTF8 | SQLITE_DETERMINISTIC | SQLITE_INNOCUOUS, 0,
        torealFunc, 0, 0);
  }
  return rc;
}

Changes to SQLite.Interop/src/generic/interop.c.

15
16
17
18
19
20
21




22
23
24
25
26
27
28
#ifndef SQLITE_ENABLE_SESSION
#define SQLITE_ENABLE_SESSION (1)
#endif
#ifndef SQLITE_ENABLE_PREUPDATE_HOOK
#define SQLITE_ENABLE_PREUPDATE_HOOK (1)
#endif
#endif





#if defined(INTEROP_INCLUDE_SEE)
#include "../ext/see-prefix.txt"
#endif

#include "../core/sqlite3.c"








>
>
>
>







15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
#ifndef SQLITE_ENABLE_SESSION
#define SQLITE_ENABLE_SESSION (1)
#endif
#ifndef SQLITE_ENABLE_PREUPDATE_HOOK
#define SQLITE_ENABLE_PREUPDATE_HOOK (1)
#endif
#endif

#ifndef SQLITE_MAX_ATTACHED
#define SQLITE_MAX_ATTACHED 30
#endif

#if defined(INTEROP_INCLUDE_SEE)
#include "../ext/see-prefix.txt"
#endif

#include "../core/sqlite3.c"

Changes to System.Data.SQLite/SQLite3.cs.

2879
2880
2881
2882
2883
2884
2885
2886

2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898

2899
2900
2901
2902
2903
2904
2905
....
2975
2976
2977
2978
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2980
2981
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2984
2985
2986
2987
2988
2989
2990
....
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2994
2995
2996
2997
2998
2999
3000


3001
3002
3003
3004
3005
3006
3007
....
3204
3205
3206
3207
3208
3209
3210


3211
3212
3213
3214
3215
3216
3217
        }
#else
        //
        // TODO: Update this list if the available values in the
        //       "SQLiteConfigDbOpsEnum" enumeration change.
        //
        builder.AppendFormat(CultureInfo.InvariantCulture,
            "{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, {10}, {11}",

            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_LOOKASIDE_USED,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_CACHE_USED,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_SCHEMA_USED,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_STMT_USED,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_LOOKASIDE_HIT,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_CACHE_HIT,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_CACHE_MISS,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_CACHE_WRITE,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_DEFERRED_FKS,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_CACHE_USED_SHARED);

#endif

        return builder.ToString();
    }

    /// <summary>
    /// Builds an error message string fragment containing the
................................................................................
        }
#else
        //
        // TODO: Update this list if the available values in the
        //       "SQLiteConfigDbOpsEnum" enumeration change.
        //
        builder.AppendFormat(CultureInfo.InvariantCulture,
            "{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, " +
            "{9}, {10}, {11}, {12}, {13}, {14}, {15}, {16}",
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_NONE,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_MAINDBNAME,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_LOOKASIDE,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_FKEY,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_TRIGGER,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION,
................................................................................
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_TRIGGER_EQP,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_RESET_DATABASE,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DEFENSIVE,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_WRITABLE_SCHEMA,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_LEGACY_ALTER_TABLE,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DQS_DML,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DQS_DDL,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_VIEW);


#endif

        return builder.ToString();
    }

    /// <summary>
    /// Returns the current and/or highwater values for the specified
................................................................................
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_RESET_DATABASE: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DEFENSIVE: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_WRITABLE_SCHEMA: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_LEGACY_ALTER_TABLE: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DQS_DML: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DQS_DDL: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_VIEW: // int int*


                {
                    if (!(value is bool))
                    {
                        throw new SQLiteException(HelperMethods.StringFormat(
                            CultureInfo.CurrentCulture,
                            "configuration value type mismatch, must be of type {0}",
                            typeof(bool)));







|
>











|
>







 







|
|







 







|
>
>







 







>
>







2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
....
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
....
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
....
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
        }
#else
        //
        // TODO: Update this list if the available values in the
        //       "SQLiteConfigDbOpsEnum" enumeration change.
        //
        builder.AppendFormat(CultureInfo.InvariantCulture,
            "{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, " +
            "{10}, {11}, {12}",
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_LOOKASIDE_USED,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_CACHE_USED,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_SCHEMA_USED,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_STMT_USED,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_LOOKASIDE_HIT,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_CACHE_HIT,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_CACHE_MISS,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_CACHE_WRITE,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_DEFERRED_FKS,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_CACHE_USED_SHARED,
            SQLiteStatusOpsEnum.SQLITE_DBSTATUS_CACHE_SPILL);
#endif

        return builder.ToString();
    }

    /// <summary>
    /// Builds an error message string fragment containing the
................................................................................
        }
#else
        //
        // TODO: Update this list if the available values in the
        //       "SQLiteConfigDbOpsEnum" enumeration change.
        //
        builder.AppendFormat(CultureInfo.InvariantCulture,
            "{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, " +
            "{10}, {11}, {12}, {13}, {14}, {15}, {16}, {17}, {18}",
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_NONE,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_MAINDBNAME,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_LOOKASIDE,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_FKEY,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_TRIGGER,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION,
................................................................................
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_TRIGGER_EQP,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_RESET_DATABASE,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DEFENSIVE,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_WRITABLE_SCHEMA,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_LEGACY_ALTER_TABLE,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DQS_DML,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DQS_DDL,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_VIEW,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_LEGACY_FILE_FORMAT,
            SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_TRUSTED_SCHEMA);
#endif

        return builder.ToString();
    }

    /// <summary>
    /// Returns the current and/or highwater values for the specified
................................................................................
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_RESET_DATABASE: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DEFENSIVE: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_WRITABLE_SCHEMA: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_LEGACY_ALTER_TABLE: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DQS_DML: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_DQS_DDL: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_ENABLE_VIEW: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_LEGACY_FILE_FORMAT: // int int*
            case SQLiteConfigDbOpsEnum.SQLITE_DBCONFIG_TRUSTED_SCHEMA: // int int*
                {
                    if (!(value is bool))
                    {
                        throw new SQLiteException(HelperMethods.StringFormat(
                            CultureInfo.CurrentCulture,
                            "configuration value type mismatch, must be of type {0}",
                            typeof(bool)));

Changes to System.Data.SQLite/SQLiteBase.cs.

1536
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1541
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1709
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      /// the pager caches associated with the database connection are
      /// shared, this request returns the same value as DBSTATUS_CACHE_USED.
      /// Or, if one or more or the pager caches are shared, the value
      /// returned by this call will be smaller than that returned by
      /// DBSTATUS_CACHE_USED. The highwater mark associated with
      /// SQLITE_DBSTATUS_CACHE_USED_SHARED is always 0.
      /// </summary>
      SQLITE_DBSTATUS_CACHE_USED_SHARED = 11











  }

  /// <summary>
  /// These are the supported configuration verbs for use with the native
  /// SQLite library.  They are used with the
  /// <see cref="SQLiteConnection.SetConfigurationOption" /> method.
  /// </summary>
................................................................................
      /// INDEX.
      /// </summary>
      SQLITE_DBCONFIG_DQS_DDL = 1014, // int int*

      /// <summary>
      /// This option is used to enable or disable CREATE VIEW.
      /// </summary>
      SQLITE_DBCONFIG_ENABLE_VIEW = 1015 // int int*





























  }

  // These are the options to the internal sqlite3_config call.
  internal enum SQLiteConfigOpsEnum
  {
    SQLITE_CONFIG_NONE = 0, // nil
    SQLITE_CONFIG_SINGLETHREAD = 1, // nil
................................................................................
    SQLITE_CONFIG_PCACHE2 = 18, // sqlite3_pcache_methods2*
    SQLITE_CONFIG_GETPCACHE2 = 19, // sqlite3_pcache_methods2*
    SQLITE_CONFIG_COVERING_INDEX_SCAN = 20, // int
    SQLITE_CONFIG_SQLLOG = 21, // xSqllog, void*
    SQLITE_CONFIG_MMAP_SIZE = 22, // sqlite3_int64, sqlite3_int64
    SQLITE_CONFIG_WIN32_HEAPSIZE = 23, // int nByte
    SQLITE_CONFIG_PCACHE_HDRSZ = 24, // int *psz
    SQLITE_CONFIG_PMASZ = 25 // unsigned int szPma




  }

  /// <summary>
  /// These constants are used with the sqlite3_trace_v2() API and the
  /// callbacks registered by it.
  /// </summary>
  [Flags()]







|
>
>
>
>
>
>
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>







 







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>







 







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1536
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....
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      /// the pager caches associated with the database connection are
      /// shared, this request returns the same value as DBSTATUS_CACHE_USED.
      /// Or, if one or more or the pager caches are shared, the value
      /// returned by this call will be smaller than that returned by
      /// DBSTATUS_CACHE_USED. The highwater mark associated with
      /// SQLITE_DBSTATUS_CACHE_USED_SHARED is always 0.
      /// </summary>
      SQLITE_DBSTATUS_CACHE_USED_SHARED = 11,

      /// <summary>
      /// This parameter returns the number of dirty cache entries that have
      /// been written to disk in the middle of a transaction due to the page
      /// cache overflowing. Transactions are more efficient if they are
      /// written to disk all at once. When pages spill mid-transaction, that
      /// introduces additional overhead. This parameter can be used help
      /// identify inefficiencies that can be resolved by increasing the cache
      /// size.
      /// </summary>
      SQLITE_DBSTATUS_CACHE_SPILL = 12
  }

  /// <summary>
  /// These are the supported configuration verbs for use with the native
  /// SQLite library.  They are used with the
  /// <see cref="SQLiteConnection.SetConfigurationOption" /> method.
  /// </summary>
................................................................................
      /// INDEX.
      /// </summary>
      SQLITE_DBCONFIG_DQS_DDL = 1014, // int int*

      /// <summary>
      /// This option is used to enable or disable CREATE VIEW.
      /// </summary>
      SQLITE_DBCONFIG_ENABLE_VIEW = 1015, // int int*

      /// <summary>
      /// This option activates or deactivates the legacy file format flag.
      /// </summary>
      SQLITE_DBCONFIG_LEGACY_FILE_FORMAT = 1016, // int int*

      /// <summary>
      /// This option tells SQLite to assume that database schemas (i.e. the
      /// contents of the sqlite_master tables) are untainted by malicious
      /// content.  When the trusted schema option is disabled, SQLite takes
      /// additional defensive steps to protect the application from harm
      /// including:
      /// <![CDATA[<ul>]]>
      /// <![CDATA[<li>]]>
      /// Prohibit the use of SQL functions inside triggers, views, CHECK
      /// constraints, DEFAULT clauses, expression indexes, partial indexes,
      /// or generated columns unless those functions are tagged with
      /// SQLITE_INNOCUOUS.
      /// <![CDATA[</li>]]>
      /// <![CDATA[<li>]]>
      /// Prohibit the use of virtual tables inside of triggers or views
      /// unless those virtual tables are tagged with SQLITE_VTAB_INNOCUOUS.
      /// <![CDATA[</ul>]]>
      /// This setting defaults to "on" for legacy compatibility, however
      /// all applications are advised to turn it off if possible.  This
      /// setting can also be controlled using the PRAGMA trusted_schema
      /// statement.
      /// </summary>
      SQLITE_DBCONFIG_TRUSTED_SCHEMA = 1017 // int int*
  }

  // These are the options to the internal sqlite3_config call.
  internal enum SQLiteConfigOpsEnum
  {
    SQLITE_CONFIG_NONE = 0, // nil
    SQLITE_CONFIG_SINGLETHREAD = 1, // nil
................................................................................
    SQLITE_CONFIG_PCACHE2 = 18, // sqlite3_pcache_methods2*
    SQLITE_CONFIG_GETPCACHE2 = 19, // sqlite3_pcache_methods2*
    SQLITE_CONFIG_COVERING_INDEX_SCAN = 20, // int
    SQLITE_CONFIG_SQLLOG = 21, // xSqllog, void*
    SQLITE_CONFIG_MMAP_SIZE = 22, // sqlite3_int64, sqlite3_int64
    SQLITE_CONFIG_WIN32_HEAPSIZE = 23, // int nByte
    SQLITE_CONFIG_PCACHE_HDRSZ = 24, // int *psz
    SQLITE_CONFIG_PMASZ = 25, // unsigned int szPma
    SQLITE_CONFIG_STMTJRNL_SPILL = 26, // int nByte
    SQLITE_CONFIG_SMALL_MALLOC = 27, // boolean
    SQLITE_CONFIG_SORTERREF_SIZE = 28, // int nByte
    SQLITE_CONFIG_MEMDB_MAXSIZE = 29  // sqlite3_int64
  }

  /// <summary>
  /// These constants are used with the sqlite3_trace_v2() API and the
  /// callbacks registered by it.
  /// </summary>
  [Flags()]

Changes to System.Data.SQLite/UnsafeNativeMethods.cs.

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1411


1412
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          SHx = 4,
          ARM = 5,
          IA64 = 6,
          Alpha64 = 7,
          MSIL = 8,
          AMD64 = 9,
          IA32_on_Win64 = 10,


          Unknown = 0xFFFF
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This structure contains information about the current computer. This
      /// includes the processor type, page size, memory addresses, etc.







>
>







1405
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          SHx = 4,
          ARM = 5,
          IA64 = 6,
          Alpha64 = 7,
          MSIL = 8,
          AMD64 = 9,
          IA32_on_Win64 = 10,
          Neutral = 11,
          ARM64 = 12,
          Unknown = 0xFFFF
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This structure contains information about the current computer. This
      /// includes the processor type, page size, memory addresses, etc.

Changes to Targets/SQLite.NET.targets.

171
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204
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  -->

  <Target Name="CleanConfigurations"
          Condition="'$(OutputPath)' != '' And
                     HasTrailingSlash('$(OutputPath)') And
                     Exists('$(OutputPath)')">
    <CreateItem Include="$(OutputPath)*.config">
      <Output ItemName="ConfigurationFiles" TaskParameter="Include" />
    </CreateItem>

    <Delete Condition="'@(ConfigurationFiles)' != ''"
            Files="@(ConfigurationFiles)" />
  </Target>

  <!--
  ******************************************************************************
  -->

  <Target Name="CopyConfigurations"
................................................................................
          Condition="'$(CopyConfigurations)' != 'false' And
                     '$(OutputPath)' != '' And
                     HasTrailingSlash('$(OutputPath)') And
                     Exists('$(OutputPath)')"
          Inputs="$(TargetPath)"
          Outputs="$(TargetPath).CopyConfigurations.done">
    <CreateItem Include="Configurations\*.config" Exclude="Configurations\no_*">
      <Output ItemName="ConfigurationFiles" TaskParameter="Include" />
    </CreateItem>

    <Copy SourceFiles="@(ConfigurationFiles)"
          DestinationFolder="$(OutputPath)" />

    <Touch AlwaysCreate="true"
           Files="$(TargetPath).CopyConfigurations.done" />
  </Target>

  <!--







|


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  -->

  <Target Name="CleanConfigurations"
          Condition="'$(OutputPath)' != '' And
                     HasTrailingSlash('$(OutputPath)') And
                     Exists('$(OutputPath)')">
    <CreateItem Include="$(OutputPath)*.config">
      <Output ItemName="CleanConfigurationsItem" TaskParameter="Include" />
    </CreateItem>

    <Delete Condition="'@(CleanConfigurationsItem)' != ''"
            Files="@(CleanConfigurationsItem)" />
  </Target>

  <!--
  ******************************************************************************
  -->

  <Target Name="CopyConfigurations"
................................................................................
          Condition="'$(CopyConfigurations)' != 'false' And
                     '$(OutputPath)' != '' And
                     HasTrailingSlash('$(OutputPath)') And
                     Exists('$(OutputPath)')"
          Inputs="$(TargetPath)"
          Outputs="$(TargetPath).CopyConfigurations.done">
    <CreateItem Include="Configurations\*.config" Exclude="Configurations\no_*">
      <Output ItemName="CopyConfigurationsItem" TaskParameter="Include" />
    </CreateItem>

    <Copy SourceFiles="@(CopyConfigurationsItem)"
          DestinationFolder="$(OutputPath)" />

    <Touch AlwaysCreate="true"
           Files="$(TargetPath).CopyConfigurations.done" />
  </Target>

  <!--

Changes to Tests/basic.eagle.

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....
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5555
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5564
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5566
5567
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5569

  set result
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain result db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -result \
[list [getDbDefaultPageSize] 1073741823 0 2 [getDbDefaultCacheSize] delete 0]}


###############################################################################

runTest {test data-1.34 {SQLiteConnection.Open with SetDefaults=True} -setup {
  setupDb [set fileName data-1.34.db] "" "" "" "" SetDefaults=True
} -body {
  set result [list]
................................................................................

  set result
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain result db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -result \
[list [getDbDefaultPageSize] 1073741823 0 2 [getDbDefaultCacheSize] delete 0]}


###############################################################################

runTest {test data-1.35 {SQLiteConnection.Open without SetDefaults} -setup {
  setupDb [set fileName data-1.35.db]
} -body {
  set result [list]
................................................................................

  set result
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain result db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -result \
[list [getDbDefaultPageSize] 1073741823 0 2 [getDbDefaultCacheSize] delete 0]}


###############################################################################

runTest {test data-1.36 {SQLiteConnection.Open with PRAGMA overrides} -setup {
  #
  # NOTE: Attempt to open a connection with all available PRAGMA settings
  #       set to non-default values in the connection string.
................................................................................

  set result
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain result db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -result \
{4096 2048 1 1 4096 wal 1}}

###############################################################################

runTest {test data-1.37 {sqlite3_win32_set_directory function} -setup {
  set directory(base) [getDatabaseDirectory]

  if {[string length $directory(base)] == 0 || \
................................................................................
  lappend dbConfigs SQLITE_DBCONFIG_RESET_DATABASE; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_DEFENSIVE; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_WRITABLE_SCHEMA; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_LEGACY_ALTER_TABLE; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_DQS_DML; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_DQS_DDL; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_ENABLE_VIEW; # int int*



  set connection [getDbConnection]

  foreach dbConfig $dbConfigs {
    switch -exact -- $dbConfig {
      SQLITE_DBCONFIG_NONE {
        set value null
................................................................................
  }

  unset -nocomplain current highwater ints count size ptr value
  unset -nocomplain result dbConfig dbConfigs
  unset -nocomplain connection db fileName
} -constraints {eagle monoBug28 command.sql compile.DATA SQLite\
System.Data.SQLite} -match regexp -result {^\{\} \{\} \{\} \{\} \{\} \{\} \{\}\
\{\} \{\} \{\} \{\} \{\} \{\} \{\} \{\} \{\} \{\} Ok 0 0 Ok \d+ \d+ True True$}}


###############################################################################

runTest {test data-1.96 {connection pool interaction with read-only} -setup {
  catch {
    object invoke -flags +NonPublic \
        System.Data.SQLite.SQLiteConnectionPool _poolOpened 0
................................................................................

  freeDbConnection

  unset -nocomplain value result limit limits
  unset -nocomplain connection db fileName
} -constraints {eagle monoBug28 command.sql compile.DATA SQLite\
System.Data.SQLite} -result {-1 -1 1000000000 1 1000000000 1 2000 1 1000 1 500\
1 250000000 1 127 1 10 1 50000 1 999 1 1000 1 0 1}}

###############################################################################

reportSQLiteResources $test_channel

###############################################################################

runSQLiteTestFilesEpilogue
runSQLiteTestEpilogue
runTestEpilogue







|
|
>







 







|
|
>







 







|
|
>







 







|
|







 







>
>







 







|
>







 







|










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....
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....
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....
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....
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....
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....
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5562
5563
5564
5565
5566
5567
5568
5569
5570
5571
5572
5573
5574
5575

  set result
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain result db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -match \
regexp -result [appendArgs ^ [getDbDefaultPageSize] " 1073741823 " \
{(?:\{\}|0)} " 2 " [getDbDefaultCacheSize] " delete 0\$"]}

###############################################################################

runTest {test data-1.34 {SQLiteConnection.Open with SetDefaults=True} -setup {
  setupDb [set fileName data-1.34.db] "" "" "" "" SetDefaults=True
} -body {
  set result [list]
................................................................................

  set result
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain result db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -match \
regexp -result [appendArgs ^ [getDbDefaultPageSize] " 1073741823 " \
{(?:\{\}|1)} " 2 " [getDbDefaultCacheSize] " delete 0\$"]}

###############################################################################

runTest {test data-1.35 {SQLiteConnection.Open without SetDefaults} -setup {
  setupDb [set fileName data-1.35.db]
} -body {
  set result [list]
................................................................................

  set result
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain result db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -match \
regexp -result [appendArgs ^ [getDbDefaultPageSize] " 1073741823 " \
{(?:\{\}|0)} " 2 " [getDbDefaultCacheSize] " delete 0\$"]}

###############################################################################

runTest {test data-1.36 {SQLiteConnection.Open with PRAGMA overrides} -setup {
  #
  # NOTE: Attempt to open a connection with all available PRAGMA settings
  #       set to non-default values in the connection string.
................................................................................

  set result
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain result db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -match \
regexp -result {^4096 2048 (?:\{\}|1) 1 4096 wal 1$}}

###############################################################################

runTest {test data-1.37 {sqlite3_win32_set_directory function} -setup {
  set directory(base) [getDatabaseDirectory]

  if {[string length $directory(base)] == 0 || \
................................................................................
  lappend dbConfigs SQLITE_DBCONFIG_RESET_DATABASE; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_DEFENSIVE; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_WRITABLE_SCHEMA; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_LEGACY_ALTER_TABLE; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_DQS_DML; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_DQS_DDL; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_ENABLE_VIEW; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_LEGACY_FILE_FORMAT; # int int*
  lappend dbConfigs SQLITE_DBCONFIG_TRUSTED_SCHEMA; # int int*

  set connection [getDbConnection]

  foreach dbConfig $dbConfigs {
    switch -exact -- $dbConfig {
      SQLITE_DBCONFIG_NONE {
        set value null
................................................................................
  }

  unset -nocomplain current highwater ints count size ptr value
  unset -nocomplain result dbConfig dbConfigs
  unset -nocomplain connection db fileName
} -constraints {eagle monoBug28 command.sql compile.DATA SQLite\
System.Data.SQLite} -match regexp -result {^\{\} \{\} \{\} \{\} \{\} \{\} \{\}\
\{\} \{\} \{\} \{\} \{\} \{\} \{\} \{\} \{\} \{\} \{\} \{\} Ok 0 0 Ok \d+ \d+\
True True$}}

###############################################################################

runTest {test data-1.96 {connection pool interaction with read-only} -setup {
  catch {
    object invoke -flags +NonPublic \
        System.Data.SQLite.SQLiteConnectionPool _poolOpened 0
................................................................................

  freeDbConnection

  unset -nocomplain value result limit limits
  unset -nocomplain connection db fileName
} -constraints {eagle monoBug28 command.sql compile.DATA SQLite\
System.Data.SQLite} -result {-1 -1 1000000000 1 1000000000 1 2000 1 1000 1 500\
1 250000000 1 127 1 30 1 50000 1 999 1 1000 1 0 1}}

###############################################################################

reportSQLiteResources $test_channel

###############################################################################

runSQLiteTestFilesEpilogue
runSQLiteTestEpilogue
runTestEpilogue

Changes to Tests/version.eagle.

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###############################################################################

#
# NOTE: What is the full version of the included SQLite core library?  This
#       must be kept synchronized with the version numbers for the associated
#       source code and property files.
#
set version(core,full) 3.30.1.0
set version(core,short) 3.30.1

###############################################################################

#
# NOTE: What is the full version of the EntityFramework NuGet package (which
#       is not [necessarily] the same version as the assembly itself) in use
#       by the System.Data.SQLite NuGet packages?
................................................................................
unset -nocomplain patterns

###############################################################################
# readme.htm
###############################################################################

lappend patterns \

    [appendArgs "Using <a href=\"https://www\\.sqlite\\.org/releaselog/" \
        [string map [list . _] $version(core,short)] "\\.html\">SQLite " \
        [string map [list . \\.] $version(core,short)] </a>] \

    [appendArgs " to <a href=\"https://www\\.sqlite\\.org/releaselog/" \
        [string map [list . _] $version(core,short)] "\\.html\">SQLite " \
        [string map [list . \\.] $version(core,short)] </a>] \
    [appendArgs Version " " [string map [list . \\.] $version(full)] " "] \
    [appendArgs <b> [string map [list . \\.] $version(full)] " - "] \
    [appendArgs Version= [string map [list . \\.] $version(full)] ,]

###############################################################################
................................................................................
    [appendArgs Version= [string map [list . \\.] $version(full)] ,]

###############################################################################
# version.html
###############################################################################

lappend patterns \

    [appendArgs " to <a href=\"https://www\\.sqlite\\.org/releaselog/" \
        [string map [list . _] $version(core,short)] "\\.html\">SQLite " \
        [string map [list . \\.] $version(core,short)] </a>] \
    [appendArgs <b> [string map [list . \\.] $version(full)] " - "]

###############################################################################
# welcome.html
###############################################################################







|
|







 







>
|


>
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>
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###############################################################################

#
# NOTE: What is the full version of the included SQLite core library?  This
#       must be kept synchronized with the version numbers for the associated
#       source code and property files.
#
set version(core,full) 3.31.0.0
set version(core,short) 3.31.0

###############################################################################

#
# NOTE: What is the full version of the EntityFramework NuGet package (which
#       is not [necessarily] the same version as the assembly itself) in use
#       by the System.Data.SQLite NuGet packages?
................................................................................
unset -nocomplain patterns

###############################################################################
# readme.htm
###############################################################################

lappend patterns \
    [appendArgs \
        "Using <a href=\"https://www\\.sqlite\\.org/(?:draft/)?releaselog/" \
        [string map [list . _] $version(core,short)] "\\.html\">SQLite " \
        [string map [list . \\.] $version(core,short)] </a>] \
    [appendArgs \
        " to <a href=\"https://www\\.sqlite\\.org/(?:draft/)?releaselog/" \
        [string map [list . _] $version(core,short)] "\\.html\">SQLite " \
        [string map [list . \\.] $version(core,short)] </a>] \
    [appendArgs Version " " [string map [list . \\.] $version(full)] " "] \
    [appendArgs <b> [string map [list . \\.] $version(full)] " - "] \
    [appendArgs Version= [string map [list . \\.] $version(full)] ,]

###############################################################################
................................................................................
    [appendArgs Version= [string map [list . \\.] $version(full)] ,]

###############################################################################
# version.html
###############################################################################

lappend patterns \
    [appendArgs \
        " to <a href=\"https://www\\.sqlite\\.org/(?:draft/)?releaselog/" \
        [string map [list . _] $version(core,short)] "\\.html\">SQLite " \
        [string map [list . \\.] $version(core,short)] </a>] \
    [appendArgs <b> [string map [list . \\.] $version(full)] " - "]

###############################################################################
# welcome.html
###############################################################################

Changes to readme.htm.

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title></title>
</head>
<body>
ADO.NET SQLite Data Provider<br />
Version 1.0.113.0 - January XX, 2020 <font color="red">(release scheduled)</font><br />
Using <a href="https://www.sqlite.org/releaselog/3_30_1.html">SQLite 3.30.1</a><br />Originally written by Robert Simpson<br />
Released to the public domain, use at your own risk!<br />
Official provider website:&nbsp;<a href="https://system.data.sqlite.org/">https://system.data.sqlite.org/</a><br />
Legacy versions:&nbsp;<a href="https://sourceforge.net/projects/sqlite-dotnet2/">https://sourceforge.net/projects/sqlite-dotnet2/</a><br />
<br />
The current development version can be downloaded from <a href="https://system.data.sqlite.org/index.html/timeline?y=ci">
https://system.data.sqlite.org/index.html/timeline?y=ci</a>
<br />
................................................................................
designed for robustness and maximum backward compatibility with previously
released versions of System.Data.SQLite.
</p>

<h2><b>Version History</b></h2>

<p>
    <b>1.0.113.0 - January XX, 2020 <font color="red">(release scheduled)</font></b>
</p>
<ul>

    <li>Include the &quot;LINQ&quot; partial classes in the primary managed assembly for .NET Standard 2.1. Fix for [ad28d8e026].</li>
    <li>Add SQLite_ForceLogLifecycle environment variable to force logging of calls into key members pertaining to the lifecycle of connections and their associated classes (e.g. LINQ, EF6, etc).</li>
</ul>
<p>
    <b>1.0.112.0 - October 28, 2019</b>
</p>
<ul>







|
|







 







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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title></title>
</head>
<body>
ADO.NET SQLite Data Provider<br />
Version 1.0.113.0 - February XX, 2020 <font color="red">(release scheduled)</font><br />
Using <a href="https://www.sqlite.org/releaselog/3_31_0.html">SQLite 3.31.0</a><br />Originally written by Robert Simpson<br />
Released to the public domain, use at your own risk!<br />
Official provider website:&nbsp;<a href="https://system.data.sqlite.org/">https://system.data.sqlite.org/</a><br />
Legacy versions:&nbsp;<a href="https://sourceforge.net/projects/sqlite-dotnet2/">https://sourceforge.net/projects/sqlite-dotnet2/</a><br />
<br />
The current development version can be downloaded from <a href="https://system.data.sqlite.org/index.html/timeline?y=ci">
https://system.data.sqlite.org/index.html/timeline?y=ci</a>
<br />
................................................................................
designed for robustness and maximum backward compatibility with previously
released versions of System.Data.SQLite.
</p>

<h2><b>Version History</b></h2>

<p>
    <b>1.0.113.0 - February XX, 2020 <font color="red">(release scheduled)</font></b>
</p>
<ul>
    <li>Updated to <a href="https://www.sqlite.org/releaselog/3_31_0.html">SQLite 3.31.0</a>.</li>
    <li>Include the &quot;LINQ&quot; partial classes in the primary managed assembly for .NET Standard 2.1. Fix for [ad28d8e026].</li>
    <li>Add SQLite_ForceLogLifecycle environment variable to force logging of calls into key members pertaining to the lifecycle of connections and their associated classes (e.g. LINQ, EF6, etc).</li>
</ul>
<p>
    <b>1.0.112.0 - October 28, 2019</b>
</p>
<ul>

Changes to testce/testce.2005.csproj.

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    <EmbeddedResource Include="Form1.resx">
      <DependentUpon>Form1.cs</DependentUpon>
      <SubType>Designer</SubType>
    </EmbeddedResource>
  </ItemGroup>
  <ItemGroup>
    <Content Include="test.cfg">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
    <Content Include="test.sql">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
  <ItemGroup>
    <ProjectReference Include="..\System.Data.SQLite\System.Data.SQLite.Compact.2005.csproj">
      <Project>{AC139951-261A-4463-B6FA-AEBC25283A66}</Project>
      <Name>System.Data.SQLite.Compact.2005</Name>
    </ProjectReference>







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    <EmbeddedResource Include="Form1.resx">
      <DependentUpon>Form1.cs</DependentUpon>
      <SubType>Designer</SubType>
    </EmbeddedResource>
  </ItemGroup>
  <ItemGroup>
    <Content Include="test.cfg">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
    <Content Include="test.sql">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
  <ItemGroup>
    <ProjectReference Include="..\System.Data.SQLite\System.Data.SQLite.Compact.2005.csproj">
      <Project>{AC139951-261A-4463-B6FA-AEBC25283A66}</Project>
      <Name>System.Data.SQLite.Compact.2005</Name>
    </ProjectReference>

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    <EmbeddedResource Include="Form1.resx">
      <DependentUpon>Form1.cs</DependentUpon>
      <SubType>Designer</SubType>
    </EmbeddedResource>
  </ItemGroup>
  <ItemGroup>
    <Content Include="test.cfg">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
    <Content Include="test.sql">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
  <ItemGroup>
    <ProjectReference Include="..\System.Data.SQLite\System.Data.SQLite.Compact.2008.csproj">
      <Project>{AC139951-261A-4463-B6FA-AEBC25283A66}</Project>
      <Name>System.Data.SQLite.Compact.2008</Name>
    </ProjectReference>







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      <DependentUpon>Form1.cs</DependentUpon>
      <SubType>Designer</SubType>
    </EmbeddedResource>
  </ItemGroup>
  <ItemGroup>
    <Content Include="test.cfg">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
    <Content Include="test.sql">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
  <ItemGroup>
    <ProjectReference Include="..\System.Data.SQLite\System.Data.SQLite.Compact.2008.csproj">
      <Project>{AC139951-261A-4463-B6FA-AEBC25283A66}</Project>
      <Name>System.Data.SQLite.Compact.2008</Name>
    </ProjectReference>

Changes to testce/testce.2012.csproj.

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    <EmbeddedResource Include="Form1.resx">
      <DependentUpon>Form1.cs</DependentUpon>
      <SubType>Designer</SubType>
    </EmbeddedResource>
  </ItemGroup>
  <ItemGroup>
    <Content Include="test.cfg">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
    <Content Include="test.sql">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
  <ItemGroup>
    <ProjectReference Include="..\System.Data.SQLite\System.Data.SQLite.Compact.2012.csproj">
      <Project>{AC139951-261A-4463-B6FA-AEBC25283A66}</Project>
      <Name>System.Data.SQLite.Compact.2012</Name>
    </ProjectReference>







|


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      <DependentUpon>Form1.cs</DependentUpon>
      <SubType>Designer</SubType>
    </EmbeddedResource>
  </ItemGroup>
  <ItemGroup>
    <Content Include="test.cfg">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
    <Content Include="test.sql">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
  <ItemGroup>
    <ProjectReference Include="..\System.Data.SQLite\System.Data.SQLite.Compact.2012.csproj">
      <Project>{AC139951-261A-4463-B6FA-AEBC25283A66}</Project>
      <Name>System.Data.SQLite.Compact.2012</Name>
    </ProjectReference>

Changes to testlinq/test.2010.csproj.

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    <None Condition="'$(UseEntityFramework6)' == 'false' And
                     '$(TargetFrameworkVersion)' == 'v4.0'"
          Include="2010\LINQ\App.config" />
    <None Condition="'$(UseEntityFramework6)' != 'false' And
                     '$(TargetFrameworkVersion)' == 'v4.0'"
          Include="2010\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>
    <EntityDeploy Condition="'$(TargetFrameworkVersion)' == 'v3.5'"
                  Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
    <EntityDeploy Condition="'$(UseEntityFramework6)' == 'false' And







|







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    <None Condition="'$(UseEntityFramework6)' == 'false' And
                     '$(TargetFrameworkVersion)' == 'v4.0'"
          Include="2010\LINQ\App.config" />
    <None Condition="'$(UseEntityFramework6)' != 'false' And
                     '$(TargetFrameworkVersion)' == 'v4.0'"
          Include="2010\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>
    <EntityDeploy Condition="'$(TargetFrameworkVersion)' == 'v3.5'"
                  Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
    <EntityDeploy Condition="'$(UseEntityFramework6)' == 'false' And

Changes to testlinq/test.2012.csproj.

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                      '$(TargetFrameworkVersion)' == 'v4.5')"
          Include="2012\LINQ\App.config" />
    <None Condition="'$(UseEntityFramework6)' != 'false' And
                     ('$(TargetFrameworkVersion)' == 'v4.0' Or
                      '$(TargetFrameworkVersion)' == 'v4.5')"
          Include="2012\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>
    <EntityDeploy Condition="'$(TargetFrameworkVersion)' == 'v3.5'"
                  Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
    <EntityDeploy Condition="'$(UseEntityFramework6)' == 'false' And







|







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                      '$(TargetFrameworkVersion)' == 'v4.5')"
          Include="2012\LINQ\App.config" />
    <None Condition="'$(UseEntityFramework6)' != 'false' And
                     ('$(TargetFrameworkVersion)' == 'v4.0' Or
                      '$(TargetFrameworkVersion)' == 'v4.5')"
          Include="2012\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>
    <EntityDeploy Condition="'$(TargetFrameworkVersion)' == 'v3.5'"
                  Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
    <EntityDeploy Condition="'$(UseEntityFramework6)' == 'false' And

Changes to testlinq/test.2013.csproj.

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          Include="2013\LINQ\App.config" />
    <None Condition="'$(UseEntityFramework6)' != 'false' And
                     ('$(TargetFrameworkVersion)' == 'v4.0' Or
                      '$(TargetFrameworkVersion)' == 'v4.5' Or
                      '$(TargetFrameworkVersion)' == 'v4.5.1')"
          Include="2013\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>
    <EntityDeploy Condition="'$(TargetFrameworkVersion)' == 'v3.5'"
                  Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
    <EntityDeploy Condition="'$(UseEntityFramework6)' == 'false' And







|







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          Include="2013\LINQ\App.config" />
    <None Condition="'$(UseEntityFramework6)' != 'false' And
                     ('$(TargetFrameworkVersion)' == 'v4.0' Or
                      '$(TargetFrameworkVersion)' == 'v4.5' Or
                      '$(TargetFrameworkVersion)' == 'v4.5.1')"
          Include="2013\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>
    <EntityDeploy Condition="'$(TargetFrameworkVersion)' == 'v3.5'"
                  Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
    <EntityDeploy Condition="'$(UseEntityFramework6)' == 'false' And

Changes to testlinq/test.2015.csproj.

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                      '$(TargetFrameworkVersion)' == 'v4.5.1' Or
                      '$(TargetFrameworkVersion)' == 'v4.5.2' Or
                      '$(TargetFrameworkVersion)' == 'v4.6' Or
                      '$(TargetFrameworkVersion)' == 'v4.6.1' Or
                      '$(TargetFrameworkVersion)' == 'v4.6.2')"
          Include="2015\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>
    <EntityDeploy Condition="'$(TargetFrameworkVersion)' == 'v3.5'"
                  Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
    <EntityDeploy Condition="'$(UseEntityFramework6)' == 'false' And







|







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                      '$(TargetFrameworkVersion)' == 'v4.5.1' Or
                      '$(TargetFrameworkVersion)' == 'v4.5.2' Or
                      '$(TargetFrameworkVersion)' == 'v4.6' Or
                      '$(TargetFrameworkVersion)' == 'v4.6.1' Or
                      '$(TargetFrameworkVersion)' == 'v4.6.2')"
          Include="2015\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>
    <EntityDeploy Condition="'$(TargetFrameworkVersion)' == 'v3.5'"
                  Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
    <EntityDeploy Condition="'$(UseEntityFramework6)' == 'false' And

Changes to testlinq/test.2017.csproj.

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                      '$(TargetFrameworkVersion)' == 'v4.6' Or
                      '$(TargetFrameworkVersion)' == 'v4.6.1' Or
                      '$(TargetFrameworkVersion)' == 'v4.6.2' Or
                      '$(TargetFrameworkVersion)' == 'v4.7' Or
                      '$(TargetFrameworkVersion)' == 'v4.7.1')"
          Include="2017\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>
    <EntityDeploy Condition="'$(TargetFrameworkVersion)' == 'v3.5'"
                  Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
    <EntityDeploy Condition="'$(UseEntityFramework6)' == 'false' And







|







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                      '$(TargetFrameworkVersion)' == 'v4.6' Or
                      '$(TargetFrameworkVersion)' == 'v4.6.1' Or
                      '$(TargetFrameworkVersion)' == 'v4.6.2' Or
                      '$(TargetFrameworkVersion)' == 'v4.7' Or
                      '$(TargetFrameworkVersion)' == 'v4.7.1')"
          Include="2017\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>
    <EntityDeploy Condition="'$(TargetFrameworkVersion)' == 'v3.5'"
                  Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
    <EntityDeploy Condition="'$(UseEntityFramework6)' == 'false' And

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          Condition="'$(CopyToNetStandard21)' != 'false' And
                     '$(OutputPath)' != '' And
                     HasTrailingSlash('$(OutputPath)') And
                     Exists('$(OutputPath)')"
          Inputs="$(TargetPath)"
          Outputs="$(TargetPath).CopyToNetStandard21.done">
    <CreateItem Include="$(OutputPath)**">
      <Output ItemName="OutputPathFiles" TaskParameter="Include" />
    </CreateItem>

    <Copy SourceFiles="@(OutputPathFiles)"
          DestinationFiles="@(OutputPathFiles -> '$(OutputPath)..\netstandard2.1\%(RecursiveDir)%(Filename)%(Extension)')" />

    <Touch AlwaysCreate="true"
           Files="$(TargetPath).CopyToNetStandard21.done" />
  </Target>

  <!--
  ******************************************************************************
................................................................................
  **                     Project Miscellaneous Data Files                     **
  ******************************************************************************
  -->

  <ItemGroup>
    <None Include="NetStandard21\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>
  </ItemGroup>

  <!--
  ******************************************************************************
  **                          Entity Framework Files                          **
  ******************************************************************************







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          Condition="'$(CopyToNetStandard21)' != 'false' And
                     '$(OutputPath)' != '' And
                     HasTrailingSlash('$(OutputPath)') And
                     Exists('$(OutputPath)')"
          Inputs="$(TargetPath)"
          Outputs="$(TargetPath).CopyToNetStandard21.done">
    <CreateItem Include="$(OutputPath)**">
      <Output ItemName="CopyToNetStandard21Item" TaskParameter="Include" />
    </CreateItem>

    <Copy SourceFiles="@(CopyToNetStandard21Item)"
          DestinationFiles="@(CopyToNetStandard21Item -> '$(OutputPath)..\netstandard2.1\%(RecursiveDir)%(Filename)%(Extension)')" />

    <Touch AlwaysCreate="true"
           Files="$(TargetPath).CopyToNetStandard21.done" />
  </Target>

  <!--
  ******************************************************************************
................................................................................
  **                     Project Miscellaneous Data Files                     **
  ******************************************************************************
  -->

  <ItemGroup>
    <None Include="NetStandard21\EF6\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>
  </ItemGroup>

  <!--
  ******************************************************************************
  **                          Entity Framework Files                          **
  ******************************************************************************

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    </Compile>
    <Compile Include="Program.cs" />
    <Compile Include="Properties\AssemblyInfo.cs" />
  </ItemGroup>
  <ItemGroup>
    <None Include="2008\LINQ\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>
    <EntityDeploy Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
  </ItemGroup>
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    </Compile>
    <Compile Include="Program.cs" />
    <Compile Include="Properties\AssemblyInfo.cs" />
  </ItemGroup>
  <ItemGroup>
    <None Include="2008\LINQ\App.config" />
    <None Include="northwindEF.db">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>
    <EntityDeploy Include="NorthwindModel.Linq.2008.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Linq.2008.Designer.cs</LastGenOutput>
    </EntityDeploy>
  </ItemGroup>
  <ItemGroup>

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    Access to archived release packages will be granted on a case-by-case basis.
  </li>
</ul>

<div align="center"><h2><b>Version History</b></h2></div>

<p>
    <b>1.0.113.0 - January XX, 2020 <font color="red">(release scheduled)</font></b>
</p>
<ul>

    <li>Include the &quot;LINQ&quot; partial classes in the primary managed assembly for .NET Standard 2.1. Fix for [ad28d8e026].</li>
    <li>Add SQLite_ForceLogLifecycle environment variable to force logging of calls into key members pertaining to the lifecycle of connections and their associated classes (e.g. LINQ, EF6, etc).</li>
</ul>
<p>
    <b>1.0.112.0 - October 28, 2019</b>
</p>
<ul>







|


>







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    Access to archived release packages will be granted on a case-by-case basis.
  </li>
</ul>

<div align="center"><h2><b>Version History</b></h2></div>

<p>
    <b>1.0.113.0 - February XX, 2020 <font color="red">(release scheduled)</font></b>
</p>
<ul>
    <li>Updated to [https://www.sqlite.org/releaselog/3_31_0.html|SQLite 3.31.0].</li>
    <li>Include the &quot;LINQ&quot; partial classes in the primary managed assembly for .NET Standard 2.1. Fix for [ad28d8e026].</li>
    <li>Add SQLite_ForceLogLifecycle environment variable to force logging of calls into key members pertaining to the lifecycle of connections and their associated classes (e.g. LINQ, EF6, etc).</li>
</ul>
<p>
    <b>1.0.112.0 - October 28, 2019</b>
</p>
<ul>