System.Data.SQLite
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Overview
Comment:Add the ability to log all parameter binding activity and refactor the necessary internal interfaces to support this. In the implicit conversion operators to IntPtr for both the SQLiteConnectionHandle and SQLiteStatementHandle classes, return IntPtr.Zero if the object being converted is null. Make sure the SQLiteLog class is not referenced when building for Windows CE.
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Timelines: family | ancestors | descendants | both | logBind
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SHA1: 20e1e255b6589a06381e21866f72a31f0cdc63a7
User & Date: mistachkin 2012-02-19 03:49:16
Context
2012-02-19
08:11
Make sure that exceptions are never thrown back to native code from user-provided function and collation implementations. Also, log all such caught callback exceptions if the appropriate connection flag is set. Fix for ticket [8a426d12eb]. Pass connection flags into SQLiteFunction binding method and refactor internal interfaces to support this. Change type of _contextDataList (SQLiteFunction) dictionary keys from long to IntPtr. check-in: 6136a92dc5 user: mistachkin tags: logBind
03:49
Add the ability to log all parameter binding activity and refactor the necessary internal interfaces to support this. In the implicit conversion operators to IntPtr for both the SQLiteConnectionHandle and SQLiteStatementHandle classes, return IntPtr.Zero if the object being converted is null. Make sure the SQLiteLog class is not referenced when building for Windows CE. check-in: 20e1e255b6 user: mistachkin tags: logBind
2012-02-15
07:51
Version and doc updates in preparation for release 1.0.80.0. check-in: 50276145d8 user: mistachkin tags: trunk
Changes
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Changes to System.Data.SQLite/SQLite3.cs.

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namespace System.Data.SQLite
{
  using System;
#if DEBUG
  using System.Diagnostics;
#endif
  using System.Runtime.InteropServices;


#if !PLATFORM_COMPACTFRAMEWORK
  [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
#endif
  internal delegate void SQLiteLogCallback(IntPtr puser, int err_code, IntPtr message);

  /// <summary>
................................................................................
              String.Format("[{0}].", baseSchemaName), String.Empty);

          strSql = strSql.Replace(
              String.Format("{0}.", baseSchemaName), String.Empty);
        }
      }

      if ((cnn != null) &&



          ((cnn.Flags & SQLiteConnectionFlags.LogPrepare) == SQLiteConnectionFlags.LogPrepare))
      {
          if ((strSql == null) || (strSql.Length == 0) || (strSql.Trim().Length == 0))
              SQLiteLog.LogMessage(0, "Preparing {<nothing>}...");
          else
              SQLiteLog.LogMessage(0, String.Format("Preparing {{{0}}}...", strSql));
      }


      IntPtr stmt = IntPtr.Zero;
      IntPtr ptr = IntPtr.Zero;
      int len = 0;
      int n = 17;
      int retries = 0;
      byte[] b = ToUTF8(strSql);
................................................................................
          }
        }

        if (n > 0) throw new SQLiteException(n, SQLiteLastError());

        strRemain = UTF8ToString(ptr, len);

        if (stmt != IntPtr.Zero) cmd = new SQLiteStatement(this, stmt, strSql.Substring(0, strSql.Length - strRemain.Length), previous);

        return cmd;
      }
      finally
      {
        handle.Free();
      }
    }














































































    internal override void Bind_Double(SQLiteStatement stmt, int index, double value)
    {


#if !PLATFORM_COMPACTFRAMEWORK





      int n = UnsafeNativeMethods.sqlite3_bind_double(stmt._sqlite_stmt, index, value);
#else
      int n = UnsafeNativeMethods.sqlite3_bind_double_interop(stmt._sqlite_stmt, index, ref value);
#endif
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Int32(SQLiteStatement stmt, int index, int value)
    {









      int n = UnsafeNativeMethods.sqlite3_bind_int(stmt._sqlite_stmt, index, value);
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_UInt32(SQLiteStatement stmt, int index, uint value)
    {









      int n = UnsafeNativeMethods.sqlite3_bind_uint(stmt._sqlite_stmt, index, value);
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Int64(SQLiteStatement stmt, int index, long value)
    {


#if !PLATFORM_COMPACTFRAMEWORK





      int n = UnsafeNativeMethods.sqlite3_bind_int64(stmt._sqlite_stmt, index, value);
#else
      int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(stmt._sqlite_stmt, index, ref value);
#endif
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_UInt64(SQLiteStatement stmt, int index, ulong value)
    {


#if !PLATFORM_COMPACTFRAMEWORK





      int n = UnsafeNativeMethods.sqlite3_bind_uint64(stmt._sqlite_stmt, index, value);
#else
      int n = UnsafeNativeMethods.sqlite3_bind_uint64_interop(stmt._sqlite_stmt, index, ref value);
#endif
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Text(SQLiteStatement stmt, int index, string value)
    {









      byte[] b = ToUTF8(value);








      int n = UnsafeNativeMethods.sqlite3_bind_text(stmt._sqlite_stmt, index, b, b.Length - 1, (IntPtr)(-1));
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_DateTime(SQLiteStatement stmt, int index, DateTime dt)
    {









        switch (_datetimeFormat)
        {
            case SQLiteDateFormats.Ticks:
                {
                    long value = dt.Ticks;

#if !PLATFORM_COMPACTFRAMEWORK





                    int n = UnsafeNativeMethods.sqlite3_bind_int64(stmt._sqlite_stmt, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(stmt._sqlite_stmt, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
            case SQLiteDateFormats.JulianDay:
                {
                    double value = ToJulianDay(dt);

#if !PLATFORM_COMPACTFRAMEWORK





                    int n = UnsafeNativeMethods.sqlite3_bind_double(stmt._sqlite_stmt, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_double_interop(stmt._sqlite_stmt, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
            case SQLiteDateFormats.UnixEpoch:
                {
                    long value = Convert.ToInt64(dt.Subtract(UnixEpoch).TotalSeconds);

#if !PLATFORM_COMPACTFRAMEWORK





                    int n = UnsafeNativeMethods.sqlite3_bind_int64(stmt._sqlite_stmt, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(stmt._sqlite_stmt, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
            default:
                {
                    byte[] b = ToUTF8(dt);








                    int n = UnsafeNativeMethods.sqlite3_bind_text(stmt._sqlite_stmt, index, b, b.Length - 1, (IntPtr)(-1));
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
        }
    }

    internal override void Bind_Blob(SQLiteStatement stmt, int index, byte[] blobData)
    {









      int n = UnsafeNativeMethods.sqlite3_bind_blob(stmt._sqlite_stmt, index, blobData, blobData.Length, (IntPtr)(-1));
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Null(SQLiteStatement stmt, int index)
    {









      int n = UnsafeNativeMethods.sqlite3_bind_null(stmt._sqlite_stmt, index);
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override int Bind_ParamCount(SQLiteStatement stmt)
    {

      return UnsafeNativeMethods.sqlite3_bind_parameter_count(stmt._sqlite_stmt);
    }














    internal override string Bind_ParamName(SQLiteStatement stmt, int index)
    {



#if !SQLITE_STANDARD
      int len;
      return UTF8ToString(UnsafeNativeMethods.sqlite3_bind_parameter_name_interop(stmt._sqlite_stmt, index, out len), len);
#else
      return UTF8ToString(UnsafeNativeMethods.sqlite3_bind_parameter_name(stmt._sqlite_stmt, index), -1);
#endif
    }














    internal override int Bind_ParamIndex(SQLiteStatement stmt, string paramName)
    {

      return UnsafeNativeMethods.sqlite3_bind_parameter_index(stmt._sqlite_stmt, ToUTF8(paramName));













    }

    internal override int ColumnCount(SQLiteStatement stmt)
    {
      return UnsafeNativeMethods.sqlite3_column_count(stmt._sqlite_stmt);
    }








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namespace System.Data.SQLite
{
  using System;
#if DEBUG
  using System.Diagnostics;
#endif
  using System.Runtime.InteropServices;
  using System.Text;

#if !PLATFORM_COMPACTFRAMEWORK
  [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
#endif
  internal delegate void SQLiteLogCallback(IntPtr puser, int err_code, IntPtr message);

  /// <summary>
................................................................................
              String.Format("[{0}].", baseSchemaName), String.Empty);

          strSql = strSql.Replace(
              String.Format("{0}.", baseSchemaName), String.Empty);
        }
      }

      SQLiteConnectionFlags flags =
          (cnn != null) ? cnn.Flags : SQLiteConnectionFlags.Default;

#if !PLATFORM_COMPACTFRAMEWORK
      if ((flags & SQLiteConnectionFlags.LogPrepare) == SQLiteConnectionFlags.LogPrepare)
      {
          if ((strSql == null) || (strSql.Length == 0) || (strSql.Trim().Length == 0))
              SQLiteLog.LogMessage(0, "Preparing {<nothing>}...");
          else
              SQLiteLog.LogMessage(0, String.Format("Preparing {{{0}}}...", strSql));
      }
#endif

      IntPtr stmt = IntPtr.Zero;
      IntPtr ptr = IntPtr.Zero;
      int len = 0;
      int n = 17;
      int retries = 0;
      byte[] b = ToUTF8(strSql);
................................................................................
          }
        }

        if (n > 0) throw new SQLiteException(n, SQLiteLastError());

        strRemain = UTF8ToString(ptr, len);

        if (stmt != IntPtr.Zero) cmd = new SQLiteStatement(this, flags, stmt, strSql.Substring(0, strSql.Length - strRemain.Length), previous);

        return cmd;
      }
      finally
      {
        handle.Free();
      }
    }

#if !PLATFORM_COMPACTFRAMEWORK
    protected static void LogBind(SQLiteStatementHandle handle, int index)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(0, String.Format(
            "Binding statement {0} paramter #{1} as NULL...",
            handleIntPtr, index));
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, ValueType value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(0, String.Format(
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, value.GetType(), value));
    }

    private static string FormatDateTime(DateTime value)
    {
        StringBuilder result = new StringBuilder();

        result.Append(value.ToString("yyyy-MM-ddTHH:mm:ss.FFFFFFFK"));
        result.Append(' ');
        result.Append(value.Kind);
        result.Append(' ');
        result.Append(value.Ticks);

        return result.ToString();
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, DateTime value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(0, String.Format(
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, typeof(DateTime), FormatDateTime(value)));
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, string value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(0, String.Format(
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, typeof(String), (value != null) ? value : "<null>"));
    }

    private static string ToHexadecimalString(
        byte[] array
        )
    {
        if (array == null)
            return null;

        StringBuilder result = new StringBuilder(array.Length * 2);

        int length = array.Length;

        for (int index = 0; index < length; index++)
            result.Append(array[index].ToString("x2"));

        return result.ToString();
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, byte[] value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(0, String.Format(
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, typeof(Byte[]), (value != null) ? ToHexadecimalString(value) : "<null>"));
    }
#endif

    internal override void Bind_Double(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, double value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }

        int n = UnsafeNativeMethods.sqlite3_bind_double(handle, index, value);
#else
        int n = UnsafeNativeMethods.sqlite3_bind_double_interop(handle, index, ref value);
#endif
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Int32(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, int value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_int(handle, index, value);
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_UInt32(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, uint value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_uint(handle, index, value);
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Int64(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, long value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }

        int n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
#else
        int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
#endif
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_UInt64(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, ulong value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }

        int n = UnsafeNativeMethods.sqlite3_bind_uint64(handle, index, value);
#else
        int n = UnsafeNativeMethods.sqlite3_bind_uint64_interop(handle, index, ref value);
#endif
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Text(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, string value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }
#endif

        byte[] b = ToUTF8(value);

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, b);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_text(handle, index, b, b.Length - 1, (IntPtr)(-1));
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_DateTime(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, DateTime dt)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, dt);
        }
#endif

        switch (_datetimeFormat)
        {
            case SQLiteDateFormats.Ticks:
                {
                    long value = dt.Ticks;

#if !PLATFORM_COMPACTFRAMEWORK
                    if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
                    {
                        LogBind(handle, index, value);
                    }

                    int n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
            case SQLiteDateFormats.JulianDay:
                {
                    double value = ToJulianDay(dt);

#if !PLATFORM_COMPACTFRAMEWORK
                    if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
                    {
                        LogBind(handle, index, value);
                    }

                    int n = UnsafeNativeMethods.sqlite3_bind_double(handle, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_double_interop(handle, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
            case SQLiteDateFormats.UnixEpoch:
                {
                    long value = Convert.ToInt64(dt.Subtract(UnixEpoch).TotalSeconds);

#if !PLATFORM_COMPACTFRAMEWORK
                    if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
                    {
                        LogBind(handle, index, value);
                    }

                    int n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
            default:
                {
                    byte[] b = ToUTF8(dt);

#if !PLATFORM_COMPACTFRAMEWORK
                    if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
                    {
                        LogBind(handle, index, b);
                    }
#endif

                    int n = UnsafeNativeMethods.sqlite3_bind_text(handle, index, b, b.Length - 1, (IntPtr)(-1));
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
        }
    }

    internal override void Bind_Blob(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, byte[] blobData)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, blobData);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_blob(handle, index, blobData, blobData.Length, (IntPtr)(-1));
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Null(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_null(handle, index);
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override int Bind_ParamCount(SQLiteStatement stmt, SQLiteConnectionFlags flags)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;
        int value = UnsafeNativeMethods.sqlite3_bind_parameter_count(handle);

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            IntPtr handleIntPtr = handle;

            SQLiteLog.LogMessage(0, String.Format(
                "Statement {0} paramter count is {1}.",
                handleIntPtr, value));
        }
#endif

        return value;
    }

    internal override string Bind_ParamName(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;
        string name;

#if !SQLITE_STANDARD
        int len;
        name = UTF8ToString(UnsafeNativeMethods.sqlite3_bind_parameter_name_interop(handle, index, out len), len);
#else
        name = UTF8ToString(UnsafeNativeMethods.sqlite3_bind_parameter_name(handle, index), -1);
#endif

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            IntPtr handleIntPtr = handle;

            SQLiteLog.LogMessage(0, String.Format(
                "Statement {0} paramter #{1} name is {{{2}}}.",
                handleIntPtr, index, name));
        }
#endif

        return name;
    }

    internal override int Bind_ParamIndex(SQLiteStatement stmt, SQLiteConnectionFlags flags, string paramName)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;
        int index = UnsafeNativeMethods.sqlite3_bind_parameter_index(handle, ToUTF8(paramName));

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            IntPtr handleIntPtr = handle;

            SQLiteLog.LogMessage(0, String.Format(
                "Statement {0} paramter index of name {{{1}}} is #{2}.",
                handleIntPtr, paramName, index));
        }
#endif

        return index;
    }

    internal override int ColumnCount(SQLiteStatement stmt)
    {
      return UnsafeNativeMethods.sqlite3_column_count(stmt._sqlite_stmt);
    }

Changes to System.Data.SQLite/SQLite3_UTF16.cs.

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        if (n > 0) throw new SQLiteException(n, null);

        _sql = db;
      }
      _functionsArray = SQLiteFunction.BindFunctions(this);
    }

    internal override void Bind_DateTime(SQLiteStatement stmt, int index, DateTime dt)
    {
        switch (_datetimeFormat)
        {
            case SQLiteDateFormats.Ticks:
                {
                    long value = dt.Ticks;

#if !PLATFORM_COMPACTFRAMEWORK
                    int n = UnsafeNativeMethods.sqlite3_bind_int64(stmt._sqlite_stmt, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(stmt._sqlite_stmt, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
            case SQLiteDateFormats.JulianDay:
                {
                    double value = ToJulianDay(dt);

#if !PLATFORM_COMPACTFRAMEWORK
                    int n = UnsafeNativeMethods.sqlite3_bind_double(stmt._sqlite_stmt, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_double_interop(stmt._sqlite_stmt, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
            case SQLiteDateFormats.UnixEpoch:
                {
                    long value = Convert.ToInt64(dt.Subtract(UnixEpoch).TotalSeconds);

#if !PLATFORM_COMPACTFRAMEWORK
                    int n = UnsafeNativeMethods.sqlite3_bind_int64(stmt._sqlite_stmt, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(stmt._sqlite_stmt, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());

                    break;
                }
            default:
                {










                    Bind_Text(stmt, index, ToString(dt));
                    break;
                }
        }
    }

    internal override void Bind_Text(SQLiteStatement stmt, int index, string value)
    {









      int n = UnsafeNativeMethods.sqlite3_bind_text16(stmt._sqlite_stmt, index, value, value.Length * 2, (IntPtr)(-1));
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override DateTime GetDateTime(SQLiteStatement stmt, int index)
    {
      return ToDateTime(GetText(stmt, index));
    }








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        if (n > 0) throw new SQLiteException(n, null);

        _sql = db;
      }
      _functionsArray = SQLiteFunction.BindFunctions(this);
    }

    internal override void Bind_DateTime(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, DateTime dt)
    {
        switch (_datetimeFormat)
        {
            case SQLiteDateFormats.Ticks:











            case SQLiteDateFormats.JulianDay:











            case SQLiteDateFormats.UnixEpoch:
                {








                    base.Bind_DateTime(stmt, flags, index, dt);
                    break;
                }
            default:
                {
#if !PLATFORM_COMPACTFRAMEWORK
                    if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
                    {
                        SQLiteStatementHandle handle =
                            (stmt != null) ? stmt._sqlite_stmt : null;

                        LogBind(handle, index, dt);
                    }
#endif

                    Bind_Text(stmt, flags, index, ToString(dt));
                    break;
                }
        }
    }

    internal override void Bind_Text(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, string value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_text16(handle, index, value, value.Length * 2, (IntPtr)(-1));
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override DateTime GetDateTime(SQLiteStatement stmt, int index)
    {
      return ToDateTime(GetText(stmt, index));
    }

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

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    /// transparently attempt to rebuild the SQL statement and throw an error if that was not possible.
    /// </summary>
    /// <param name="stmt">The statement to reset</param>
    /// <returns>Returns -1 if the schema changed while resetting, 0 if the reset was sucessful or 6 (SQLITE_LOCKED) if the reset failed due to a lock</returns>
    internal abstract int Reset(SQLiteStatement stmt);
    internal abstract void Cancel();

    internal abstract void Bind_Double(SQLiteStatement stmt, int index, double value);
    internal abstract void Bind_Int32(SQLiteStatement stmt, int index, Int32 value);
    internal abstract void Bind_UInt32(SQLiteStatement stmt, int index, UInt32 value);
    internal abstract void Bind_Int64(SQLiteStatement stmt, int index, Int64 value);
    internal abstract void Bind_UInt64(SQLiteStatement stmt, int index, UInt64 value);
    internal abstract void Bind_Text(SQLiteStatement stmt, int index, string value);
    internal abstract void Bind_Blob(SQLiteStatement stmt, int index, byte[] blobData);
    internal abstract void Bind_DateTime(SQLiteStatement stmt, int index, DateTime dt);
    internal abstract void Bind_Null(SQLiteStatement stmt, int index);

    internal abstract int Bind_ParamCount(SQLiteStatement stmt);
    internal abstract string Bind_ParamName(SQLiteStatement stmt, int index);
    internal abstract int Bind_ParamIndex(SQLiteStatement stmt, string paramName);

    internal abstract int ColumnCount(SQLiteStatement stmt);
    internal abstract string ColumnName(SQLiteStatement stmt, int index);
    internal abstract TypeAffinity ColumnAffinity(SQLiteStatement stmt, int index);
    internal abstract string ColumnType(SQLiteStatement stmt, int index, out TypeAffinity nAffinity);
    internal abstract int ColumnIndex(SQLiteStatement stmt, string columnName);
    internal abstract string ColumnOriginalName(SQLiteStatement stmt, int index);
................................................................................
      None = 0x0,

      /// <summary>
      /// Enable logging of all SQL statements to be prepared.
      /// </summary>
      LogPrepare = 0x1,
















      /// <summary>
      /// The default extra flags for new connections.
      /// </summary>
      Default = None
  }

  // These are the options to the internal sqlite3_config call.







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    /// transparently attempt to rebuild the SQL statement and throw an error if that was not possible.
    /// </summary>
    /// <param name="stmt">The statement to reset</param>
    /// <returns>Returns -1 if the schema changed while resetting, 0 if the reset was sucessful or 6 (SQLITE_LOCKED) if the reset failed due to a lock</returns>
    internal abstract int Reset(SQLiteStatement stmt);
    internal abstract void Cancel();

    internal abstract void Bind_Double(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, double value);
    internal abstract void Bind_Int32(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, Int32 value);
    internal abstract void Bind_UInt32(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, UInt32 value);
    internal abstract void Bind_Int64(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, Int64 value);
    internal abstract void Bind_UInt64(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, UInt64 value);
    internal abstract void Bind_Text(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, string value);
    internal abstract void Bind_Blob(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, byte[] blobData);
    internal abstract void Bind_DateTime(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, DateTime dt);
    internal abstract void Bind_Null(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index);

    internal abstract int Bind_ParamCount(SQLiteStatement stmt, SQLiteConnectionFlags flags);
    internal abstract string Bind_ParamName(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index);
    internal abstract int Bind_ParamIndex(SQLiteStatement stmt, SQLiteConnectionFlags flags, string paramName);

    internal abstract int ColumnCount(SQLiteStatement stmt);
    internal abstract string ColumnName(SQLiteStatement stmt, int index);
    internal abstract TypeAffinity ColumnAffinity(SQLiteStatement stmt, int index);
    internal abstract string ColumnType(SQLiteStatement stmt, int index, out TypeAffinity nAffinity);
    internal abstract int ColumnIndex(SQLiteStatement stmt, string columnName);
    internal abstract string ColumnOriginalName(SQLiteStatement stmt, int index);
................................................................................
      None = 0x0,

      /// <summary>
      /// Enable logging of all SQL statements to be prepared.
      /// </summary>
      LogPrepare = 0x1,

      /// <summary>
      /// Enable logging of all bound parameter types and raw values.
      /// </summary>
      LogPreBind = 0x2,

      /// <summary>
      /// Enable logging of all bound parameter strongly typed values.
      /// </summary>
      LogBind = 0x4,

      /// <summary>
      /// Enable all logging.
      /// </summary>
      LogAll = LogPrepare | LogPreBind | LogBind,

      /// <summary>
      /// The default extra flags for new connections.
      /// </summary>
      Default = None
  }

  // These are the options to the internal sqlite3_config call.

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

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    /// </summary>
    internal SQLiteParameter[] _paramValues;
    /// <summary>
    /// Command this statement belongs to (if any)
    /// </summary>
    internal SQLiteCommand     _command;






    private string[] _types;

    /// <summary>
    /// Initializes the statement and attempts to get all information about parameters in the statement
    /// </summary>
    /// <param name="sqlbase">The base SQLite object</param>

    /// <param name="stmt">The statement</param>
    /// <param name="strCommand">The command text for this statement</param>
    /// <param name="previous">The previous command in a multi-statement command</param>
    internal SQLiteStatement(SQLiteBase sqlbase, SQLiteStatementHandle stmt, string strCommand, SQLiteStatement previous)
    {
      _sql     = sqlbase;
      _sqlite_stmt = stmt;
      _sqlStatement  = strCommand;


      // Determine parameters for this statement (if any) and prepare space for them.
      int nCmdStart = 0;
      int n = _sql.Bind_ParamCount(this);
      int x;
      string s;

      if (n > 0)
      {
        if (previous != null)
          nCmdStart = previous._unnamedParameters;

        _paramNames = new string[n];
        _paramValues = new SQLiteParameter[n];

        for (x = 0; x < n; x++)
        {
          s = _sql.Bind_ParamName(this, x + 1);
          if (String.IsNullOrEmpty(s))
          {
            s = String.Format(CultureInfo.InvariantCulture, ";{0}", nCmdStart);
            nCmdStart++;
            _unnamedParameters++;
          }
          _paramNames[x] = s;
................................................................................
    {
      if (param == null)
        throw new SQLiteException((int)SQLiteErrorCode.Error, "Insufficient parameters supplied to the command");

      object obj = param.Value;
      DbType objType = param.DbType;















      if (Convert.IsDBNull(obj) || obj == null)
      {
        _sql.Bind_Null(this, index);
        return;
      }

      if (objType == DbType.Object)
        objType = SQLiteConvert.TypeToDbType(obj.GetType());

      switch (objType)
      {
        case DbType.Date:
        case DbType.Time:
        case DbType.DateTime:
          //
          // NOTE: The old method (commented below) does not honor the selected date format
          //       for the connection.
          // _sql.Bind_DateTime(this, index, Convert.ToDateTime(obj, CultureInfo.CurrentCulture));
          _sql.Bind_DateTime(this, index, (obj is string) ?
              _sql.ToDateTime((string)obj) : Convert.ToDateTime(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Boolean:
          _sql.Bind_Int32(this, index, ToBoolean(obj, CultureInfo.CurrentCulture) ? 1 : 0);
          break;
        case DbType.SByte:
          _sql.Bind_Int32(this, index, Convert.ToSByte(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Int16:
          _sql.Bind_Int32(this, index, Convert.ToInt16(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Int32:
          _sql.Bind_Int32(this, index, Convert.ToInt32(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Int64:
          _sql.Bind_Int64(this, index, Convert.ToInt64(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Byte:
          _sql.Bind_UInt32(this, index, Convert.ToByte(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.UInt16:
          _sql.Bind_UInt32(this, index, Convert.ToUInt16(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.UInt32:
          _sql.Bind_UInt32(this, index, Convert.ToUInt32(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.UInt64:
          _sql.Bind_UInt64(this, index, Convert.ToUInt64(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Single:
        case DbType.Double:
        case DbType.Currency:
        //case DbType.Decimal: // Dont store decimal as double ... loses precision
          _sql.Bind_Double(this, index, Convert.ToDouble(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Binary:
          _sql.Bind_Blob(this, index, (byte[])obj);
          break;
        case DbType.Guid:
          if (_command.Connection._binaryGuid == true)
            _sql.Bind_Blob(this, index, ((Guid)obj).ToByteArray());
          else
            _sql.Bind_Text(this, index, obj.ToString());

          break;
        case DbType.Decimal: // Dont store decimal as double ... loses precision
          _sql.Bind_Text(this, index, Convert.ToDecimal(obj, CultureInfo.CurrentCulture).ToString(CultureInfo.InvariantCulture));
          break;
        default:
          _sql.Bind_Text(this, index, obj.ToString());
          break;
      }
    }

    internal string[] TypeDefinitions
    {
      get { return _types; }







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    /// </summary>
    internal SQLiteParameter[] _paramValues;
    /// <summary>
    /// Command this statement belongs to (if any)
    /// </summary>
    internal SQLiteCommand     _command;

    /// <summary>
    /// The flags associated with the parent connection object.
    /// </summary>
    private SQLiteConnectionFlags _flags;

    private string[] _types;

    /// <summary>
    /// Initializes the statement and attempts to get all information about parameters in the statement
    /// </summary>
    /// <param name="sqlbase">The base SQLite object</param>
    /// <param name="flags">The flags associated with the parent connection object</param>
    /// <param name="stmt">The statement</param>
    /// <param name="strCommand">The command text for this statement</param>
    /// <param name="previous">The previous command in a multi-statement command</param>
    internal SQLiteStatement(SQLiteBase sqlbase, SQLiteConnectionFlags flags, SQLiteStatementHandle stmt, string strCommand, SQLiteStatement previous)
    {
      _sql     = sqlbase;
      _sqlite_stmt = stmt;
      _sqlStatement  = strCommand;
      _flags = flags;

      // Determine parameters for this statement (if any) and prepare space for them.
      int nCmdStart = 0;
      int n = _sql.Bind_ParamCount(this, _flags);
      int x;
      string s;

      if (n > 0)
      {
        if (previous != null)
          nCmdStart = previous._unnamedParameters;

        _paramNames = new string[n];
        _paramValues = new SQLiteParameter[n];

        for (x = 0; x < n; x++)
        {
          s = _sql.Bind_ParamName(this, _flags, x + 1);
          if (String.IsNullOrEmpty(s))
          {
            s = String.Format(CultureInfo.InvariantCulture, ";{0}", nCmdStart);
            nCmdStart++;
            _unnamedParameters++;
          }
          _paramNames[x] = s;
................................................................................
    {
      if (param == null)
        throw new SQLiteException((int)SQLiteErrorCode.Error, "Insufficient parameters supplied to the command");

      object obj = param.Value;
      DbType objType = param.DbType;

      if ((obj != null) && (objType == DbType.Object))
          objType = SQLiteConvert.TypeToDbType(obj.GetType());

#if !PLATFORM_COMPACTFRAMEWORK
      if ((_flags & SQLiteConnectionFlags.LogPreBind) == SQLiteConnectionFlags.LogPreBind)
      {
          IntPtr handle = _sqlite_stmt;

          SQLiteLog.LogMessage(0, String.Format(
              "Binding statement {0} paramter #{1} with database type {2} and raw value {{{3}}}...",
              handle, index, objType, obj));
      }
#endif

      if ((obj == null) || Convert.IsDBNull(obj))
      {
          _sql.Bind_Null(this, _flags, index);
        return;
      }




      switch (objType)
      {
        case DbType.Date:
        case DbType.Time:
        case DbType.DateTime:
          //
          // NOTE: The old method (commented below) does not honor the selected date format
          //       for the connection.
          // _sql.Bind_DateTime(this, index, Convert.ToDateTime(obj, CultureInfo.CurrentCulture));
            _sql.Bind_DateTime(this, _flags, index, (obj is string) ?
              _sql.ToDateTime((string)obj) : Convert.ToDateTime(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Boolean:
          _sql.Bind_Int32(this, _flags, index, ToBoolean(obj, CultureInfo.CurrentCulture) ? 1 : 0);
          break;
        case DbType.SByte:
          _sql.Bind_Int32(this, _flags, index, Convert.ToSByte(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Int16:
          _sql.Bind_Int32(this, _flags, index, Convert.ToInt16(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Int32:
          _sql.Bind_Int32(this, _flags, index, Convert.ToInt32(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Int64:
          _sql.Bind_Int64(this, _flags, index, Convert.ToInt64(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Byte:
          _sql.Bind_UInt32(this, _flags, index, Convert.ToByte(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.UInt16:
          _sql.Bind_UInt32(this, _flags, index, Convert.ToUInt16(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.UInt32:
          _sql.Bind_UInt32(this, _flags, index, Convert.ToUInt32(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.UInt64:
          _sql.Bind_UInt64(this, _flags, index, Convert.ToUInt64(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Single:
        case DbType.Double:
        case DbType.Currency:
        //case DbType.Decimal: // Dont store decimal as double ... loses precision
          _sql.Bind_Double(this, _flags, index, Convert.ToDouble(obj, CultureInfo.CurrentCulture));
          break;
        case DbType.Binary:
          _sql.Bind_Blob(this, _flags, index, (byte[])obj);
          break;
        case DbType.Guid:
          if (_command.Connection._binaryGuid == true)
            _sql.Bind_Blob(this, _flags, index, ((Guid)obj).ToByteArray());
          else
            _sql.Bind_Text(this, _flags, index, obj.ToString());

          break;
        case DbType.Decimal: // Dont store decimal as double ... loses precision
          _sql.Bind_Text(this, _flags, index, Convert.ToDecimal(obj, CultureInfo.CurrentCulture).ToString(CultureInfo.InvariantCulture));
          break;
        default:
          _sql.Bind_Text(this, _flags, index, obj.ToString());
          break;
      }
    }

    internal string[] TypeDefinitions
    {
      get { return _types; }

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

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#endif

  // Handles the unmanaged database pointer, and provides finalization support for it.
  internal class SQLiteConnectionHandle : CriticalHandle
  {
    public static implicit operator IntPtr(SQLiteConnectionHandle db)
    {
      return db.handle;
    }

    public static implicit operator SQLiteConnectionHandle(IntPtr db)
    {
      return new SQLiteConnectionHandle(db);
    }

................................................................................
  }

  // Provides finalization support for unmanaged SQLite statements.
  internal class SQLiteStatementHandle : CriticalHandle
  {
    public static implicit operator IntPtr(SQLiteStatementHandle stmt)
    {
      return stmt.handle;
    }

    public static implicit operator SQLiteStatementHandle(IntPtr stmt)
    {
      return new SQLiteStatementHandle(stmt);
    }








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#endif

  // Handles the unmanaged database pointer, and provides finalization support for it.
  internal class SQLiteConnectionHandle : CriticalHandle
  {
    public static implicit operator IntPtr(SQLiteConnectionHandle db)
    {
      return (db != null) ? db.handle : IntPtr.Zero;
    }

    public static implicit operator SQLiteConnectionHandle(IntPtr db)
    {
      return new SQLiteConnectionHandle(db);
    }

................................................................................
  }

  // Provides finalization support for unmanaged SQLite statements.
  internal class SQLiteStatementHandle : CriticalHandle
  {
    public static implicit operator IntPtr(SQLiteStatementHandle stmt)
    {
      return (stmt != null) ? stmt.handle : IntPtr.Zero;
    }

    public static implicit operator SQLiteStatementHandle(IntPtr stmt)
    {
      return new SQLiteStatementHandle(stmt);
    }

Changes to Tests/basic.eagle.

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Source=test\.db\} 0 \{test\.db, Uri=test\.db\} 0 \{60, Default Timeout=60\} 0\
\{False, Enlist=False\} 0 \{True, FailIfMissing=True\} 0 \{False, Legacy\
Format=False\} 0 \{True, Read Only=True\} 0 \{secret, Password=secret\} 0\
\{4096, Page Size=4096\} 0 \{1024, Max Page Count=1024\} 0 \{8192, Cache\
Size=8192\} 0 \{UnixEpoch, DateTimeFormat=UnixEpoch\} 0 \{Utc,\
DateTimeKind=Utc\} 0 \{sqlite_schema, BaseSchemaName=sqlite_schema\} 0\
\{Memory, Journal Mode=Memory\} 0 \{Serializable, Default\
IsolationLevel=Serializable\} 0 \{False, Foreign Keys=False\} 0 \{Default,\
Flags=Default\}$}}

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

runTest {test data-1.17 {SQLiteConvert ToDateTime (Julian Day)} -body {
  set dateTime [object invoke System.Data.SQLite.SQLiteConvert ToDateTime \
      2455928.0 Utc]








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Source=test\.db\} 0 \{test\.db, Uri=test\.db\} 0 \{60, Default Timeout=60\} 0\
\{False, Enlist=False\} 0 \{True, FailIfMissing=True\} 0 \{False, Legacy\
Format=False\} 0 \{True, Read Only=True\} 0 \{secret, Password=secret\} 0\
\{4096, Page Size=4096\} 0 \{1024, Max Page Count=1024\} 0 \{8192, Cache\
Size=8192\} 0 \{UnixEpoch, DateTimeFormat=UnixEpoch\} 0 \{Utc,\
DateTimeKind=Utc\} 0 \{sqlite_schema, BaseSchemaName=sqlite_schema\} 0\
\{Memory, Journal Mode=Memory\} 0 \{Serializable, Default\
IsolationLevel=Serializable\} 0 \{False, Foreign Keys=False\} 0 \{None,\
Flags=None\}$}}

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

runTest {test data-1.17 {SQLiteConvert ToDateTime (Julian Day)} -body {
  set dateTime [object invoke System.Data.SQLite.SQLiteConvert ToDateTime \
      2455928.0 Utc]