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Overview
| Comment: | Add cursor parameter to the protected GetStringFromObject and GetRowIdFromObject methods of the SQLiteModuleEnumerable class. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
d7a3a148c5f091ca233c86ca56fd3d01 |
| User & Date: | mistachkin 2013-07-17 18:28:15.413 |
Context
|
2013-07-17
| ||
| 20:43 | Make the SQLiteModuleEnumerable.GetRowIdFromObject method return unique values within the context of the current cursor. check-in: a3c636157e user: mistachkin tags: trunk | |
| 18:28 | Add cursor parameter to the protected GetStringFromObject and GetRowIdFromObject methods of the SQLiteModuleEnumerable class. check-in: d7a3a148c5 user: mistachkin tags: trunk | |
| 10:14 | Improve consistency of error message. check-in: 0613f370e4 user: mistachkin tags: trunk | |
Changes
Changes to System.Data.SQLite/SQLiteModuleEnumerable.cs.
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///////////////////////////////////////////////////////////////////////
/// <summary>
/// Determines the string to return as the column value for the object
/// instance value.
/// </summary>
/// <param name="value">
/// The object instance to return a string representation for.
/// </param>
/// <returns>
/// The string representation of the specified object instance or null
/// upon failure.
/// </returns>
protected virtual string GetStringFromObject(
object value
)
{
if (value == null)
return null;
if (value is string)
return (string)value;
return value.ToString();
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// Determines the unique row identifier for the object instance value.
/// </summary>
/// <param name="value">
/// The object instance to return a unique row identifier for.
/// </param>
/// <returns>
/// The unique row identifier or zero upon failure.
/// </returns>
protected virtual long GetRowIdFromObject(
object value
)
{
if (value == null)
return 0;
return value.GetHashCode();
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///////////////////////////////////////////////////////////////////////
/// <summary>
/// Determines the string to return as the column value for the object
/// instance value.
/// </summary>
/// <param name="cursor">
/// The <see cref="SQLiteVirtualTableCursor" /> object instance
/// associated with the previously opened virtual table cursor to be
/// used.
/// </param>
/// <param name="value">
/// The object instance to return a string representation for.
/// </param>
/// <returns>
/// The string representation of the specified object instance or null
/// upon failure.
/// </returns>
protected virtual string GetStringFromObject(
SQLiteVirtualTableCursor cursor,
object value
)
{
if (value == null)
return null;
if (value is string)
return (string)value;
return value.ToString();
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// Determines the unique row identifier for the object instance value.
/// </summary>
/// <param name="cursor">
/// The <see cref="SQLiteVirtualTableCursor" /> object instance
/// associated with the previously opened virtual table cursor to be
/// used.
/// </param>
/// <param name="value">
/// The object instance to return a unique row identifier for.
/// </param>
/// <returns>
/// The unique row identifier or zero upon failure.
/// </returns>
protected virtual long GetRowIdFromObject(
SQLiteVirtualTableCursor cursor,
object value
)
{
if (value == null)
return 0;
return value.GetHashCode();
|
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if (enumeratorCursor.EndOfEnumerator)
return CursorEndOfEnumeratorError(cursor);
object current = enumeratorCursor.Current;
if (current != null)
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if (enumeratorCursor.EndOfEnumerator)
return CursorEndOfEnumeratorError(cursor);
object current = enumeratorCursor.Current;
if (current != null)
context.SetString(GetStringFromObject(cursor, current));
else
context.SetNull();
return SQLiteErrorCode.Ok;
}
///////////////////////////////////////////////////////////////////////
|
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return CursorTypeMismatchError(cursor);
if (enumeratorCursor.EndOfEnumerator)
return CursorEndOfEnumeratorError(cursor);
object current = enumeratorCursor.Current;
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return CursorTypeMismatchError(cursor);
if (enumeratorCursor.EndOfEnumerator)
return CursorEndOfEnumeratorError(cursor);
object current = enumeratorCursor.Current;
rowId = GetRowIdFromObject(cursor, current);
return SQLiteErrorCode.Ok;
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteManagedModule.Update" /> method.
|
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if (enumeratorCursor.EndOfEnumerator)
return CursorEndOfEnumeratorError(cursor);
T current = ((IEnumerator<T>)enumeratorCursor).Current;
if (current != null)
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if (enumeratorCursor.EndOfEnumerator)
return CursorEndOfEnumeratorError(cursor);
T current = ((IEnumerator<T>)enumeratorCursor).Current;
if (current != null)
context.SetString(GetStringFromObject(cursor, current));
else
context.SetNull();
return SQLiteErrorCode.Ok;
}
#endregion
|
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