///////////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteManagedModule.Column" /> method.
/// </summary>
/// <param name="cursor">
/// See the <see cref="ISQLiteManagedModule.Column" /> method.
/// </param>
/// <param name="context">
/// See the <see cref="ISQLiteManagedModule.Column" /> method.
/// </param>
/// <param name="index">
/// See the <see cref="ISQLiteManagedModule.Column" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteManagedModule.Column" /> method.
/// </returns>
public override SQLiteErrorCode Column(
SQLiteVirtualTableCursor cursor,
SQLiteContext context,
int index
)
{
CheckDisposed();
SQLiteVirtualTableCursorEnumerator <T> enumeratorCursor =
cursor as SQLiteVirtualTableCursorEnumerator <T>;
if (enumeratorCursor == null)
{
return(CursorTypeMismatchError(cursor));
}
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);
}
///////////////////////////////////////////////////////////////////////
#region ISQLiteManagedModule Members
/// <summary>
/// See the <see cref="ISQLiteManagedModule.Open" /> method.
/// </summary>
/// <param name="table">
/// See the <see cref="ISQLiteManagedModule.Open" /> method.
/// </param>
/// <param name="cursor">
/// See the <see cref="ISQLiteManagedModule.Open" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteManagedModule.Open" /> method.
/// </returns>
public override SQLiteErrorCode Open(
SQLiteVirtualTable table,
ref SQLiteVirtualTableCursor cursor
)
{
CheckDisposed();
cursor = new SQLiteVirtualTableCursorEnumerator <T>(
table, enumerable.GetEnumerator());
return(SQLiteErrorCode.Ok);
}