//protected override int Fill(DataTable dataTable, IDataReader dataReader) {
// return base.Fill(dataTable, dataReader);
//}
private int FillFromRecordset(object data, UnsafeNativeMethods.ADORecordsetConstruction recordset, string?srcTable, out bool incrementResultCount)
{
incrementResultCount = false;
IntPtr chapter; /*ODB.DB_NULL_HCHAPTER*/
object?result;
try
{
result = recordset.get_Rowset();
chapter = recordset.get_Chapter();
}
catch (Exception e)
{
// UNDONE - should not be catching all exceptions!!!
if (!ADP.IsCatchableExceptionType(e))
{
throw;
}
throw ODB.Fill_EmptyRecordSet("ADODBRecordSet", e);
}
if (null != result)
{
CommandBehavior behavior = (MissingSchemaAction.AddWithKey != MissingSchemaAction) ? 0 : CommandBehavior.KeyInfo;
behavior |= CommandBehavior.SequentialAccess;
OleDbDataReader?dataReader = null;
try
{
// initialized with chapter only since we don't want ReleaseChapter called for this chapter handle
ChapterHandle chapterHandle = ChapterHandle.CreateChapterHandle(chapter);
dataReader = new OleDbDataReader(null, null, 0, behavior);
dataReader.InitializeIRowset(result, chapterHandle, ADP.RecordsUnaffected);
dataReader.BuildMetaInfo();
incrementResultCount = (0 < dataReader.FieldCount);
if (incrementResultCount)
{
if (data is DataTable)
{
return(base.Fill((DataTable)data, dataReader));
}
else
{
return(base.Fill((DataSet)data, srcTable !, dataReader, 0, 0));
}
}
}
finally
{
dataReader?.Close();
}
}
return(0);
}
private int FillFromRecordset(object data, System.Data.Common.UnsafeNativeMethods.ADORecordsetConstruction recordset, string srcTable, out bool incrementResultCount)
{
IntPtr ptr;
incrementResultCount = false;
object result = null;
try
{
Bid.Trace("<oledb.ADORecordsetConstruction.get_Rowset|API|ADODB>\n");
result = recordset.get_Rowset();
Bid.Trace("<oledb.ADORecordsetConstruction.get_Rowset|API|ADODB|RET> %08X{HRESULT}\n", 0);
Bid.Trace("<oledb.ADORecordsetConstruction.get_Chapter|API|ADODB>\n");
ptr = recordset.get_Chapter();
Bid.Trace("<oledb.ADORecordsetConstruction.get_Chapter|API|ADODB|RET> %08X{HRESULT}\n", 0);
}
catch (Exception exception)
{
if (!ADP.IsCatchableExceptionType(exception))
{
throw;
}
throw ODB.Fill_EmptyRecordSet("ADODBRecordSet", exception);
}
if (result != null)
{
CommandBehavior commandBehavior = (MissingSchemaAction.AddWithKey != base.MissingSchemaAction) ? CommandBehavior.Default : CommandBehavior.KeyInfo;
commandBehavior |= CommandBehavior.SequentialAccess;
OleDbDataReader dataReader = null;
try
{
ChapterHandle chapterHandle = ChapterHandle.CreateChapterHandle(ptr);
dataReader = new OleDbDataReader(null, null, 0, commandBehavior);
dataReader.InitializeIRowset(result, chapterHandle, ADP.RecordsUnaffected);
dataReader.BuildMetaInfo();
incrementResultCount = 0 < dataReader.FieldCount;
if (incrementResultCount)
{
if (data is DataTable)
{
return(base.Fill((DataTable)data, dataReader));
}
return(base.Fill((DataSet)data, srcTable, dataReader, 0, 0));
}
}
finally
{
if (dataReader != null)
{
dataReader.Close();
}
}
}
return(0);
}
private void DisposeNativeRowset() {
UnsafeNativeMethods.IRowset irowset = _irowset;
_irowset = null;
ChapterHandle chapter = _chapterHandle;
_chapterHandle = ChapterHandle.DB_NULL_HCHAPTER;
if (ChapterHandle.DB_NULL_HCHAPTER != chapter) { // MDAC 81441
chapter.Dispose();
}
if (null != irowset) {
Marshal.ReleaseComObject(irowset);
}
}
internal void InitializeIRowset(object result, ChapterHandle chapterHandle, IntPtr recordsAffected) {
// if from ADODB, connection will be null
if ((null == _connection) || (ChapterHandle.DB_NULL_HCHAPTER != chapterHandle)) { // MDAC 59629
_rowHandleFetchCount = new IntPtr(1);
}
Initialize();
_recordsAffected = recordsAffected;
_irowset = (UnsafeNativeMethods.IRowset) result; // maybe null if no results
_chapterHandle = chapterHandle;
}
//override protected int Fill(DataTable dataTable, IDataReader dataReader) { // MDAC 65506
// return base.Fill(dataTable, dataReader);
//}
private int FillFromRecordset(Object data, UnsafeNativeMethods.ADORecordsetConstruction recordset, string srcTable, out bool incrementResultCount)
{
incrementResultCount = false;
IntPtr chapter; /*ODB.DB_NULL_HCHAPTER*/
object result = null;
try {
Bid.Trace("<oledb.ADORecordsetConstruction.get_Rowset|API|ADODB>\n");
result = recordset.get_Rowset(); // MDAC 83342
Bid.Trace("<oledb.ADORecordsetConstruction.get_Rowset|API|ADODB|RET> %08X{HRESULT}\n", 0);
Bid.Trace("<oledb.ADORecordsetConstruction.get_Chapter|API|ADODB>\n");
chapter = recordset.get_Chapter(); // MDAC 83342
Bid.Trace("<oledb.ADORecordsetConstruction.get_Chapter|API|ADODB|RET> %08X{HRESULT}\n", 0);
}
catch (Exception e) {
//
if (!ADP.IsCatchableExceptionType(e))
{
throw;
}
throw ODB.Fill_EmptyRecordSet("ADODBRecordSet", e);
}
if (null != result)
{
CommandBehavior behavior = (MissingSchemaAction.AddWithKey != MissingSchemaAction) ? 0 : CommandBehavior.KeyInfo;
behavior |= CommandBehavior.SequentialAccess;
OleDbDataReader dataReader = null;
try {
// intialized with chapter only since we don't want ReleaseChapter called for this chapter handle
ChapterHandle chapterHandle = ChapterHandle.CreateChapterHandle(chapter);
dataReader = new OleDbDataReader(null, null, 0, behavior);
dataReader.InitializeIRowset(result, chapterHandle, ADP.RecordsUnaffected);
dataReader.BuildMetaInfo();
incrementResultCount = (0 < dataReader.FieldCount); // MDAC 59632
if (incrementResultCount)
{
if (data is DataTable)
{
return(base.Fill((DataTable)data, dataReader)); // MDAC 65506
}
else
{
return(base.Fill((DataSet)data, srcTable, dataReader, 0, 0));
}
}
}
finally {
if (null != dataReader)
{
dataReader.Close();
}
}
}
return(0);
}
private void DisposeNativeRowset()
{
System.Data.Common.UnsafeNativeMethods.IRowset o = this._irowset;
this._irowset = null;
ChapterHandle handle = this._chapterHandle;
this._chapterHandle = ChapterHandle.DB_NULL_HCHAPTER;
if (ChapterHandle.DB_NULL_HCHAPTER != handle)
{
handle.Dispose();
}
if (o != null)
{
Marshal.ReleaseComObject(o);
}
}
internal void InitializeIRowset(object result, ChapterHandle chapterHandle, IntPtr recordsAffected)
{
if ((this._connection == null) || (ChapterHandle.DB_NULL_HCHAPTER != chapterHandle))
{
this._rowHandleFetchCount = new IntPtr(1);
}
this.Initialize();
this._recordsAffected = recordsAffected;
this._irowset = (System.Data.Common.UnsafeNativeMethods.IRowset) result;
this._chapterHandle = chapterHandle;
}