// Send results from SqlDataReader
public void Send(SqlDataReader reader)
{
ADP.CheckArgumentNull(reader, "reader");
SetPipeBusy( );
try {
EnsureNormalSendValid("Send");
do
{
SmiExtendedMetaData[] columnMetaData = reader.GetInternalSmiMetaData();
if (null != columnMetaData && 0 != columnMetaData.Length) // SQLBUDT #340528 -- don't send empty results.
{
using (SmiRecordBuffer recordBuffer = _smiContext.CreateRecordBuffer(columnMetaData, _eventSink)) {
_eventSink.ProcessMessagesAndThrow(); // Handle any errors that are reported.
_smiContext.SendResultsStartToPipe(recordBuffer, _eventSink);
_eventSink.ProcessMessagesAndThrow(); // Handle any errors that are reported.
try {
while (reader.Read( ))
{
if (SmiContextFactory.Instance.NegotiatedSmiVersion >= SmiContextFactory.KatmaiVersion)
{
ValueUtilsSmi.FillCompatibleSettersFromReader(_eventSink, recordBuffer, new List <SmiExtendedMetaData>(columnMetaData), reader);
}
else
{
ValueUtilsSmi.FillCompatibleITypedSettersFromReader(_eventSink, recordBuffer, columnMetaData, reader);
}
_smiContext.SendResultsRowToPipe(recordBuffer, _eventSink);
_eventSink.ProcessMessagesAndThrow(); // Handle any errors that are reported.
}
}
finally {
_smiContext.SendResultsEndToPipe(recordBuffer, _eventSink);
_eventSink.ProcessMessagesAndThrow(); // Handle any errors that are reported.
}
}
}
}while (reader.NextResult( ));
}
catch {
_eventSink.CleanMessages();
throw;
}
finally {
ClearPipeBusy( );
Debug.Assert(_eventSink.HasMessages == false, "There should be no messages left in _eventsink at the end of the Send reader!");
}
}
//
// SqlDataRecord public API
//
public SqlDataRecord(params SqlMetaData[] metaData)
{
// Initial consistency check
if (null == metaData)
{
throw ADP.ArgumentNull("metadata");
}
_columnMetaData = new SqlMetaData[metaData.Length];
_columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
ulong smiVersion = SmiVersion;
for (int i = 0; i < _columnSmiMetaData.Length; i++)
{
if (null == metaData[i])
{
throw ADP.ArgumentNull("metadata[" + i + "]");
}
_columnMetaData[i] = metaData[i];
_columnSmiMetaData[i] = MetaDataUtilsSmi.SqlMetaDataToSmiExtendedMetaData(_columnMetaData[i]);
if (!MetaDataUtilsSmi.IsValidForSmiVersion(_columnSmiMetaData[i], smiVersion))
{
throw ADP.VersionDoesNotSupportDataType(_columnSmiMetaData[i].TypeName);
}
}
_eventSink = new SmiEventSink_Default( );
if (InOutOfProcHelper.InProc)
{
_recordContext = SmiContextFactory.Instance.GetCurrentContext();
_recordBuffer = _recordContext.CreateRecordBuffer(_columnSmiMetaData, _eventSink);
_usesStringStorageForXml = false;
}
else
{
_recordContext = null;
_recordBuffer = new MemoryRecordBuffer(_columnSmiMetaData);
_usesStringStorageForXml = true;
}
_eventSink.ProcessMessagesAndThrow();
}
//
// SqlDataRecord public API
//
public SqlDataRecord( params SqlMetaData[] metaData ) {
// Initial consistency check
if ( null == metaData ) {
throw ADP.ArgumentNull( "metadata" );
}
_columnMetaData = new SqlMetaData[metaData.Length];
_columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
ulong smiVersion = SmiVersion;
for (int i = 0; i < _columnSmiMetaData.Length; i++) {
if ( null == metaData[i] ) {
throw ADP.ArgumentNull( "metadata["+i+"]" );
}
_columnMetaData[i] = metaData[i];
_columnSmiMetaData[i] = MetaDataUtilsSmi.SqlMetaDataToSmiExtendedMetaData( _columnMetaData[i] );
if (!MetaDataUtilsSmi.IsValidForSmiVersion(_columnSmiMetaData[i], smiVersion)) {
throw ADP.VersionDoesNotSupportDataType(_columnSmiMetaData[i].TypeName);
}
}
_eventSink = new SmiEventSink_Default( );
if (InOutOfProcHelper.InProc) {
_recordContext = SmiContextFactory.Instance.GetCurrentContext();
_recordBuffer = _recordContext.CreateRecordBuffer( _columnSmiMetaData, _eventSink );
_usesStringStorageForXml = false;
}
else {
_recordContext = null;
_recordBuffer = new MemoryRecordBuffer(_columnSmiMetaData);
_usesStringStorageForXml = true;
}
_eventSink.ProcessMessagesAndThrow();
}
