internal static long EnvSqlTransaction(this TdsPackageReader reader)
{
var newTransactionId = 0L;
if (reader.ReadByte() == 8)
{
newTransactionId = reader.ReadInt64();
}
if (reader.ReadByte() == 8)
{
reader.ReadInt64();
}
return(newTransactionId);
}
public static bool SqlDone(this TdsPackageReader reader)
{
// status
// command
// rowcount (valid only if DONE_COUNT bit is set)
bool attentionReceived;
var status = reader.ReadUInt16();
var curCmd = reader.ReadUInt16();
var count = (int)reader.ReadInt64();
// We get a done token with the attention bit set
if (TdsEnums.DONE_ATTN == (status & TdsEnums.DONE_ATTN))
{
attentionReceived = true;
}
//if (cmd != null && TdsEnums.DONE_COUNT == (status & TdsEnums.DONE_COUNT))
//{
// if (curCmd != TdsEnums.SELECT) cmd.InternalRecordsAffected = count;
// // Skip the bogus DONE counts sent by the server
// if (curCmd != TdsEnums.SELECT) cmd.OnStatementCompleted(count);
//}
// Surface exception for DONE_ERROR in the case we did not receive an error token
// in the stream, but an error occurred. In these cases, we throw a general server error. The
// situations where this can occur are: an invalid buffer received from client, login error
// and the server refused our connection, and the case where we are trying to log in but
// the server has reached its max connection limit. Bottom line, we need to throw general
// error in the cases where we did not receive an error token along with the DONE_ERROR.
if (TdsEnums.DONE_ERROR == (TdsEnums.DONE_ERROR & status))
{
}
// Similar to above, only with a more severe error. In this case, if we received
// the done_srverror, this exception will be added to the collection regardless.
// The server will always break the connection in this case.
if (TdsEnums.DONE_SRVERROR == (TdsEnums.DONE_SRVERROR & status))
{
}
// stop if the DONE_MORE bit isn't set (see above for attention handling)
var _pendingData = false;
var _hasOpenResult = false;
if (TdsEnums.DONE_MORE != (status & TdsEnums.DONE_MORE))
{
return(true);
}
// _pendingData set by e.g. 'TdsExecuteSQLBatch'
// _hasOpenResult always set to true by 'WriteMarsHeader'
//
if (!_pendingData && _hasOpenResult)
{
;
}
return(false);
}
