Function start_transaction

src/jrd/jrd.cpp:9598–9647

static void start_transaction(thread_db* tdbb, bool transliterate, jrd_tra** tra_handle,
	Jrd::Attachment* attachment, unsigned int tpb_length, const UCHAR* tpb)
{
/**************************************
 *
 *	s t a r t _ m u l t i p l e
 *
 **************************************
 *
 * Functional description
 *	Start a transaction.
 *
 **************************************/
	fb_assert(attachment == tdbb->getAttachment());

	try
	{
		if (*tra_handle)
			status_exception::raise(Arg::Gds(isc_bad_trans_handle));


		try
		{
			if (tpb_length > 0 && !tpb)
				status_exception::raise(Arg::Gds(isc_bad_tpb_form));

			jrd_tra* transaction = TRA_start(tdbb, tpb_length, tpb);

			// run ON TRANSACTION START triggers
			JRD_run_trans_start_triggers(tdbb, transaction);

			*tra_handle = transaction;
		}
		catch (const Exception& ex)
		{
			if (transliterate)
			{
				FbLocalStatus tempStatus;
				transliterateException(tdbb, ex, &tempStatus, "startTransaction");
				status_exception::raise(&tempStatus);
			}
			throw;
		}
	}
	catch (const Exception&)
	{
		*tra_handle = NULL;
		throw;
	}
}


void JRD_start_transaction(thread_db* tdbb, jrd_tra** transaction,