Function TRA_commit

src/jrd/tra.cpp:432–558

void TRA_commit(thread_db* tdbb, jrd_tra* transaction, const bool retaining_flag)
{
/**************************************
 *
 *	T R A _ c o m m i t
 *
 **************************************
 *
 * Functional description
 *	Commit a transaction.
 *
 **************************************/
	SET_TDBB(tdbb);

	TraceTransactionEnd trace(transaction, true, retaining_flag);

	EDS::Transaction::jrdTransactionEnd(tdbb, transaction, true, retaining_flag, false);

	jrd_tra* const sysTran = tdbb->getAttachment()->getSysTransaction();

	// If this is a commit retaining, and no updates have been performed,
	// and no events have been posted (via stored procedures etc)
	// no-op the operation.

	if (retaining_flag && !((transaction->tra_flags & TRA_write) || transaction->tra_deferred_job))
	{
		if (sysTran->tra_flags & TRA_write)
			transaction_flush(tdbb, FLUSH_SYSTEM, 0);

		transaction->tra_flags &= ~TRA_prepared;

		// Get rid of all user savepoints
		while (transaction->tra_save_point && !transaction->tra_save_point->isRoot())
			transaction->releaseSavepoint(tdbb);

		trace.finish(ITracePlugin::RESULT_SUCCESS);
		return;
	}

	if (transaction->tra_flags & TRA_invalidated)
		ERR_post(Arg::Gds(isc_trans_invalid));

	Jrd::ContextPoolHolder context(tdbb, transaction->tra_pool);

	// Get rid of all user savepoints
	while (transaction->tra_save_point && !transaction->tra_save_point->isRoot())
		transaction->releaseSavepoint(tdbb);

	// Let replicator perform heavy and error-prone part of work

	REPL_trans_prepare(tdbb, transaction);

	// Perform any meta data work deferred

	if (!(transaction->tra_flags & TRA_prepared))
		DFW_perform_work(tdbb, transaction);

	// Commit associated transaction in security DB