Function TRA_release_transaction

src/jrd/tra.cpp:1200–1363

void TRA_release_transaction(thread_db* tdbb, jrd_tra* transaction, Jrd::TraceTransactionEnd* trace)
{
/**************************************
 *
 *	T R A _ r e l e a s e _ t r a n s a c t i o n
 *
 **************************************
 *
 * Functional description
 *	Cleanup a transaction.  This is called by both COMMIT and
 *	ROLLBACK as well as code in JRD to get rid of remote
 *	transactions.
 *
 **************************************/
	SET_TDBB(tdbb);
	Jrd::Attachment* const attachment = tdbb->getAttachment();
	Database* const dbb = tdbb->getDatabase();
	CHECK_DBB(dbb);

	if (!transaction->tra_outer)
	{
		for (auto& item : transaction->tra_blob_util_map)
		{
			auto blb = item.second;

			// Let temporary blobs be cancelled in the block below.
			if (!(blb->blb_flags & BLB_temporary))
				blb->BLB_close(tdbb);
		}

		transaction->tra_blob_util_map.clear();

		if (transaction->tra_blobs->getFirst())
		{
			while (true)
			{
				BlobIndex *current = &transaction->tra_blobs->current();
				if (current->bli_materialized)
				{
					if (!transaction->tra_blobs->getNext())
						break;
				}
				else
				{
					ULONG temp_id = current->bli_temp_id;
					current->bli_blob_object->BLB_cancel(tdbb);
					if (!transaction->tra_blobs->locate(Firebird::locGreat, temp_id))
						break;
				}
			}
		}

		while (transaction->tra_arrays)
			blb::release_array(transaction->tra_arrays);
	}

	fb_assert(transaction->tra_temp_blobs_count == 0);