Function act_transaction

src/gpre/sql.cpp:4465–4500

//

static act* act_transaction(act_t type)
{
	const TEXT* transaction = NULL;

	par_options(&transaction);
	MSC_match(KW_WORK);

	act* action = (act*) MSC_alloc(ACT_LEN);
	action->act_type = type;
	action->act_whenever = gen_whenever();
	action->act_object = (ref*) transaction;

	if (MSC_match(KW_RELEASE))
	{
		type = (type == ACT_commit) ? ACT_finish : ACT_rfinish;
		if (transaction)
		{
			action->act_rest = (act*) MSC_alloc(ACT_LEN);
			action->act_rest->act_type = type;
		}
		else
			action->act_type = type;
	}
	else if ((type == ACT_commit) && (MSC_match(KW_RETAIN)))
	{
		MSC_match(KW_SNAPSHOT);
		action->act_type = type = ACT_commit_retain_context;
	}
	else if ((type == ACT_rollback) && (MSC_match(KW_RETAIN)))
	{
		MSC_match(KW_SNAPSHOT);
		action->act_type = type = ACT_rollback_retain_context;
	}

	return action;
}


//____________________________________________________________