C++ (Cpp) is_system_catalog примеры использования

Пример #1

Файл: pool_select_walker.c Проект: ZheYuan/prestogres

/*
 * Walker function to find a system catalog
 */
static bool
system_catalog_walker(Node *node, void *context)
{
	SelectContext	*ctx = (SelectContext *) context;

	if (node == NULL)
		return false;

	if (IsA(node, RangeVar))
	{
		RangeVar *rgv = (RangeVar *)node;

		pool_debug("system_catalog_walker: relname: %s", rgv->relname);

		if (is_system_catalog(rgv->relname))
		{
			ctx->has_system_catalog = true;
			return false;
		}
	}
	return raw_expression_tree_walker(node, system_catalog_walker, context);
}

Пример #2

Файл: pool_select_walker.c Проект: pgpool/pgpool2

/*
 * Walker function to find a system catalog
 */
static bool
system_catalog_walker(Node *node, void *context)
{
	SelectContext *ctx = (SelectContext *) context;

	if (node == NULL)
		return false;

	if (IsA(node, RangeVar))
	{
		RangeVar   *rgv = (RangeVar *) node;

		ereport(DEBUG1,
				(errmsg("system catalog walker, checking relation \"%s\"", rgv->relname)));

		if (is_system_catalog(rgv->relname))
		{
			ctx->has_system_catalog = true;
			return false;
		}
	}
	return raw_expression_tree_walker(node, system_catalog_walker, context);
}