Function parseCheckTableFunctions

src/backend/parser/parse_func.c:2747–2755

* parseCheckTableFunctions * * Check for TableValueExpr where they shouldn't be. Currently the only * valid location for a TableValueExpr is within a call to a table function. * In the full SQL Standard they can exist anywhere a multiset is supported. */

 *  In the full SQL Standard they can exist anywhere a multiset is supported.
 */
void 
parseCheckTableFunctions(ParseState *pstate, Query *qry)
{
	check_table_func_context context;
	context.parent = NULL;
	query_tree_walker(qry, 
					  checkTableFunctions_walker,
					  (void *) &context, 0);
}

static bool 
checkTableFunctions_walker(Node *node, check_table_func_context *context)