Function FetchPortalTargetList

src/backend/tcop/pquery.c:439–447

* FetchPortalTargetList * Given a portal that returns tuples, extract the query targetlist. * Returns NIL if the portal doesn't have a determinable targetlist. * * Note: do not modify the result. */

 * Note: do not modify the result.
 */
List *
FetchPortalTargetList(Portal portal)
{
	/* no point in looking if we determined it doesn't return tuples */
	if (portal->strategy == PORTAL_MULTI_QUERY)
		return NIL;
	/* get the primary statement and find out what it returns */
	return FetchStatementTargetList((Node *) PortalGetPrimaryStmt(portal));
}

/*
 * FetchStatementTargetList