*

*

* IDENTIFICATION

* $PostgreSQL: pgsql/src/backend/optimizer/util/relnode.c,v 1.53 2003/11/2919:51:51 pgsql Exp $

* $PostgreSQL: pgsql/src/backend/optimizer/util/relnode.c,v 1.54 2003/12/08 18:19:58 tgl Exp $

*

*-------------------------------------------------------------------------

*/

case RTE_SUBQUERY:

case RTE_FUNCTION:

/* Subquery or function --- need only set up attr range */

rel->min_attr = 1;

/* Note: 0 is included in range to support whole-row Vars */

rel->min_attr = 0;

rel->max_attr = length(rte->eref->colnames);

break;

default:

break;

}

if (rel->max_attr >= rel->min_attr)

{

rel->attr_needed = (Relids *)

palloc0((rel->max_attr - rel->min_attr + 1) * sizeof(Relids));

rel->attr_widths = (int32 *)

palloc0((rel->max_attr - rel->min_attr + 1) * sizeof(int32));

}

else

{

rel->attr_needed = NULL;

rel->attr_widths = NULL;

}

Assert(rel->max_attr >= rel->min_attr);

rel->attr_needed = (Relids *)

palloc0((rel->max_attr - rel->min_attr + 1) * sizeof(Relids));

rel->attr_widths = (int32 *)

palloc0((rel->max_attr - rel->min_attr + 1) * sizeof(int32));

return rel;

}