*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/optimizer/path/allpaths.c,v 1.145 2006/04/30 18:30:39 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/optimizer/path/allpaths.c,v 1.146 2006/05/02 04:34:18 tgl Exp $
*
*-------------------------------------------------------------------------
*/
errmsg("SELECT FOR UPDATE/SHARE is not supported for inheritance queries")));
/*
+ * We might have looked up indexes for the parent rel, but they're
+ * really not relevant to the appendrel. Reset the pointer to avoid
+ * any confusion.
+ */
+ rel->indexlist = NIL;
+
+ /*
* Initialize to compute size estimates for whole append relation
*/
rel->rows = 0;
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/selfuncs.c,v 1.203 2006/04/27 17:52:40 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/selfuncs.c,v 1.204 2006/05/02 04:34:18 tgl Exp $
*
*-------------------------------------------------------------------------
*/
(varRelid == 0 || varRelid == ((Var *) basenode)->varno))
{
Var *var = (Var *) basenode;
- Oid relid;
+ RangeTblEntry *rte;
vardata->var = basenode; /* return Var without relabeling */
vardata->rel = find_base_rel(root, var->varno);
vardata->atttype = var->vartype;
vardata->atttypmod = var->vartypmod;
- relid = getrelid(var->varno, root->parse->rtable);
+ rte = rt_fetch(var->varno, root->parse->rtable);
- if (OidIsValid(relid))
+ if (rte->inh)
+ {
+ /*
+ * XXX This means the Var represents a column of an append relation.
+ * Later add code to look at the member relations and try to derive
+ * some kind of combined statistics?
+ */
+ }
+ else if (rte->rtekind == RTE_RELATION)
{
vardata->statsTuple = SearchSysCache(STATRELATT,
- ObjectIdGetDatum(relid),
+ ObjectIdGetDatum(rte->relid),
Int16GetDatum(var->varattno),
0, 0);
}