From 6f33c179b9675d395c6b97c806068279780a7c2f Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 21 Sep 2001 04:06:04 +0000
Subject: [PATCH] Produce slightly saner-looking EXPLAIN output for a Result
node.
---
src/backend/optimizer/plan/createplan.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c
index 9a32ae7a1b9..8756fcc0205 100644
--- a/src/backend/optimizer/plan/createplan.c
+++ b/src/backend/optimizer/plan/createplan.c
@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.108 2001/08/21 16:36:03 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.109 2001/09/21 04:06:04 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1827,7 +1827,16 @@ make_result(List *tlist,
#ifdef NOT_USED
tlist = generate_fjoin(tlist);
#endif
- copy_plan_costsize(plan, subplan);
+ if (subplan)
+ copy_plan_costsize(plan, subplan);
+ else
+ {
+ plan->startup_cost = 0;
+ plan->total_cost = cpu_tuple_cost;
+ plan->plan_rows = 1; /* wrong if we have a set-valued function? */
+ plan->plan_width = 0; /* XXX try to be smarter? */
+ }
+
plan->state = (EState *) NULL;
plan->targetlist = tlist;
plan->qual = NIL;
--
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