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Repair faulty plan generation in cases where we choose to implement an

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IN clause by mergejoin, and a type coercion is needed just above the subplan.
A more extensive patch will follow in HEAD.
This commit is contained in:
Tom Lane 2004-01-18 00:31:53 +00:00
parent 9575c7af6c
commit 9933ba3f67
1 changed files with 4 additions and 4 deletions
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8
src/backend/optimizer/plan/createplan.c
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@ -10,7 +10,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.157.2.1 2003/11/25 19:17:16 tgl Exp $ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.157.2.2 2004/01/18 00:31:53 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -1865,10 +1865,10 @@ make_sort_from_pathkeys(Query *root, Plan *lefttree,
/* /*
* Do we need to insert a Result node? * Do we need to insert a Result node?
* *
* Currently, the only non-projection-capable plan type we can * Currently, the only non-projection-capable plan types we can
* see here is Append. * see here are Append and Unique.
*/ */
if (IsA(lefttree, Append)) if (IsA(lefttree, Append) || IsA(lefttree, Unique))
{ {
tlist = copyObject(tlist); tlist = copyObject(tlist);
lefttree = (Plan *) make_result(tlist, NULL, lefttree); lefttree = (Plan *) make_result(tlist, NULL, lefttree);