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Merge Resdom nodes into TargetEntry nodes to simplify code and save a

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few palloc's.  I also chose to eliminate the restype and restypmod fields
entirely, since they are redundant with information stored in the node's
contained expression; re-examining the expression at need seems simpler
and more reliable than trying to keep restype/restypmod up to date.

initdb forced due to change in contents of stored rules.
This commit is contained in:
Tom Lane
2005-04-06 16:34:07 +00:00
parent 0f3748a28c
commit ad161bcc8a
43 changed files with 537 additions and 799 deletions
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4
src/backend/optimizer/prep/prepjointree.c
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@@ -16,7 +16,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/prep/prepjointree.c,v 1.25 2004/12/31 22:00:20 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/optimizer/prep/prepjointree.c,v 1.26 2005/04/06 16:34:06 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -458,7 +458,7 @@ has_nullable_targetlist(Query *subquery)
TargetEntry *tle = (TargetEntry *) lfirst(l);
/* ignore resjunk columns */
if (tle->resdom->resjunk)
if (tle->resjunk)
continue;
/* Must contain a Var of current level */