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Rewriter and planner should use only resno, not resname, to identify

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target columns in INSERT and UPDATE targetlists.  Don't rely on resname
to be accurate in ruleutils, either.  This fixes bug reported by
Donald Fraser, in which renaming a column referenced in a rule did not
work very well.
This commit is contained in:
Tom Lane
2003-08-11 23:04:50 +00:00
parent 730b3a1502
commit 302f1a86dc
15 changed files with 144 additions and 115 deletions
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4
src/backend/optimizer/prep/preptlist.c
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@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/prep/preptlist.c,v 1.64 2003/08/04 02:40:01 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/prep/preptlist.c,v 1.65 2003/08/11 23:04:49 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -150,8 +150,6 @@ expand_targetlist(List *tlist, int command_type,
if (!resdom->resjunk && resdom->resno == attrno)
{
Assert(strcmp(resdom->resname,
NameStr(att_tup->attname)) == 0);
new_tle = old_tle;
tlist = lnext(tlist);
}