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Code cleanup inspired by recent resname bug report (doesn't fix the bug

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yet, though).  Avoid using nth() to fetch tlist entries; provide a
common routine get_tle_by_resno() to search a tlist for a particular
resno.  This replaces a couple uses of nth() and a dozen hand-coded
search loops.  Also, replace a few uses of nth(length-1, list) with
llast().
This commit is contained in:
Tom Lane
2003-08-11 20:46:47 +00:00
parent cae912d05b
commit 88381ade63
12 changed files with 161 additions and 316 deletions
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4
src/backend/catalog/pg_proc.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/pg_proc.c,v 1.104 2003/08/04 02:39:58 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/pg_proc.c,v 1.105 2003/08/11 20:46:46 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -371,7 +371,7 @@ check_sql_fn_retval(Oid rettype, char fn_typtype, List *queryTreeList)
}
/* find the final query */
parse = (Query *) nth(length(queryTreeList) - 1, queryTreeList);
parse = (Query *) llast(queryTreeList);
cmd = parse->commandType;
tlist = parse->targetList;