From: Bruce Momjian <maillist@candle.pha.pa.us>
To: jwieck@debis.com
Cc: jwieck@debis.com
Cc: hackers@postgreSQL.org
Subject: Re: [HACKERS] Open 6.4 items
Date: Fri, 2 Oct 1998 17:34:05 -0400 (EDT)
Message-ID: <199810022134.RAA20998@candle.pha.pa.us> (raw)
In-Reply-To: <m0zPAWZ-000EBQC@orion.SAPserv.Hamburg.dsh.de>
Applied.
> > > > SELECT * FROM pg_rules WHERE pg_rules.oid = pg_class.oid crashes
> > >
> > > Will take a look at it.
> > >
>
> Please apply the patch at the end. Disables use of system
> columns of views at all (not only oid, cmin etc. too).
>
> pgsql=> select cmin from pg_rules;
> ERROR: system column cmin not available - pg_rules is a view
> pgsql=> select * from pg_rules where pg_rules.oid = pg_class.oid;
> ERROR: system column oid not available - pg_rules is a view
> pgsql=>
>
> initdb and regression tests still O.K.
>
> > > > handle oid's on views by either disallowing it or meaningful results
> > > > CREATE INDEX i_test ON pg_class (upper(relname)) fails
>
> Fixed by earlier applied patch.
>
>
> Jan
>
> --
>
> #======================================================================#
> # It's easier to get forgiveness for being wrong than for being right. #
> # Let's break this rule - forgive me. #
> #======================================== jwieck@debis.com (Jan Wieck) #
>
> diff -cr src.orig/backend/rewrite/rewriteHandler.c src/backend/rewrite/rewriteHandler.c
> *** src.orig/backend/rewrite/rewriteHandler.c Fri Oct 2 19:32:27 1998
> --- src/backend/rewrite/rewriteHandler.c Fri Oct 2 19:43:15 1998
> ***************
> *** 1777,1782 ****
> --- 1777,1784 ----
> var->varno == rt_index) {
> Node *exp;
>
> + if (var->varattno < 0)
> + elog(ERROR, "system column %s not available - %s is a view", get_attname(rte->relid, var->varattno), rte->relname);
> exp = FindMatchingTLEntry(
> tlist,
> get_attname(rte->relid,
>
--
Bruce Momjian | http://www.op.net/~candle
maillist@candle.pha.pa.us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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To: pgsql-hackers@postgresql.org
Cc: maillist@candle.pha.pa.us, jwieck@debis.com, hackers@postgreSQL.org
Subject: Re: [HACKERS] Open 6.4 items
In-Reply-To: <199810022134.RAA20998@candle.pha.pa.us>
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