Re: [BUGS] General Bug Report: adding column to table w/ index causes column not to be seen

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: Diab Jerius <djerius(at)cfa(dot)harvard(dot)edu>
Cc: pgsql-bugs(at)postgreSQL(dot)org
Subject: Re: [BUGS] General Bug Report: adding column to table w/ index causes column not to be seen
Date: 1999-05-17 16:11:20
Message-ID: 199905171611.MAA11169@candle.pha.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-bugs


I think we fixed this in 6.5 beta. Can you try that one from our ftp
site?

> --------------------
> It seems that if a column is created in a table with an existant index,
> and an attempt is made to use that index, the backend doesn't
> see the new column.
>
> --------------------------------------------------------------------------
>
> Test Case:
> ----------
> The following SQL illustrates the problem:
>
> ======================================
> drop table snafu;
> create table snafu ( a1 text, a2 text );
> insert into snafu values ( 'snark', 'fido' );
> create index snafu_i1 on snafu using hash ( a1 );
> alter table snafu add column a3 text;
> update snafu set a3 = 'snzay' where a1 = 'snark';
> =========================================
>
> This results in
>
> drop table snafu;
> DROP
>
> create table snafu ( a1 text, a2 text );
> CREATE
>
> insert into snafu values ( 'snark', 'fido' );
> INSERT 156996266 1
>
> create index snafu_i1 on snafu using hash ( a1 );
> CREATE
>
> alter table snafu add column a3 text;
> ADD
>
> update snafu set a3 = 'snzay' where a1 = 'snark';
> ERROR: Relation snafu does not have attribute a3
>
> Removing the "create index ..." line causes the problem to
> go away.
>
>
>
> --------------------------------------------------------------------------
>
> Solution:
> ---------
>
>
> --------------------------------------------------------------------------
>
>
>

--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026

In response to

Browse pgsql-bugs by date

  From Date Subject
Next Message K Sambaiah 1999-05-19 07:29:56 error
Previous Message Unprivileged user 1999-05-17 15:38:30 General Bug Report: adding column to table w/ index causes column not to be seen