Re: [BUGS] General Bug Report: adding column to table w/ index causes column not to be seen - Mailing list pgsql-bugs

From Bruce Momjian
Subject Re: [BUGS] General Bug Report: adding column to table w/ index causes column not to be seen
Date
Msg-id 199905171611.MAA11169@candle.pha.pa.us
Whole thread Raw
In response to General Bug Report: adding column to table w/ index causes column not to be seen  (Unprivileged user <nobody>)
List 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:
> ---------
>
>
> --------------------------------------------------------------------------
>
>
>


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