Re: SRF/dropped column bug - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: SRF/dropped column bug
Date
Msg-id 200410061737.i96HbXA01992@candle.pha.pa.us
Whole thread Raw
In response to SRF/dropped column bug  (Joe Conway <mail@joeconway.com>)
Responses Re: SRF/dropped column bug
List pgsql-hackers
I can confirm this bug still exists in CVS.

---------------------------------------------------------------------------

Joe Conway wrote:
> I see this behavior with CVS tip:
> 
> CREATE TABLE wibble (a integer, b integer);
> INSERT INTO wibble VALUES (1,1);
> ALTER TABLE wibble ADD COLUMN c BIGINT;
> UPDATE wibble SET c = b;
> ALTER TABLE wibble DROP COLUMN b;
> ALTER TABLE wibble RENAME c TO b;
> CREATE FUNCTION foobar() RETURNS SETOF wibble AS
> 'SELECT * FROM wibble' LANGUAGE SQL;
> 
> regression=# SELECT * FROM wibble;
>   a | b
> ---+---
>   1 | 1
> (1 row)
> 
> regression=# select * from foobar();
>   a | b
> ---+---
>   1 |
> (1 row)
> 
> The example comes from a complaint in January 2004, at which time it 
> would instead throw an ERROR:
> 
> ERROR: query-specified return row and actual function return row do not
> match
> 
> I'll start digging into this, but any hints on where to look would be 
> greatly appreciated.
> 
> Thanks,
> 
> Joe
> 
> ---------------------------(end of broadcast)---------------------------
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> 
>                http://www.postgresql.org/docs/faqs/FAQ.html
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--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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