Re: BUG #4748: hash join and sort-merge join make different results

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От Alvaro Herrera
Тема Re: BUG #4748: hash join and sort-merge join make different results
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Msg-id 20090403191013.GJ23023@alvh.no-ip.org
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Ответ на BUG #4748: hash join and sort-merge join make different results  ("Roman Kononov" <kononov@ftml.net>)
Ответы Re: BUG #4748: hash join and sort-merge join make different results  (Jaime Casanova <jcasanov@systemguards.com.ec>)
Re: BUG #4748: hash join and sort-merge join make different results  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: BUG #4748: hash join and sort-merge join make different results  ("Dickson S. Guedes" <listas@guedesoft.net>)
Список pgsql-bugs
Roman Kononov wrote:

> Description:        hash join and sort-merge join make different results
> Details:
>
> test-std=# create table t(s int,i interval);
> CREATE TABLE
> test-std=# insert into t values (0,'30 days'), (1,'1 month');
> INSERT 0 2
> test-std=# select * from t as a, t as b where a.i=b.i;

Reproducible in 8.2.13 as well ..

--
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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