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Re: BUG #4422: select ... where ... NOT EXISTS / NOT IN - Mailing list pgsql-bugs

From hubert depesz lubaczewski
Subject Re: BUG #4422: select ... where ... NOT EXISTS / NOT IN
Date
Msg-id 20080917154902.GB22210@depesz.com
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In response to BUG #4422: select ... where ... NOT EXISTS / NOT IN  ("vasile" <vasile@gmail.com>)
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On Wed, Sep 17, 2008 at 02:53:51PM +0000, vasile wrote:
> I have this 2 similar queries.
>
> Why the 1st query is returning 1000+ rows and the 2nd one no rows ?
>   The col1 is not empty in both tables.

there is no bug.
check this:

http://www.depesz.com/index.php/2008/08/13/nulls-vs-not-in/

Best regards,

depesz

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