Re: BUG #4250: subquery in query

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: <pgsql-bugs(at)postgresql(dot)org>,"Wojciech Tylek" <wat(at)wat(dot)net(dot)pl>
Subject: Re: BUG #4250: subquery in query
Date: 2008-06-17 21:55:54
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>>> "Wojciech Tylek" <wat(at)wat(dot)net(dot)pl> wrote:

> Why the query like:
> select * from b where a_id in (select a_id from a where b_id in
> does not return error?
> The table "a" does not have b_id!

This is a correlated subquery. A previous list post on the topic:

I hope this helps.


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