From: Tom Lane <tgl@sss.pgh.pa.us>
To: Mario Splivalo <mario.splivalo@megafon.hr>
Cc: pgsql-sql@postgresql.org
Subject: Re: Subselect strange behaviour - bug?
Date: Sun, 16 Mar 2008 14:28:08 -0400
Message-ID: <430.1205692088@sss.pgh.pa.us> (raw)
In-Reply-To: <47DD5D3A.6060100@megafon.hr>
References: <47DD5D3A.6060100@megafon.hr>
Mario Splivalo <mario.splivalo@megafon.hr> writes:
> And here is the 'problematic' query:
> melem=# select * from t2 where id1 in (select id1 from t1);
> I guess postgres should tell me that column name id1 is nonexistant in
> table t1.
No, it shouldn't, because that's a perfectly legal outer reference;
that is, what you wrote is equivalent to
select * from t2 where id1 in (select t2.id1 from t1);
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, mario.splivalo@megafon.hr
Subject: Re: Subselect strange behaviour - bug?
In-Reply-To: <430.1205692088@sss.pgh.pa.us>
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