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Re: Is this a bug or a feature? Column visibility in subquery from outer query

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To: Tom Lane <tgl@xxxxxxxxxxxxx>
Subject: Re: Is this a bug or a feature? Column visibility in subquery from outer query
From: Paolo Saul <paolo.saul@xxxxxxxxxxx>
Date: Tue, 19 May 2009 09:40:30 +1200
Cc: pgsql-general@xxxxxxxxxxxxxx
In-reply-to: <29685.1242656877@xxxxxxxxxxxxx>

Thank you for clearing that up.

Regards,
Paolo Saul

This behavior is required by the SQL standard. It's called an outer
reference.

regards, tom lane

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References:
- Is this a bug or a feature? Column visibility in subquery from outer query
  - From: Paolo Saul
- Re: Is this a bug or a feature? Column visibility in subquery from outer query
  - From: Tom Lane

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