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Re: [PATCH] Generate column names for subquery expressions

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Marti Raudsepp <marti(at)juffo(dot)org>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [PATCH] Generate column names for subquery expressions
Date: 2011-09-01 01:48:20
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Marti Raudsepp <marti(at)juffo(dot)org> writes:
> In current PostgreSQL versions, subquery expressions in the SELECT list
> always generate columns with name "?column?"
> ...
> This patch improves on that:
>   select (SELECT 1 AS foo) => foo
>   select exists(SELECT 1)  => exists
>   select array(SELECT 1)   => array

> Does this sound like a good idea?

Seems like a lot of room for bikeshedding here, but we could certainly
consider doing something.

> Should I submit this to the CommitFest?


			regards, tom lane

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