Re: Changed SRF in targetlist handling

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Fetter <david(at)fetter(dot)org>
Cc: Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Changed SRF in targetlist handling
Date: 2016-05-23 17:36:57
Message-ID: 1199.1464025017@sss.pgh.pa.us
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David Fetter <david(at)fetter(dot)org> writes:
> On Mon, May 23, 2016 at 01:10:29PM -0400, Tom Lane wrote:
>> This seems a bridge too far to me. It's just way too common to do
>> "select generate_series(1,n)". We could tell people they have to
>> rewrite to "select * from generate_series(1,n)", but it would be far
>> more polite to do that for them.

> How about making "TABLE generate_series(1,n)" work? It's even
> shorter in exchange for some cognitive load.

No thanks --- the word after TABLE ought to be a table name, not some
arbitrary expression. That's way too much mess to save one keystroke.

regards, tom lane

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