Re: Values list-of-targetlists patch for comments (was Re: [PATCHES] 8.2 features?)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Joe Conway <mail(at)joeconway(dot)com>
Cc: Christopher Kings-Lynne <chris(dot)kings-lynne(at)calorieking(dot)com>, "Hackers (PostgreSQL)" <pgsql-hackers(at)postgresql(dot)org>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Bernd Helmle <mailings(at)oopsware(dot)de>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Susanne Ebrecht <susanne(dot)ebrecht(at)credativ(dot)de>
Subject: Re: Values list-of-targetlists patch for comments (was Re: [PATCHES] 8.2 features?)
Date: 2006-07-30 01:50:03
Message-ID: 21588.1154224203@sss.pgh.pa.us
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Joe Conway <mail(at)joeconway(dot)com> writes:
> Tom Lane wrote:
>> As for the types, I believe that the spec pretty much dictates that we
>> apply the same type resolution algorithm as for a UNION.

> Where do I find that algorithm -- somewhere in nodeAppend.c?

select_common_type(), in the parser.

regards, tom lane

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