Re: Exclusion Constraint vs. Constraint Exclusion

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Fetter <david(at)fetter(dot)org>
Cc: PG Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Exclusion Constraint vs. Constraint Exclusion
Date: 2009-12-08 00:11:56
Message-ID: 27351.1260231116@sss.pgh.pa.us
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David Fetter <david(at)fetter(dot)org> writes:
> We have a very unfortunate naming situation with Jeff Davis's new
> feature, namely the shorter name, which is one permutation away from
> an existing and entirely unrelated feature: Constraint Exclusion,
> which has to do with queries over partitioned tables and like
> entities.

> Renaming it, which I believe we should do Really Soon(TM), to Operator
> [Exclusion] Constraints would fix this problem.

Too late. I just spent about two days making that patch follow the
"exclusion constraints" naming, and I'm not undoing that work.

regards, tom lane

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