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Re: PostgreSQL 10 changes in exclusion constraints - did something change? CASE WHEN behavior oddity

From:	'Andres Freund' <andres(at)anarazel(dot)de>
To:	Regina Obe <lr(at)pcorp(dot)us>
Cc:	'Tom Lane' <tgl(at)sss(dot)pgh(dot)pa(dot)us>, 'Mark Dilger' <hornschnorter(at)gmail(dot)com>, 'PostgreSQL-development' <pgsql-hackers(at)postgresql(dot)org>
Subject:	Re: PostgreSQL 10 changes in exclusion constraints - did something change? CASE WHEN behavior oddity
Date:	2017-06-08 17:07:22
Message-ID:	20170608170722.hhfa4yuwl23bgfky@alap3.anarazel.de
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On 2017-06-08 11:57:49 -0400, Regina Obe wrote:
> My main concern in these cases is the short-circuiting not happening.

Note there's also no short-circuiting e.g. for aggregates inside case
either.

- Andres

In response to

Re: PostgreSQL 10 changes in exclusion constraints - did something change? CASE WHEN behavior oddity at 2017-06-08 15:57:49 from Regina Obe

Responses

Re: PostgreSQL 10 changes in exclusion constraints - did something change? CASE WHEN behavior oddity at 2017-06-08 17:50:57 from Tom Lane

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