From: Віталій Тимчишин <tivv00@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Constraint propagating for equal fields
Date: Mon, 1 Feb 2010 15:30:57 +0200
Message-ID: <331e40661002010530u5c03068ek9878037344e23178@mail.gmail.com> (raw)
In-Reply-To: <407d949e1001291830v5245c2bbhebd14dc0e183eb1@mail.gmail.com>
References: <331e40661001280321ka774d66j8594e2b3fb2c2b8b@mail.gmail.com>
<407d949e1001291830v5245c2bbhebd14dc0e183eb1@mail.gmail.com>
30 січня 2010 р. 04:30 Greg Stark <gsstark@mit.edu> написав:
> 2010/1/28 Віталій Тимчишин <tivv00@gmail.com>
> >
> > I've always thought that PostgreSQL would propagate constraint from
> field1 to field2 if condition says field1=field2, but this does not seem the
> case:
>
> version?
>
>
PostgreSQL 8.3.7 on amd64-portbld-freebsd7.2, compiled by GCC cc (GCC) 4.2.1
20070719 [FreeBSD]
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To: pgsql-performance@postgresql.org
Cc: tivv00@gmail.com
Subject: Re: Constraint propagating for equal fields
In-Reply-To: <331e40661002010530u5c03068ek9878037344e23178@mail.gmail.com>
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