From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Treat <xzilla@users.sourceforge.net>
Cc: pgsql-sql@postgresql.org
Subject: Re: partial unique constraint
Date: Tue, 06 Apr 2004 11:17:03 -0400
Message-ID: <24888.1081264623@sss.pgh.pa.us> (raw)
In-Reply-To: <1081261772.31785.48.camel@camel>
References: <1081261772.31785.48.camel@camel>
Robert Treat <xzilla@users.sourceforge.net> writes:
> Trying to come up with the proper syntax to meet the following criteria:
> create table foo (bar integer, baz boolean UNIQUE (bar, baz = true));
The correct way to do it is with a separate CREATE INDEX command:
create table foo (bar integer, baz boolean);
create unique index fooi on foo (bar) where baz = true;
Personally I'd spell that last as just "where baz" ...
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, xzilla@users.sourceforge.net
Subject: Re: partial unique constraint
In-Reply-To: <24888.1081264623@sss.pgh.pa.us>
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