Re: Uniqueness of rule, constraint, and trigger names

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL Development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: Uniqueness of rule, constraint, and trigger names
Date: 2002-03-11 01:33:43
Message-ID: Pine.LNX.4.30.0203102031360.684-100000@peter.localdomain
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Tom Lane writes:

> The SQL spec is not a great deal of help on this, since it doesn't
> have rules or triggers at all.

The SQL spec has triggers, and their names are supposed to be
globally unique.

> For constraints, it requires database-wide uniqueness of constraint
> names --- a rule I doubt anyone is going to favor adopting for
> Postgres.

This should probably be schema-wide, which poses much less of a problem.

--
Peter Eisentraut peter_e(at)gmx(dot)net

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