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Re: WIP: generalized index constraints

Jeff Davis <pgsql@j-davis.com>

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From: Jeff Davis <pgsql@j-davis.com>
To: Joshua Tolley <eggyknap@gmail.com>
Cc: Brendan Jurd <direvus@gmail.com>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, pgsql-hackers@postgresql.org
Date: 2009-09-15T16:28:21Z
Lists: pgsql-hackers 
On Tue, 2009-09-15 at 08:08 -0600, Joshua Tolley wrote:
> Perhaps the tuple that caused the violation as well, like UNIQUE index
> violations already do? Even if we know what constraint has been tripped, we
> might not know what value did it.

Or, even better, include both tuples. With these new constraints the
conflicting tuples aren't necessarily equal.

Regards,
	Jeff Davis