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Re: operator exclusion constraints

Alvaro Herrera <alvherre@commandprompt.com>

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From: Alvaro Herrera <alvherre@commandprompt.com>
To: Greg Stark <gsstark@mit.edu>
Cc: "David E. Wheeler" <david@kineticode.com>, Jeff Davis <pgsql@j-davis.com>, Simon Riggs <simon@2ndquadrant.com>, Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>, Peter Eisentraut <peter_e@gmx.net>, pgsql-hackers@postgresql.org
Date: 2009-11-09T19:14:10Z
Lists: pgsql-hackers 
Greg Stark escribió:

> Out of curiosity, is this feature at all similar to SQL assertions?
> What would we be missing to turn this into them?

I see no relationship to assertions.  Those are not tied to any
particular table, and are defined with any random expression you care to
think of.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
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