On Mar 22, 2011, at 4:12 PM, Andy Chambers wrote:
> How is the return value of a trigger function defined in plpgsql used? I can't find
> anything in the documentation but some of the examples return NULL, and others return
> something like NEW.
<http://www.postgresql.org/docs/9.0/static/trigger-definition.html>
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Scott Ribe
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