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current_setting returns 'unset' - Mailing list pgsql-hackers

From Peter Eisentraut
Subject current_setting returns 'unset'
Date
Msg-id 200601101141.18851.peter_e@gmx.net
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Responses Re: current_setting returns 'unset'  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: current_setting returns 'unset'  (Joe Conway <mail@joeconway.com>)
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The function current_setting returns 'unset' if a parameter is not set.  
Should it not return null?  This is not documented, so I guess this just 
arose out of the implementation, or is this intentional?

-- 
Peter Eisentraut
http://developer.postgresql.org/~petere/

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