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per-statement-level INSTEAD OF triggers - Mailing list pgsql-hackers

From Yugo Nagata
Subject per-statement-level INSTEAD OF triggers
Date
Msg-id 20160808174000.8272274f.nagata@sraoss.co.jp
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Responses Re: per-statement-level INSTEAD OF triggers  (Robert Haas <robertmhaas@gmail.com>)
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Hi hackers,

I'm asking out of curiosity, do anyone know why we don't have
per-statement-level INSTEAD OF triggers? I looked into the 
standard SQL (20xx draft), but I can't find the restriction
such that INSTEAD OF triggers must be row-level. Is there
any technical difficulties, or other reasons for the current
implementation?

Best regards,

-- 
Yugo Nagata <nagata@sraoss.co.jp>

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