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proposal: make NOTIFY list de-duplication optional - Mailing list pgsql-hackers

From Filip Rembiałkowski
Subject proposal: make NOTIFY list de-duplication optional
Date
Msg-id CAP_rwwn2z0gPOn8GuQ3qDVS5+HgEcG2EzEOyiJtcA=vpDEhoCg@mail.gmail.com
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Responses Re: proposal: make NOTIFY list de-duplication optional
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- new GUC in "Statement Behaviour" section, notify_duplicate_removal (default true)


Rationale: for some legitimate use cases, duplicate removal is not required, and it gets O(N^2) cost on large COPY/ insert transactions.








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