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Alvaro Herrera 6f5c8a8ec2 Remove bogus restriction from BEFORE UPDATE triggers ... In trying to protect the user from inconsistent behavior, commit 487e9861d0 "Enable BEFORE row-level triggers for partitioned tables" tried to prevent BEFORE UPDATE FOR EACH ROW triggers from moving the row from one partition to another. However, it turns out that the restriction is wrong in two ways: first, it fails spuriously, preventing valid situations from working, as in bug #16794; and second, they don't protect from any misbehavior, because tuple routing would cope anyway. Fix by removing that restriction. We keep the same restriction on BEFORE INSERT FOR EACH ROW triggers, though. It is valid and useful there. In the future we could remove it by having tuple reroute work for inserts as it does for updates. Backpatch to 13. Author: Álvaro Herrera <alvherre@alvh.no-ip.org> Reported-by: Phillip Menke <pg@pmenke.de> Discussion: https://postgr.es/m/16794-350a655580fbb9ae@postgresql.org		5 years ago
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src	Remove bogus restriction from BEFORE UPDATE triggers	5 years ago
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