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Tom Lane fd496129d1 Clean up some mess in row-security patches. ... Fix unsafe coding around PG_TRY in RelationBuildRowSecurity: can't change a variable inside PG_TRY and then use it in PG_CATCH without marking it "volatile". In this case though it seems saner to avoid that by doing a single assignment before entering the TRY block. I started out just intending to fix that, but the more I looked at the row-security code the more distressed I got. This patch also fixes incorrect construction of the RowSecurityPolicy cache entries (there was not sufficient care taken to copy pass-by-ref data into the cache memory context) and a whole bunch of sloppiness around the definition and use of pg_policy.polcmd. You can't use nulls in that column because initdb will mark it NOT NULL --- and I see no particular reason why a null entry would be a good idea anyway, so changing initdb's behavior is not the right answer. The internal value of '\0' wouldn't be suitable in a "char" column either, so after a bit of thought I settled on using '*' to represent ALL. Chasing those changes down also revealed that somebody wasn't paying attention to what the underlying values of ACL_UPDATE_CHR etc really were, and there was a great deal of lackadaiscalness in the catalogs.sgml documentation for pg_policy and pg_policies too. This doesn't pretend to be a complete code review for the row-security stuff, it just fixes the things that were in my face while dealing with the bugs in RelationBuildRowSecurity.		11 years ago
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src	Clean up some mess in row-security patches.	11 years ago
KNOWN_BUGS	…
MISSING_FEATURES	…
Makefile	Remove maintainer-check target, fold into normal build	13 years ago
TODO	…
bug.template	Stamp HEAD as 9.5devel.	12 years ago