From: | rhaas(at)postgresql(dot)org (Robert Haas) |
---|---|
To: | pgsql-committers(at)postgresql(dot)org |
Subject: | pgsql: Fix inheritance count tracking in ALTER TABLE .. |
Date: | 2010-08-03 15:47:02 |
Message-ID: | 20100803154702.A8FB77541D7@cvs.postgresql.org |
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Lists: | pgsql-committers |
Log Message:
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Fix inheritance count tracking in ALTER TABLE .. ADD CONSTRAINT.
Without this patch, constraints inherited by children of a parent
table which itself has multiple inheritance parents can end up with
the wrong coninhcount. After dropping the constraint, the children
end up with a leftover copy of the constraint that is not dumped
and cannot be dropped. There is a similar problem with ALTER TABLE
.. ADD COLUMN, but that looks significantly more difficult to
resolve, so I'm committing this fix separately.
Back-patch to 8.4, which is the first release that has coninhcount.
Report by Hank Enting.
Modified Files:
--------------
pgsql/src/backend/commands:
tablecmds.c (r1.337 -> r1.338)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/tablecmds.c?r1=1.337&r2=1.338)
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