pgsql: Make DISCARD SEQUENCES also discard the last used sequence.

Lists: pgsql-committers
From: Robert Haas <rhaas(at)postgresql(dot)org>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Make DISCARD SEQUENCES also discard the last used sequence.
Date: 2013-10-07 19:57:07
Message-ID: E1VTGvT-00047S-GW@gemulon.postgresql.org
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Make DISCARD SEQUENCES also discard the last used sequence.

Otherwise, we access already-freed memory. Oops.

Report by Michael Paquier. Fix by me.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/16a906f535082fcf3d8c6732d8e941e037bc6d5e

Modified Files
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src/backend/commands/sequence.c | 2 ++
src/test/regress/expected/sequence.out | 3 +++
src/test/regress/sql/sequence.sql | 2 ++
3 files changed, 7 insertions(+)