From: | Heikki Linnakangas <heikki(dot)linnakangas(at)iki(dot)fi> |
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To: | pgsql-committers(at)postgresql(dot)org |
Subject: | pgsql: Fix two bugs in tsquery @> operator. |
Date: | 2014-10-27 08:52:26 |
Message-ID: | E1Xig2M-0003vk-Ay@gemulon.postgresql.org |
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Thread: | |
Lists: | pgsql-committers |
Fix two bugs in tsquery @> operator.
1. The comparison for matching terms used only the CRC to decide if there's
a match. Two different terms with the same CRC gave a match.
2. It assumed that if the second operand has more terms than the first, it's
never a match. That assumption is bogus, because there can be duplicate
terms in either operand.
Rewrite the implementation in a way that doesn't have those bugs.
Backpatch to all supported versions.
Branch
------
REL9_2_STABLE
Details
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http://git.postgresql.org/pg/commitdiff/604d94d4cacc787bfa41452785a2927c24829fc5
Modified Files
--------------
src/backend/utils/adt/tsquery_op.c | 131 +++++++++++++++++++++++++-----------
1 file changed, 90 insertions(+), 41 deletions(-)
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Next Message | Michael Paquier | 2014-10-27 10:24:01 | Re: pgsql: Fix two bugs in tsquery @> operator. |
Previous Message | Bruce Momjian | 2014-10-27 08:46:04 | pgsql: Add variable names to two LWLock C prototypes |