pgsql: Fix memory leak in IndexScan node with reordering

From: Alexander Korotkov <akorotkov(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Fix memory leak in IndexScan node with reordering
Date: 2022-02-14 01:17:54
Message-ID: E1nJQ02-0001Sv-4P@gemulon.postgresql.org
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Fix memory leak in IndexScan node with reordering

Fix ExecReScanIndexScan() to free the referenced tuples while emptying the
priority queue. Backpatch to all supported versions.

Discussion: https://postgr.es/m/CAHqSB9gECMENBQmpbv5rvmT3HTaORmMK3Ukg73DsX5H7EJV7jw%40mail.gmail.com
Author: Aliaksandr Kalenik
Reviewed-by: Tom Lane, Alexander Korotkov
Backpatch-through: 10

Branch
------
master

Details
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https://git.postgresql.org/pg/commitdiff/3f74daa8dfc634132ff7270212c57da5e316b001

Modified Files
--------------
src/backend/executor/nodeIndexscan.c | 6 +++++-
src/test/regress/expected/create_index.out | 27 +++++++++++++++++++++++++++
src/test/regress/sql/create_index.sql | 4 ++++
3 files changed, 36 insertions(+), 1 deletion(-)

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