pgsql: Fix SIGSEGV in pruning for ScalarArrayOp with constant-nullarra - Mailing list pgsql-committers

Fix SIGSEGV in pruning for ScalarArrayOp with constant-null array.

Not much to be said here: commit 9fdb675fc should have checked
constisnull, didn't.

Per report from Piotr Włodarczyk.  Back-patch to v11 where
bug was introduced.

Discussion: https://postgr.es/m/CAP-dhMr+vRpwizEYjUjsiZ1vwqpohTm+3Pbdt6Pr7FEgPq9R0Q@mail.gmail.com

Branch
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REL_11_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/2f729d83226705d1149419a2aef7c1678fe641ec

Modified Files
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src/backend/partitioning/partprune.c          |  7 ++-
src/test/regress/expected/partition_prune.out | 68 +++++++++++++++++++++++++++
src/test/regress/sql/partition_prune.sql      | 10 ++++
3 files changed, 84 insertions(+), 1 deletion(-)