Обсуждение: pgsql: Fix pgbench in prepared mode with an empty pipeline

Fix pgbench in prepared mode with an empty pipeline

It crashes because it references memory that's not allocated in that
particular case.  Fix by allocating it.

Reported-by: Alexander Lakhin <exclusion@gmail.com>
Discussion: https://postgr.es/m/bcf802a6-afc1-95b9-7bf4-c5dd868ec144@gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/8f5e42d3346924b5d6330208d62ec1b19fdbc110

Modified Files
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src/bin/pgbench/pgbench.c                    | 44 ++++++++++++++++------------
src/bin/pgbench/t/001_pgbench_with_server.pl |  2 ++
2 files changed, 28 insertions(+), 18 deletions(-)