pgsql: Restore partition_prune's usage of parallel workers

From: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Restore partition_prune's usage of parallel workers
Date: 2018-04-16 21:14:15
Message-ID: E1f8BS3-0003xf-NQ@gemulon.postgresql.org
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Restore partition_prune's usage of parallel workers

This reverts commit 4d0f6d3f207d ("Attempt to stabilize partition_prune
test output (2)"), and attempts to stabilize the test by using string
replacement to hide any loop count difference in parallel nodes.

Discussion: https://postgr.es/m/4475.1523628300@sss.pgh.pa.us

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/47c91b55991883322fdbc4495ce7fe6b2166e8fe

Modified Files
--------------
src/test/regress/expected/partition_prune.out | 144 +++++++++++++++-----------
src/test/regress/sql/partition_prune.sql | 39 +++++--
2 files changed, 109 insertions(+), 74 deletions(-)

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