Обсуждение: pgsql: Use ORDER BY on matview definitions were needed for stable plans

Use ORDER BY on matview definitions were needed for stable plans.

Per report from Hadi Moshayedi of matview regression test failure
with optimization of aggregates.  A few ORDER BY clauses improve
code coverage for matviews while solving that problem.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/241139ae4baf6264c3c2cd053a547833c6e49a59

Modified Files
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src/test/regress/expected/matview.out |   35 ++++++++++++++++++--------------
src/test/regress/sql/matview.sql      |    8 +++---
2 files changed, 24 insertions(+), 19 deletions(-)