Expand coverage of parallel gather merge a bit.
Previously paths reaching heap_compare_slots weren't covered.
Author: Rushabh Lathia
Reviewed-By: Andres Freund
Discussion:
https://postgr.es/m/CAGPqQf3C+3PBujb+7m=ceWeii4-vBY=xs99ljzrpkpefvzj...@mail.gmail.com
https://postgr.es/m/27200.1502482...@sss.pgh.pa.us
Backpatch: 10, where gather merge was introduced
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/d2bc501573d98ff5541271dca94fb5f7a004ecbf
Modified Files
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src/test/regress/expected/select_parallel.out | 69 +++++++++++++++++++++------
src/test/regress/sql/select_parallel.sql | 14 ++++--
2 files changed, 65 insertions(+), 18 deletions(-)
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