| From: | Amit Kapila <akapila(at)postgresql(dot)org> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: Don't consider parallel append for parallel unsafe paths. |
| Date: | 2018-06-20 02:54:21 |
| Message-ID: | E1fVTGH-0001XN-J6@gemulon.postgresql.org |
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| Thread: | |
| Lists: | pgsql-committers |
Don't consider parallel append for parallel unsafe paths.
Commit ab72716778 allowed Parallel Append paths to be generated for a
relation that is not parallel safe. Prevent that from happening.
Initial analysis by Tom Lane.
Reported-by: Rajkumar Raghuwanshi
Author: Amit Kapila and Rajkumar Raghuwanshi
Reviewed-by: Amit Khandekar and Robert Haas
Discussion:https://postgr.es/m/CAKcux6=tPJ6nJ08r__nU_pmLQiC0xY15Fn0HvG1Cprsjdd9s_Q@mail.gmail.com
Branch
------
master
Details
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https://git.postgresql.org/pg/commitdiff/403318b71f7058ecbfb65bcc7de1eec96cd35d3f
Modified Files
--------------
src/backend/optimizer/path/allpaths.c | 5 ++++-
src/test/regress/expected/select_parallel.out | 26 ++++++++++++++++++++++++++
src/test/regress/sql/select_parallel.sql | 9 +++++++++
3 files changed, 39 insertions(+), 1 deletion(-)
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