pgsql: Update comment about set_join_pathlist_hook(). - Mailing list pgsql-committers

From Etsuro Fujita
Subject pgsql: Update comment about set_join_pathlist_hook().
Date
Msg-id E1qjHNk-0056pp-Qy@gemulon.postgresql.org
Whole thread Raw
List pgsql-committers
Update comment about set_join_pathlist_hook().

The comment introduced by commit e7cb7ee14 was a bit too terse, which
could lead to extensions doing different things within the hook function
than we intend to allow.  Extend the comment to explain what they can do
within the hook function.

Back-patch to all supported branches.

In passing, I rephrased a nearby comment that I recently added to the
back branches.

Reviewed by David Rowley and Andrei Lepikhov.

Discussion: https://postgr.es/m/CAPmGK15SBPA1nr3Aqsdm%2BYyS-ay0Ayo2BRYQ8_A2To9eLqwopQ%40mail.gmail.com

Branch
------
REL_16_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/3e2fe325526279086e7c1cc080d9152185b936a3

Modified Files
--------------
src/backend/optimizer/path/joinpath.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)


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