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postgresql/contrib/postgres_fdw
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Tom Lane 7204f35919 Revert commit 66c0185a3 and follow-on patches. 
This reverts 66c0185a3 (Allow planner to use Merge Append to
efficiently implement UNION) as well as the follow-on commits
d5d2205c8, 3b1a7eb28, 7487044d6.  In addition to those, 07746a8ef
had to be removed then re-applied in a different place, because
66c0185a3 moved the relevant code.

The reason for this last-minute thrashing is that depesz found a
case in which the patched code creates a completely wrong plan
that silently gives incorrect query results.  It's unclear what
the cause is or how many cases are affected, but with beta1 wrap
staring us in the face, there's no time for closer investigation.
After we figure that out, we can decide whether to un-revert this
for beta2 or hold it for v18.

Discussion: https://postgr.es/m/Zktzf926vslR35Fv@depesz.com
(also some private discussion among pgsql-release)
2024-05-20 15:08:30 -04:00
..
expected Revert commit 66c0185a3 and follow-on patches. 2024-05-20 15:08:30 -04:00
sql Revert commit 66c0185a3 and follow-on patches. 2024-05-20 15:08:30 -04:00
.gitignore Add postgres_fdw contrib module. 2013-02-21 05:27:16 -05:00
connection.c Make postgres_fdw request remote time zone 'GMT' not 'UTC'. 2024-04-21 13:46:20 -04:00
deparse.c Fixup various StringInfo function usages 2024-04-10 11:53:32 +12:00
Makefile postgres_fdw: Add function to list cached connections to foreign servers. 2021-01-18 15:11:08 +09:00
meson.build Update copyright for 2024 2024-01-03 20:49:05 -05:00
option.c Update copyright for 2024 2024-01-03 20:49:05 -05:00
postgres_fdw--1.0--1.1.sql postgres_fdw: Add functions to discard cached connections. 2021-01-26 15:35:54 +09:00
postgres_fdw--1.0.sql Add postgres_fdw contrib module. 2013-02-21 05:27:16 -05:00
postgres_fdw.c postgres_fdw: Improve comment about handling of asynchronous requests. 2024-04-11 19:25:00 +09:00
postgres_fdw.control postgres_fdw: Add function to list cached connections to foreign servers. 2021-01-18 15:11:08 +09:00
postgres_fdw.h Make dblink interruptible, via new libpqsrv APIs. 2024-01-08 11:39:56 -08:00
shippable.c Update copyright for 2024 2024-01-03 20:49:05 -05:00