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Tom Lane 9c58101117 Fix mishandling of system columns in FDW queries. ... postgres_fdw would send query conditions involving system columns to the remote server, even though it makes no effort to ensure that system columns other than CTID match what the remote side thinks. tableoid, in particular, probably won't match and might have some use in queries. Hence, prevent sending conditions that include non-CTID system columns. Also, create_foreignscan_plan neglected to check local restriction conditions while determining whether to set fsSystemCol for a foreign scan plan node. This again would bollix the results for queries that test a foreign table's tableoid. Back-patch the first fix to 9.3 where postgres_fdw was introduced. Back-patch the second to 9.2. The code is probably broken in 9.1 as well, but the patch doesn't apply cleanly there; given the weak state of support for FDWs in 9.1, it doesn't seem worth fixing. Etsuro Fujita, reviewed by Ashutosh Bapat, and somewhat modified by me		11 years ago
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expected	Fix mishandling of system columns in FDW queries.	11 years ago
sql	Fix mishandling of system columns in FDW queries.	11 years ago
.gitignore	Add postgres_fdw contrib module.	13 years ago
Makefile	Don't hardcode contrib_regression dbname in postgres_fdw and dblink tests.	11 years ago
connection.c	pgindent run for 9.4	11 years ago
deparse.c	Fix mishandling of system columns in FDW queries.	11 years ago
option.c	pgindent run for 9.4	11 years ago
postgres_fdw--1.0.sql	Add postgres_fdw contrib module.	13 years ago
postgres_fdw.c	postgres_fdw.h: don't pull in rel.h when relcache.h is enough	11 years ago
postgres_fdw.control	Add postgres_fdw contrib module.	13 years ago
postgres_fdw.h	postgres_fdw.h: don't pull in rel.h when relcache.h is enough	11 years ago