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Fujii Masao e3ebcca843 postgres_fdw: Fix connection leak. ... In postgres_fdw, the cached connections to foreign servers will not be closed until the local session exits if the user mappings or foreign servers that those connections depend on are dropped. Those connections can be leaked. To fix that connection leak issue, after a change to a pg_foreign_server or pg_user_mapping catalog entry, this commit makes postgres_fdw close the connections depending on that entry immediately if current transaction has not used those connections yet. Otherwise, mark those connections as invalid and then close them at the end of current transaction, since they cannot be closed in the midst of the transaction using them. Closed connections will be remade at the next opportunity if necessary. Back-patch to all supported branches. Author: Bharath Rupireddy Reviewed-by: Zhihong Yu, Zhijie Hou, Fujii Masao Discussion: https://postgr.es/m/CALj2ACVNcGH_6qLY-4_tXz8JLvA+4yeBThRfxMz7Oxbk1aHcpQ@mail.gmail.com		5 years ago
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expected	postgres_fdw: Fix connection leak.	5 years ago
sql	postgres_fdw: Fix connection leak.	5 years ago
.gitignore	Add postgres_fdw contrib module.	13 years ago
Makefile	Split all OBJS style lines in makefiles into one-line-per-entry style.	6 years ago
connection.c	postgres_fdw: Fix connection leak.	5 years ago
deparse.c	Support subscripting of arbitrary types, not only arrays.	5 years ago
option.c	Initial pgindent and pgperltidy run for v13.	5 years ago
postgres_fdw--1.0.sql	Add postgres_fdw contrib module.	13 years ago
postgres_fdw.c	Move per-agg and per-trans duplicate finding to the planner.	5 years ago
postgres_fdw.control	Add postgres_fdw contrib module.	13 years ago
postgres_fdw.h	Update copyrights for 2020	6 years ago
shippable.c	Improve hash_create()'s API for some added robustness.	5 years ago