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Robert Haas 96198d94cb Avoid multiple foreign server connections when all use same user mapping. ... Previously, postgres_fdw's connection cache was keyed by user OID and server OID, but this can lead to multiple connections when it's not really necessary. In particular, if all relevant users are mapped to the public user mapping, then their connection options are certainly the same, so one connection can be used for all of them. While we're cleaning things up here, drop the "server" argument to GetConnection(), which isn't really needed. This saves a few cycles because callers no longer have to look this up; the function itself does, but only when establishing a new connection, not when reusing an existing one. Ashutosh Bapat, with a few small changes by me.		10 years ago
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expected	postgres_fdw: Consider requesting sorted data so we can do a merge join.	10 years ago
sql	postgres_fdw: Consider requesting sorted data so we can do a merge join.	10 years ago
.gitignore	Add postgres_fdw contrib module.	13 years ago
Makefile	Allow postgres_fdw to ship extension funcs/operators for remote execution.	10 years ago
connection.c	Avoid multiple foreign server connections when all use same user mapping.	10 years ago
deparse.c	Update copyright for 2016	10 years ago
option.c	Update copyright for 2016	10 years ago
postgres_fdw--1.0.sql	Add postgres_fdw contrib module.	13 years ago
postgres_fdw.c	Avoid multiple foreign server connections when all use same user mapping.	10 years ago
postgres_fdw.control	Add postgres_fdw contrib module.	13 years ago
postgres_fdw.h	Avoid multiple foreign server connections when all use same user mapping.	10 years ago
shippable.c	Update copyright for 2016	10 years ago