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3 commits

Author SHA1 Message Date
Robert Haas
06d7fd6e29 Update pg_buffercache extension for parallel query. 
The pg_buffercache_pages function provided by this extension is
PARALLEL SAFE.

Andreas Karlsson
 2016-06-09 17:18:12 -04:00
Andres Freund
f57791985a Add pinning_backends column to the pg_buffercache extension. 
The new column shows how many backends have a buffer pinned. That can
be useful during development or to diagnose production issues
e.g. caused by vacuum waiting for cleanup locks.

To handle upgrades transparently - the extension might be used in
views - deal with callers expecting the old number of columns.

Reviewed by Fujii Masao and Rajeev rastogi.
 2014-08-22 00:28:37 +02:00
Tom Lane
629b3af27d Convert contrib modules to use the extension facility. 
This isn't fully tested as yet, in particular I'm not sure that the
"foo--unpackaged--1.0.sql" scripts are OK.  But it's time to get some
buildfarm cycles on it.

sepgsql is not converted to an extension, mainly because it seems to
require a very nonstandard installation process.

Dimitri Fontaine and Tom Lane
 2011-02-13 22:54:49 -05:00