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
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Makefile	Add pinning_backends column to the pg_buffercache extension.	2014-08-22 00:28:37 +02:00
pg_buffercache--1.0--1.1.sql	Add pinning_backends column to the pg_buffercache extension.	2014-08-22 00:28:37 +02:00
pg_buffercache--1.1.sql	Add pinning_backends column to the pg_buffercache extension.	2014-08-22 00:28:37 +02:00
pg_buffercache--unpackaged--1.0.sql	Throw a useful error message if an extension script file is fed to psql.	2011-10-12 15:45:03 -04:00
pg_buffercache.control	Add pinning_backends column to the pg_buffercache extension.	2014-08-22 00:28:37 +02:00
pg_buffercache_pages.c	Add pinning_backends column to the pg_buffercache extension.	2014-08-22 00:28:37 +02:00