pg_buffercache: document column meanings

Bruce Momjian <bruce@momjian.us>

Commit: 74414bbd90a307c949489bcc630bdc9559cc5682
Author: Bruce Momjian <bruce@momjian.us>
Date: 2013-07-03T18:19:43Z
Releases: 9.2.5
pg_buffercache: document column meanings
Improve documentation for usagecount and relforknumber.
Backpatch to 9.3.
Suggestion from Satoshi Nagayasu

Files

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doc/src/sgml/pgbuffercache.sgml modified +3 −2