[pgpool-committers: 9158] pgpool: Doc: enhance show pool_cache manual.

[Tatsuo Ishii]

Doc: enhance show pool_cache manual.

Add a table to explain each items shown by show pool_cache.

Branch
------
V4_4_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=6d39a7eebb0642906f4b30d027882e1e8d9ff7a2

Modified Files
--------------
doc.ja/src/sgml/ref/show_pool_cache.sgml | 78 ++++++++++++++++++++++++++
doc/src/sgml/ref/show_pool_cache.sgml    | 94 ++++++++++++++++++++++++++++++++
2 files changed, 172 insertions(+)