[pgpool-committers: 4922] pgpool: Complete detach_false_primary feature.

[Tatsuo Ishii]

Complete detach_false_primary feature.

In addition to the previous commit:

- Add new config variable detach_false_primary
- Allow to run test along with streaming replication delay checking
- English docs added (Japanese docs needed to be added later)
- Regression test (018.detach_primary) is added
- Sample configuration files are added
- Process reporting is added

Branches
--------
SCRAM_AUTH
master
query_cache

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=bbc270fbe1e3571e8255484b2a0fbfee3b98e4ec

Modified Files
--------------
doc/src/sgml/failover.sgml                         |  57 ++++
src/config/pool_config_variables.c                 |  10 +
src/include/pool.h                                 |   1 +
src/include/pool_config.h                          |   4 +-
src/main/pgpool_main.c                             | 315 +++++++++++++++++++--
src/sample/pgpool.conf.sample                      |   6 +
src/sample/pgpool.conf.sample-logical              |   6 +
src/sample/pgpool.conf.sample-master-slave         |   6 +
src/sample/pgpool.conf.sample-replication          |   6 +
src/sample/pgpool.conf.sample-stream               |   6 +
src/streaming_replication/pool_worker_child.c      |  28 +-
.../regression/tests/018.detach_primary/test.sh    |  57 ++++
src/utils/pool_process_reporting.c                 |   7 +-
13 files changed, 483 insertions(+), 26 deletions(-)