[pgpool-committers: 1967] pgpool: Adopt PostgreSQL 9.4 having to_regclass.

[Tatsuo Ishii]

Adopt PostgreSQL 9.4 having to_regclass.

PostgreSQL 9.4 has built-in function "to_regclass", which has
equivalent functionality of pgpool_regclass. Now pgpool searches
to_regclass first then try pgpool_regclass.

Branch
------
master

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=efa74af06f1c6640a1b5d8c35763965b04e8cf10

Modified Files
--------------
src/include/protocol/protocol_defs.h   |    2 +
src/include/utils/pool_select_walker.h |    1 +
src/main/pgpool_main.c                 |    5 ++
src/protocol/pool_process_query.c      |   16 ++++++-
src/utils/pool_select_walker.c         |   78 ++++++++++++++++++++++++++------
5 files changed, 87 insertions(+), 15 deletions(-)