[pgpool-committers: 3886] pgpool: Trying to fix bug271 as of 2017/2/14.

[Tatsuo Ishii]

Trying to fix bug271 as of 2017/2/14.

Rewrite whole STREAM/extended query case by using "pending message"
infrastructure, which is an ordered list of sent messages.

- /work/pgpool-II/current/Bugs/bug271/pgproto.data now passed.
- /work/pgpool-II/current/Bugs/bug271/pgproto2.data does not pass.
- 005.jdbc does not pass.
- query cache regression does not pass.

Branch
------
bug271

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=b253306decf411f4c9f02fbd03f0c62c1efdc7a4

Modified Files
--------------
src/context/pool_query_context.c           |  49 ++++++-
src/context/pool_session_context.c         | 223 ++++++++++++++++++++++++++++-
src/include/context/pool_session_context.h |  21 +++
src/include/pool.h                         |   2 +
src/protocol/pool_process_query.c          | 186 +++++++++++++++++++++++-
src/protocol/pool_proto_modules.c          | 175 +++++++++++++++++++---
6 files changed, 622 insertions(+), 34 deletions(-)