[pgpool-committers: 164] pgpool: Fix memqcache to recognize extended query.

[Nozomi Anzai]

Fix memqcache to recognize extended query.
- In Parse() set flag that the extended query is cache safe or not.
- In Bind() save the offset of a bind message contents in which are
  portal name, prepared statement's name, params count, etc.
- In Execute() try to fetch its result from caches.
- In ReadyForQuery() save its result into cache.

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=9910020dda1ccfa7b6e96893b0b008b13296fd41

Modified Files
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pool_memqcache.c     |   28 ++++++++---
pool_proto_modules.c |  130 +++++++++++++++++++++++++++++++++++++++++++++-----
pool_query_context.h |    1 +
3 files changed, 138 insertions(+), 21 deletions(-)