[Pgpool-committers] pgpool - pgpool-II: Allow to load balance EXPLAIN and EXPLAIN ANALYZE

[User T-ishii]

Log Message:
-----------
Allow to load balance EXPLAIN and EXPLAIN ANALYZE (only if query is
SELECT). This will prevent kind mismatch errors when query plan are
different among servers.

Modified Files:
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    pgpool-II:
        pool_process_query.c (r1.180 -> r1.181)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_process_query.c?r1=1.180&r2=1.181)