[pgpool-committers: 4187] pgpool: Fix handling of empty queries.

[Tatsuo Ishii]

Fix handling of empty queries.

When empty query (empty string or all comment query) is sent, command
complete message was returned to frontend.  This is not correct. An
empty query response should be returned to frontend.

Per bug328.

Branch
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V3_6_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=55d1ed094dee3ae7a2fbdff8772fee79cded349a

Modified Files
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src/protocol/CommandComplete.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)