Fix tsquerysel() to not fail on an empty TSQuery. Per report from
commit3fd8ec1503a6c09499c4b778b65236ab2f60cae5
authortgl <tgl>
Wed, 3 Jun 2009 18:42:13 +0000 (3 18:42 +0000)
committertgl <tgl>
Wed, 3 Jun 2009 18:42:13 +0000 (3 18:42 +0000)
treeda1f98fa773d5af002d07d9c82e8d31bc3a30753
parent0bd606bb2c16df296c94e848b3cc3b96c9886ec8
Fix tsquerysel() to not fail on an empty TSQuery.  Per report from
Tatsuo Ishii.
src/backend/tsearch/ts_selfuncs.c