Fix backend crash in parsing incorrect tsquery.

 Per report from Jon Rosebaugh <jon@inklesspen.com>

diff --git a/contrib/tsearch2/query.c b/contrib/tsearch2/query.c
index 28d1b1dc56d126207758962dc756b5065c9a3d27..2e501210274f125023aaefdb244d3a5012678229 100644 (file)
--- a/contrib/tsearch2/query.c
+++ b/contrib/tsearch2/query.c
@@ -142,12 +142,14 @@ gettoken_query(QPRS_STATE * state, int4 *val, int4 *lenval, char **strval, int2
                {
                    (state->buf)++;
                    *val = (int4) '!';
+                   state->state = WAITOPERAND;
                    return OPR;
                }
                else if (*(state->buf) == '(')
                {
                    state->count++;
                    (state->buf)++;
+                   state->state = WAITOPERAND;
                    return OPEN;
                }
                else if (*(state->buf) == ':')