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 458c55de2798b4a6e7f767a08dc14f4aa9769d9b..9c4ed370a6bff3f17cdb1cfeaace619737b5e3f6 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) == ':')