phrase search parser bug

myisam/ft_boolean_search.c

@@ -166,6 +166,7 @@ void _ftb_parse_query(FTB *ftb, byte **start, byte *end,
         if ((ftbe->quot=param.quot)) ftb->with_scan|=2;
         if (param.yesno > 0) up->ythresh++;
         _ftb_parse_query(ftb, start, end, ftbe, depth+1);
+        param.quot=0;
         break;
       case 3: /* right bracket */
         if (up->quot) up->qend=param.quot;

myisam/ft_parser.c

@@ -134,7 +134,7 @@ byte ft_get_word(byte **start, byte *end, FT_WORD *word, FTB_PARAM *param)
     {
       if (true_word_char(*doc)) break;
       if (*doc == FTB_RQUOT && param->quot) {
-        param->quot=doc-1;
+        param->quot=doc;
         *start=doc+1;
         return 3; /* FTB_RBR */
       }

mysql-test/r/fulltext.result

@@ -70,6 +70,16 @@ Full-text search in MySQL	implements vector space model	0
 select * from t1 where MATCH a,b AGAINST ('"Now sUPPort"' IN BOOLEAN MODE);
 a	b
 MySQL has now support	for full-text search
+select * from t1 where MATCH a,b AGAINST ('"text search"  "now support"' IN BOOLEAN MODE);
+a	b
+MySQL has now support	for full-text search
+Full-text search in MySQL	implements vector space model
+select * from t1 where MATCH a,b AGAINST ('"text search" -"now support"' IN BOOLEAN MODE);
+a	b
+Full-text search in MySQL	implements vector space model
+select * from t1 where MATCH a,b AGAINST ('"text search" +"now support"' IN BOOLEAN MODE);
+a	b
+MySQL has now support	for full-text search
 select * from t1 where MATCH a AGAINST ("search" IN BOOLEAN MODE);
 a	b
 Full-text search in MySQL	implements vector space model

mysql-test/t/fulltext.test

@@ -34,6 +34,9 @@ select *, MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE) as x from t1
 select *, MATCH(a,b) AGAINST("collections support" IN BOOLEAN MODE) as x from t1;
 
 select * from t1 where MATCH a,b AGAINST ('"Now sUPPort"' IN BOOLEAN MODE);
+select * from t1 where MATCH a,b AGAINST ('"text search"  "now support"' IN BOOLEAN MODE);
+select * from t1 where MATCH a,b AGAINST ('"text search" -"now support"' IN BOOLEAN MODE);
+select * from t1 where MATCH a,b AGAINST ('"text search" +"now support"' IN BOOLEAN MODE);
 
 # boolean w/o index: