MATCH(a,b) AGAINST (... IN NATURAL LANGUAGE MODE)

remove explicit $<ulong_num>$ from sql_yacc.yy


mysql-test/r/fulltext.result:
  MATCH(a,b) AGAINST (... IN NATURAL LANGUAGE MODE)
mysql-test/t/fulltext.test:
  MATCH(a,b) AGAINST (... IN NATURAL LANGUAGE MODE)

mysql-test/r/fulltext.result

@@ -41,6 +41,15 @@ a	b
 Full-text indexes	are called collections
 Only MyISAM tables	support collections
 MySQL has now support	for full-text search
+select * from t1 where MATCH(a,b) AGAINST ("indexes" IN NATURAL LANGUAGE MODE);
+a	b
+Full-text indexes	are called collections
+select * from t1 where MATCH(a,b) AGAINST ("indexes" IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION);
+a	b
+Full-text indexes	are called collections
+Only MyISAM tables	support collections
+select * from t1 where MATCH(a,b) AGAINST ("indexes" IN BOOLEAN MODE WITH QUERY EXPANSION);
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WITH QUERY EXPANSION)' at line 1
 explain select * from t1 where MATCH(a,b) AGAINST ("collections");
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	fulltext	a	a	0		1	Using where

mysql-test/t/fulltext.test

@@ -28,6 +28,12 @@ select * from t1 where MATCH(a,b) AGAINST ("collections" WITH QUERY EXPANSION);
 select * from t1 where MATCH(a,b) AGAINST ("indexes" WITH QUERY EXPANSION);
 select * from t1 where MATCH(a,b) AGAINST ("indexes collections" WITH QUERY EXPANSION);
 
+# IN NATURAL LANGUAGE MODE
+select * from t1 where MATCH(a,b) AGAINST ("indexes" IN NATURAL LANGUAGE MODE);
+select * from t1 where MATCH(a,b) AGAINST ("indexes" IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION);
+--error 1064
+select * from t1 where MATCH(a,b) AGAINST ("indexes" IN BOOLEAN MODE WITH QUERY EXPANSION);
+
 # add_ft_keys() tests
 
 explain select * from t1 where MATCH(a,b) AGAINST ("collections");