bugfix: HAVING MATCH

mysql-test/r/fulltext.result

@@ -21,3 +21,7 @@ t2	CREATE TABLE `t2` (
   FULLTEXT KEY `tix` (`inhalt`)
 ) TYPE=MyISAM
 ticket	inhalt
+ticket	inhalt
+3	foobar
+ticket	inhalt
+3	foobar

mysql-test/t/fulltext.test

@@ -42,7 +42,10 @@ ticket2.id = ttxt.ticket
 WHERE t1.id = ticket2.ticket and match(ttxt.inhalt) against ('foobar');
 
 INSERT INTO t1 VALUES (3,3);
-select t1.id FROM t2 as ttxt,t1 INNER JOIN t1 as ticket2 ON ticket2.id = ttxt.ticket WHERE t1.id = ticket2.ticket and match(ttxt.inhalt) against ('foobar');
+select t1.id FROM t2 as ttxt,t1
+INNER JOIN t1 as ticket2 ON ticket2.id = ttxt.ticket
+WHERE t1.id = ticket2.ticket and
+      match(ttxt.inhalt) against ('foobar');
 
 # Check that we get 'fulltext' index in SHOW CREATE
 
@@ -53,4 +56,9 @@ show create table t2;
 
 select * from t2 where MATCH inhalt AGAINST (NULL);
 
+# MATCH in HAVING (pretty useless, but still it should work)
+
+select * from t2 where  MATCH inhalt AGAINST ('foobar');
+select * from t2 having MATCH inhalt AGAINST ('foobar');
+
 drop table t1,t2;

sql/item.h

@@ -298,8 +298,8 @@ class Item_result_field :public Item	/* Item with result field */
 
 class Item_ref :public Item_ident
 {
-  Item **ref;
 public:
+  Item **ref;
   Item_ref(char *db_par,char *table_name_par,char *field_name_par)
     :Item_ident(db_par,table_name_par,field_name_par),ref(0) {}
   Item_ref(Item **item, char *table_name_par,char *field_name_par)

sql/item_func.cc

@@ -1961,12 +1961,15 @@ bool Item_func_match::fix_fields(THD *thd,struct st_table_list *tlist)
 
   while ((item=li++))
   {
-    if (item->type() != Item::FIELD_ITEM || item->fix_fields(thd,tlist) ||
-	!item->used_tables())
+    if (item->fix_fields(thd,tlist))
+      return 1;
+    if (item->type() == Item::REF_ITEM)
+      li.replace(item= *((Item_ref *)item)->ref);
+    if (item->type() != Item::FIELD_ITEM || !item->used_tables())
       return 1;
     used_tables_cache|=item->used_tables();
   }
-  /* check that all columns comes from the same table */
+  /* check that all columns come from the same table */
   if (count_bits(used_tables_cache) != 1)
     return 1;
   const_item_cache=0;

sql/sql_select.cc

@@ -178,8 +178,7 @@ mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &fields,COND *conds,
       setup_fields(thd,tables,fields,1,&all_fields) ||
       setup_conds(thd,tables,&conds) ||
       setup_order(thd,tables,fields,all_fields,order) ||
-      setup_group(thd,tables,fields,all_fields,group,&hidden_group_fields) ||
-      setup_ftfuncs(thd,tables,ftfuncs))
+      setup_group(thd,tables,fields,all_fields,group,&hidden_group_fields))
     DBUG_RETURN(-1);				/* purecov: inspected */
 
   if (having)
@@ -191,6 +190,8 @@ mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &fields,COND *conds,
     if (having->with_sum_func)
       having->split_sum_func(all_fields);
   }
+  if (setup_ftfuncs(thd,tables,ftfuncs)) /* should be after having->fix_fields */
+    DBUG_RETURN(-1);
   /*
     Check if one one uses a not constant column with group functions
     and no GROUP BY.