a fix for a bug with HAVING sum_func IN (...)

mysql-test/r/group_by.result

@@ -30,6 +30,13 @@ Documentation		0
 Host communication		0
 kkkkkkkkkkk lllllllllll		3
 Test Procedures		0
+value	description	COUNT(bug_id)
+BBBBBBBBBBBBB - conversion		2
+BBBBBBBBBBBBB - eeeeeeeee		0
+BBBBBBBBBBBBB - generic		2
+Documentation		0
+Host communication		0
+Test Procedures		0
 1+1	a	count(*)
 2	a	0
 1+1	a	count(*)

mysql-test/t/group_by.test

@@ -206,6 +206,7 @@ INSERT INTO t2 VALUES ('Web Interface','AAAAAAAA-AAA','id0001','','');
 INSERT INTO t2 VALUES ('Host communication','AAAAA','id0001','','');
 select value,description,bug_id from t2 left join t1 on t2.program=t1.product and t2.value=t1.component where program="AAAAA";
 select value,description,COUNT(bug_id) from t2 left join t1 on t2.program=t1.product and t2.value=t1.component where program="AAAAA" group by value;
+select value,description,COUNT(bug_id) from t2 left join t1 on t2.program=t1.product and t2.value=t1.component where program="AAAAA" group by value having COUNT(bug_id) IN (0,2);
 
 drop table t1,t2;
 

sql/item_cmpfunc.cc

@@ -1029,6 +1029,14 @@ void Item_func_in::update_used_tables()
   used_tables_cache|=item->used_tables();
   const_item_cache&=item->const_item();
 }
+void Item_func_in::split_sum_func(List<Item> &fields)
+{
+  if (item->used_tables() || item->type() == SUM_FUNC_ITEM)
+  {
+    fields.push_front(item);
+    item=new Item_ref((Item**) fields.head_ref(),0,item->name);
+  }  
+}
 
 
 longlong Item_func_bit_or::val_int()

sql/item_cmpfunc.h

@@ -410,6 +410,7 @@ class Item_func_in :public Item_int_func
   longlong val_int();
   bool fix_fields(THD *thd,struct st_table_list *tlist)
   {
+    with_sum_func= with_sum_func || item->with_sum_func;
     return (item->fix_fields(thd,tlist) || Item_func::fix_fields(thd,tlist));
   }
   void fix_length_and_dec();
@@ -421,6 +422,7 @@ class Item_func_in :public Item_int_func
   enum Functype functype() const { return IN_FUNC; }
   const char *func_name() const { return " IN "; }
   void update_used_tables();
+  void split_sum_func(List<Item> &fields);
 };