Commit 1c234737 authored by unknown's avatar unknown
Browse files

anotehr fix for Item_func_isnotnull::not_null_tables() 


mysql-test/r/join_outer.result:
  anotehr test for Item_func_isnotnull::not_null_tables()
mysql-test/t/join_outer.test:
  anotehr test for Item_func_isnotnull::not_null_tables()
parent 174a177c

mysql-test/r/join_outer.result

+4 −0
Original line number Diff line number Diff line
@@ -653,6 +653,10 @@ i i i 
select * from t1 natural left join t2 where (t2.i is not null)=0;

i	i

1	NULL

select * from t1 natural left join t2 where (t2.i is not null) is not null;

i	i

1	NULL

2	2

drop table t1,t2,t3;

create table t1 (f1 integer,f2 integer,f3 integer);

create table t2 (f2 integer,f4 integer);

mysql-test/t/join_outer.test

+1 −0
Original line number Diff line number Diff line
@@ -431,6 +431,7 @@ insert into t2 values(2),(3); 
insert into t3 values(2),(4);

select * from t1 natural left join t2 natural left join t3;

select * from t1 natural left join t2 where (t2.i is not null)=0;

select * from t1 natural left join t2 where (t2.i is not null) is not null;

drop table t1,t2,t3;



#

sql/item_cmpfunc.h

+2 −1
Original line number Diff line number Diff line
@@ -916,7 +916,8 @@ class Item_func_isnotnull :public Item_bool_func 
  }

  const char *func_name() const { return "isnotnull"; }

  optimize_type select_optimize() const { return OPTIMIZE_NULL; }

  table_map not_null_tables() const { return abort_on_null ? used_tables() : 0; }

  table_map not_null_tables() const

  { return abort_on_null ? not_null_tables_cache : 0; }

  Item *neg_transformer(THD *thd);

  void print(String *str);

  CHARSET_INFO *compare_collation() { return args[0]->collation.collation; }