Commit 7dc2426b authored by unknown's avatar unknown
Browse files

BUG#3987 - if(int, aggregate(int))

parent 256bada7

mysql-test/r/func_if.result

+6 −0
Original line number Diff line number Diff line
@@ -58,3 +58,9 @@ select min(if(y -x > 5,y,NULL)), max(if(y - x > 5,y,NULL)) from t1; 
min(if(y -x > 5,y,NULL))	max(if(y - x > 5,y,NULL))

6	56

drop table t1;

create table t1 (a int);

insert t1 values (1),(2);

select if(1>2,a,avg(a)) from t1;

if(1>2,a,avg(a))

1.5000

drop table t1;

mysql-test/t/func_if.test

+9 −0
Original line number Diff line number Diff line
@@ -38,3 +38,12 @@ create table t1 (x int, y int); 
insert into t1 values (0,6),(10,16),(20,26),(30,10),(40,46),(50,56);

select min(if(y -x > 5,y,NULL)), max(if(y - x > 5,y,NULL)) from t1;

drop table t1;



#

# BUG#3987

#

create table t1 (a int);

insert t1 values (1),(2);

select if(1>2,a,avg(a)) from t1;

drop table t1;

sql/item_cmpfunc.cc

+2 −2
Original line number Diff line number Diff line
@@ -535,8 +535,8 @@ Item_func_if::fix_length_and_dec() 
  decimals=max(args[1]->decimals,args[2]->decimals);

  enum Item_result arg1_type=args[1]->result_type();

  enum Item_result arg2_type=args[2]->result_type();

  bool null1=args[1]->null_value;

  bool null2=args[2]->null_value;

  bool null1=args[1]->const_item() && args[1]->null_value;

  bool null2=args[2]->const_item() && args[2]->null_value;



  if (null1)

  {