Commit cfb4a66a authored by Gleb Shchepa's avatar Gleb Shchepa
Browse files

merge with local tree

parents 0e3bc47f 6f94324f

mysql-test/r/default.result

+15 −0
Original line number Diff line number Diff line
@@ -205,4 +205,19 @@ Warnings: 
Warning	1364	Field 'id' doesn't have a default value

drop view v1;

drop table t1;

create table t1 (a int unique);

create table t2 (b int default 10);

insert into t1 (a) values (1);

insert into t2 (b) values (1);

insert into t1 (a) select b from t2 on duplicate key update a=default;

select * from t1;

a

NULL

insert into t1 (a) values (1);

insert into t1 (a) select b from t2 on duplicate key update a=default(b);

select * from t1;

a

NULL

10

drop table t1, t2;

End of 5.0 tests.

mysql-test/t/default.test

+19 −0
Original line number Diff line number Diff line
@@ -145,5 +145,24 @@ insert into t1 values(default); 
drop view v1;

drop table t1;



#

# Bug #39002: crash with

#             INSERT ... SELECT ... ON DUPLICATE KEY UPDATE col=DEFAULT

#



create table t1 (a int unique);

create table t2 (b int default 10);

insert into t1 (a) values (1);

insert into t2 (b) values (1);



insert into t1 (a) select b from t2 on duplicate key update a=default;

select * from t1;



insert into t1 (a) values (1);

insert into t1 (a) select b from t2 on duplicate key update a=default(b);

select * from t1;



drop table t1, t2;



--echo End of 5.0 tests.

sql/item.cc

+7 −0
Original line number Diff line number Diff line
@@ -6046,6 +6046,13 @@ Item *Item_default_value::transform(Item_transformer transformer, byte *args) 
{

  DBUG_ASSERT(!current_thd->is_stmt_prepare());



  /*

    If the value of arg is NULL, then this object represents a constant,

    so further transformation is unnecessary (and impossible).

  */

  if (!arg)

    return 0;



  Item *new_item= arg->transform(transformer, args);

  if (!new_item)

    return 0;