Commit 500d6b85 authored by unknown's avatar unknown
Browse files

Fix for bug#17826 'type_decimal' fails with ps-protocol 

 removed unnecessary calculation of cache value 
 otherwise Join::preapre tries to calculate 
 undefined values(filed values)


mysql-test/r/type_decimal.result:
  Fix for bug#17826 'type_decimal' fails with ps-protocol
   test case, this test case reproduce the same bug but without PS protocol
mysql-test/t/type_decimal.test:
  Fix for bug#17826 'type_decimal' fails with ps-protocol
   test case, this test case reproduce the same bug but without PS protocol
parent a91d0afd

mysql-test/r/type_decimal.result

+7 −0
Original line number Diff line number Diff line
@@ -772,3 +772,10 @@ productid zlevelprice 
003trans	39.98

004trans	31.18

drop table t1, t2;

create table t1 (f1 decimal(5));

insert into t1 values (40);

flush tables;

select f1 from t1 where f1 in (select f1 from t1);

f1

40

drop table t1;

mysql-test/t/type_decimal.test

+8 −0
Original line number Diff line number Diff line
@@ -377,3 +377,11 @@ insert INTO t2 SELECT * FROM t1; 
select * from t2; 

drop table t1, t2;



#

# Bug #17826 'type_decimal' fails with ps-protocol

#

create table t1 (f1 decimal(5));

insert into t1 values (40);

flush tables;

select f1 from t1 where f1 in (select f1 from t1);

drop table t1;

sql/item_cmpfunc.cc

+0 −6
Original line number Diff line number Diff line
@@ -698,12 +698,6 @@ bool Item_in_optimizer::fix_left(THD *thd, Item **ref) 
    return 1;



  cache->setup(args[0]);

  /*

    If it is preparation PS only then we do not know values of parameters =>

    cant't get there values and do not need that values.

  */

  if (!thd->stmt_arena->is_stmt_prepare())

    cache->store(args[0]);

  if (cache->cols() == 1)

  {

    if ((used_tables_cache= args[0]->used_tables()))