Commit c7a440d1 authored by unknown's avatar unknown
Browse files

Fix for bug#14861 aliased column names are not preserved. 

  Create tmp table filed using original item name when it's necessary


mysql-test/r/view.result:
  Fix for bug#14861 aliased column names are not preserved.
    test case
mysql-test/t/view.test:
  Fix for bug#14861 aliased column names are not preserved.
    test case
parent 479a02fa

mysql-test/r/view.result

+16 −0
Original line number Diff line number Diff line
@@ -2456,3 +2456,19 @@ f1() 
42

drop view v2,v1;

drop function f1;

create table t1 (id numeric, warehouse_id numeric);

create view v1 as select id from t1;

create view v2 as

select t1.warehouse_id, v1.id as receipt_id

from t1, v1 where t1.id = v1.id;

insert into t1 (id, warehouse_id) values(3, 2);

insert into t1 (id, warehouse_id) values(4, 2);

insert into t1 (id, warehouse_id) values(5, 1);

select v2.receipt_id as alias1, v2.receipt_id as alias2 from v2

order by v2.receipt_id;

alias1	alias2

3	3

4	4

5	5

drop view v2, v1;

drop table t1;

mysql-test/t/view.test

+19 −0
Original line number Diff line number Diff line
@@ -2319,3 +2319,22 @@ CREATE VIEW v2 AS SELECT f1(); 
select * from v2;

drop view v2,v1;

drop function f1;



#

# Bug#14861: aliased column names are not preserved.

#

create table t1 (id numeric, warehouse_id numeric);

create view v1 as select id from t1;

create view v2 as

select t1.warehouse_id, v1.id as receipt_id

from t1, v1 where t1.id = v1.id;



insert into t1 (id, warehouse_id) values(3, 2);

insert into t1 (id, warehouse_id) values(4, 2);

insert into t1 (id, warehouse_id) values(5, 1);



select v2.receipt_id as alias1, v2.receipt_id as alias2 from v2

order by v2.receipt_id;



drop view v2, v1;

drop table t1;

sql/sql_select.cc

+7 −5
Original line number Diff line number Diff line
@@ -8189,7 +8189,7 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type, 
                        uint convert_blob_length)

{

  Item::Type orig_type= type;

  Item *orig_item;

  Item *orig_item= 0;



  if (type != Item::FIELD_ITEM &&

      item->real_item()->type() == Item::FIELD_ITEM &&
@@ -8240,7 +8240,9 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type, 
    }

    else

      result= create_tmp_field_from_field(thd, (*from_field= field->field),

                                       item->name, table,

                                          orig_item ? orig_item->name :

                                          item->name,

                                          table,

                                          modify_item ? field :

                                          NULL,

                                          convert_blob_length);