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Fix bug #11335 View redefines TinyInt(1) column definition

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Item_type_holder doesn't store information about length and exact type of
original item which results in redefining length to max_length and geometry 
type to longtext.

Changed the way derived tables except unions are built. Now they are created
from original field list instead of list of Item_type_holder.


mysql-test/r/subselect.result:
  Fixed wrong test case result. bug#11335
mysql-test/r/view_grant.result:
   Fixed wrong test case result. bug#11335
mysql-test/r/view.result:
  Added test case for bug #11335. Fixed wrong test case result.
mysql-test/t/view.test:
  Test case for bug #11335 View  redefines TinyInt(1) column definition.
sql/sql_union.cc:
  Fix bug #11335 View redefines TinyInt(1) column definition.
  Changed the way derived tables except unions are built. Now they are created from original field list instead of list of Item_type_holders.
sql/sql_select.cc:
  Fix bug #11335 View redefines TinyInt(1) column definition.
  Added special handling of DATE/TIME fields to preserve field's type in tmp field creation.
  In create_tmp_field() for Item_field added special handling of case when item have to be able to store NULLs but underlaid field is NOT NULL.
sql/item_sum.cc:
  Fix bug #11335 View redefines TinyInt(1) column definition.
  Added special handling of DATE/TIME fields to preserve field's type while tmp
  field created in Item_sum_hybrid::create_tmp_field().
This commit is contained in:
unknown 2005-07-30 05:53:35 +04:00
commit a292b42436
7 changed files with 77 additions and 13 deletions
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8
mysql-test/r/view_grant.result
View file

@ -72,12 +72,12 @@ select c from mysqltest.v4;
c
show columns from mysqltest.v1;
Field Type Null Key Default Extra
c bigint(20) YES NULL
d bigint(20) YES NULL
c bigint(12) YES NULL
d bigint(12) YES NULL
show columns from mysqltest.v2;
Field Type Null Key Default Extra
c bigint(20) YES NULL
d bigint(20) YES NULL
c bigint(12) YES NULL
d bigint(12) YES NULL
explain select c from mysqltest.v1;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v1;