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_NEW_ IN/ALL/ANY/SOME behaviour with NULL (SCRUM related)

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optimization of left expression evaluation
more descriptive method name


mysql-test/r/func_in.result:
  test of _NEW_ IN behaviour with NULL
mysql-test/r/subselect.result:
  test of _NEW_ IN/ALL/ANY/SOME behaviour with NULL
mysql-test/t/func_in.test:
  test of _NEW_ IN behaviour with NULL
mysql-test/t/subselect.test:
  test of _NEW_ IN/ALL/ANY/SOME behaviour with NULL
sql/item.cc:
  _NEW_ IN/ALL/ANY/SOME behaviour with NULL
  optimization of left expression evaluation
sql/item.h:
  _NEW_ IN/ALL/ANY/SOME behaviour with NULL
  optimization of left expression evaluation
sql/item_cmpfunc.cc:
  _NEW_ IN/ALL/ANY/SOME behaviour with NULL
  optimization of left expression evaluation
sql/item_cmpfunc.h:
  _NEW_ IN/ALL/ANY/SOME behaviour with NULL
  optimization of left expression evaluation
sql/item_subselect.cc:
  _NEW_ IN/ALL/ANY/SOME behaviour with NULL
  optimization of left expression evaluation
sql/item_subselect.h:
  _NEW_ IN/ALL/ANY/SOME behaviour with NULL
  optimization of left expression evaluation
sql/sql_class.cc:
  more descriptive method name
sql/sql_union.cc:
  more descriptive method name
This commit is contained in:
unknown
2002-12-06 21:55:53 +02:00
parent f67abe26fb
commit 59b3711986
12 changed files with 572 additions and 51 deletions
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2
sql/sql_class.cc
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@@ -937,7 +937,7 @@ bool select_singleval_subselect::send_data(List<Item> &items)
it->real_value= val_item->val_result();
if ((it->null_value= val_item->is_null_result()))
{
it->assign_null();
it->reset();
}
else
{