Commit 23354862 authored by unknown's avatar unknown
Browse files

Merge mysql.com:/home/hf/work/mrg/mysql-4.1-opt 

into  mysql.com:/home/hf/work/mrg/mysql-5.0-opt


mysql-test/t/type_datetime.test:
  Auto merged
mysql-test/r/type_datetime.result:
  SCCS merged
sql/item_timefunc.h:
  SCCS merged
parents 1fdab610 50b5064c

mysql-test/r/type_datetime.result

+3 −0
Original line number Diff line number Diff line
@@ -168,6 +168,9 @@ dt 
0000-00-00 00:00:00

0000-00-00 00:00:00

drop table t1;

select cast('2006-12-05 22:10:10' as datetime) + 0;

cast('2006-12-05 22:10:10' as datetime) + 0

20061205221010.000000

CREATE TABLE t1(a DATETIME NOT NULL);

INSERT INTO t1 VALUES ('20060606155555');

SELECT a FROM t1 WHERE a=(SELECT MAX(a) FROM t1) AND (a="20060606155555");

mysql-test/t/type_datetime.test

+6 −0
Original line number Diff line number Diff line
@@ -113,6 +113,12 @@ insert into t1 values ("00-00-00"), ("00-00-00 00:00:00"); 
select * from t1;

drop table t1;



#

# Bug #16546 DATETIME+0 not always coerced the same way 

#

select cast('2006-12-05 22:10:10' as datetime) + 0;





# End of 4.1 tests



#

sql/item_timefunc.h

+7 −0
Original line number Diff line number Diff line
@@ -847,12 +847,19 @@ class Item_datetime_typecast :public Item_typecast_maybe_null 
  String *val_str(String *str);

  const char *cast_type() const { return "datetime"; }

  enum_field_types field_type() const { return MYSQL_TYPE_DATETIME; }

  void fix_length_and_dec()

  {

    Item_typecast_maybe_null::fix_length_and_dec();

    decimals= DATETIME_DEC;

  }



  Field *tmp_table_field(TABLE *t_arg)

  {

    return (new Field_datetime(maybe_null, name, t_arg, &my_charset_bin));

  }

  bool result_as_longlong() { return TRUE; }

  longlong val_int();

  double val() { return (double) val_int(); }

  my_decimal *val_decimal(my_decimal *decimal_value)

  {

    DBUG_ASSERT(fixed == 1);