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Merge gkodinov@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

Browse source 
into  magare.gmz:/home/kgeorge/mysql/autopush/B28605-5.0-opt
This commit is contained in:
unknown 2007-05-30 10:02:22 +03:00
commit 5462e46bf5
4 changed files with 27 additions and 22 deletions
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11
mysql-test/r/func_date_add.result
View file

@ -84,4 +84,15 @@ CAST('2006-09-26' AS DATE) + INTERVAL 1 YEAR
SELECT CAST('2006-09-26' AS DATE) + INTERVAL 1 WEEK;
CAST('2006-09-26' AS DATE) + INTERVAL 1 WEEK
2006-10-03
create table t1 (a int, b varchar(10));
insert into t1 values (1, '2001-01-01'),(2, '2002-02-02');
select '2007-01-01' + interval a day from t1;
'2007-01-01' + interval a day
2007-01-02
2007-01-03
select b + interval a day from t1;
b + interval a day
2001-01-02
2002-02-04
drop table t1;
End of 5.0 tests

10
mysql-test/t/func_date_add.test
View file

@ -77,4 +77,14 @@ SELECT CAST('2006-09-26' AS DATE) + INTERVAL 1 MONTH;
SELECT CAST('2006-09-26' AS DATE) + INTERVAL 1 YEAR;
SELECT CAST('2006-09-26' AS DATE) + INTERVAL 1 WEEK;
#
# Bug#28450: The Item_date_add_interval in select list may fail the field
# type assertion.
#
create table t1 (a int, b varchar(10));
insert into t1 values (1, '2001-01-01'),(2, '2002-02-02');
select '2007-01-01' + interval a day from t1;
select b + interval a day from t1;
drop table t1;
--echo End of 5.0 tests

7
sql/item_cmpfunc.cc
View file

@ -766,7 +766,12 @@ get_datetime_value(THD *thd, Item ***item_arg, Item **cache_arg,
{
value= item->val_int();
*is_null= item->null_value;
if (item->field_type() == MYSQL_TYPE_DATE)
/*
Item_date_add_interval may return MYSQL_TYPE_STRING as the result
field type. To detect that the DATE value has been returned we
compare it with 1000000L - any DATE value should be less than it.
*/
if (item->field_type() == MYSQL_TYPE_DATE || value < 100000000L)
value*= 1000000L;
}
else

21
sql/item_timefunc.cc
View file

@ -2180,27 +2180,6 @@ bool Item_date_add_interval::get_date(MYSQL_TIME *ltime, uint fuzzy_date)
default:
goto null_date;
}
/* Adjust cached_field_type according to the detected type. */
if (cached_field_type == MYSQL_TYPE_STRING)
{
switch (ltime->time_type)
{
case MYSQL_TIMESTAMP_DATE:
cached_field_type= MYSQL_TYPE_DATE;
break;
case MYSQL_TIMESTAMP_DATETIME:
cached_field_type= MYSQL_TYPE_DATETIME;
break;
case MYSQL_TIMESTAMP_TIME:
cached_field_type= MYSQL_TYPE_TIME;
break;
default:
/* Shouldn't get here. */
DBUG_ASSERT(0);
break;
}
}
return 0; // Ok
invalid_date: