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Generate a warning/error when DATE_SUB/ADD() functions calculate a date

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that is outside the acceptable date range. (Bug #10627)


mysql-test/r/func_date_add.result:
  Add new results
mysql-test/t/func_date_add.test:
  Add new regression test
sql/item_timefunc.cc:
  Add warning for error conditions in Item_date_add_interval::get_date()
sql/share/errmsg.txt:
  Add new error message
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unknown
2005-08-02 15:28:09 -07:00
parent 6eb7a80aff
commit 455ee425d1
4 changed files with 60 additions and 4 deletions
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26
mysql-test/r/func_date_add.result
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@@ -45,3 +45,29 @@ visitor_id mts
465931136 2000-03-18 16:09:53
1092858576 2000-03-19 01:34:45
drop table t1;
set sql_mode='traditional';
create table t1 (d date);
insert into t1 (d) select date_sub('2000-01-01', INTERVAL 2001 YEAR);
ERROR 22008: Datetime function: datetime field overflow
insert into t1 (d) select date_add('2000-01-01',interval 8000 year);
ERROR 22008: Datetime function: datetime field overflow
insert into t1 values (date_add(NULL, INTERVAL 1 DAY));
insert into t1 values (date_add('2000-01-04', INTERVAL NULL DAY));
set sql_mode='';
insert into t1 (d) select date_sub('2000-01-01', INTERVAL 2001 YEAR);
Warnings:
Warning 1437 Datetime function: datetime field overflow
insert into t1 (d) select date_add('2000-01-01',interval 8000 year);
Warnings:
Warning 1437 Datetime function: datetime field overflow
insert into t1 values (date_add(NULL, INTERVAL 1 DAY));
insert into t1 values (date_add('2000-01-04', INTERVAL NULL DAY));
select * from t1;
d
NULL
NULL
NULL
NULL
NULL
NULL
drop table t1;