mariadb/mysql-test/r/cache_temporal_4265.result
Sergei Golubchik 95fe71afa6 MDEV-9707 MAX(timestamp(6) column) in correlated sub-query returns non-existent row data in original table
special treatment for  temporal values in
create_tmp_field_from_item().

old code only did it when result_type() was STRING_RESULT,
but Item_cache_temporal::result_type() is INT_RESULT
2016-04-19 11:27:00 +02:00

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Text

create table t1 (a date);
insert t1 values ('2000-01-02'), ('2001-02-03'), ('2002-03-04');
set debug_dbug='d,str_to_datetime_warn';
select * from t1 where a > date_add('2000-01-01', interval 5 day);
a
2001-02-03
2002-03-04
Warnings:
Note 1003 2000-01-01
set debug_dbug='';
drop table t1;
create table t1 (id int not null, ut timestamp(6) not null);
insert into t1 values(1, '2001-01-01 00:00:00.2');
insert into t1 values(1, '2001-01-01 00:00:00.1');
select * from t1;
id ut
1 2001-01-01 00:00:00.200000
1 2001-01-01 00:00:00.100000
select (select max(m2.ut) from t1 m2 where m1.id <> 0) from t1 m1;
(select max(m2.ut) from t1 m2 where m1.id <> 0)
2001-01-01 00:00:00.200000
2001-01-01 00:00:00.200000
drop table t1;