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MDEV-29924 Assertion `(((nr) % (1LL << 24)) % (int) log_10_int[6 - dec]) == 0' failed in my_time_packed_to_binary on SELECT when using TIME field

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when assigning the cached item to the Item_cache for the first time
make sure to use Item_cache::setup(), not Item_cache::store().
Because the former copies the metadata (and allocates memory, in case
of Item_cache_row), and Item_cache::decimal must be set for
comparisons to work correctly.
This commit is contained in:
Sergei Golubchik
2022-11-01 13:22:34 +01:00
parent 29633dc0c0
commit 1a3859fff0
3 changed files with 28 additions and 4 deletions
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13
mysql-test/main/type_time_hires.result
View File

@ -360,7 +360,7 @@ select cast(1e-6 as time(6));
cast(1e-6 as time(6))
00:00:00.000001
#
# Start of 10.4 tests
# End of 5.5 tests
#
#
# MDEV-20397 Support TIMESTAMP, DATETIME, TIME in ROUND() and TRUNCATE()
@ -907,3 +907,14 @@ a CEILING(a) CEILING_SP(a) CEILING(a)=CEILING_SP(a)
DROP FUNCTION FLOOR_SP;
DROP FUNCTION CEILING_SP;
DROP TABLE t1;
#
# MDEV-29924 Assertion `(((nr) % (1LL << 24)) % (int) log_10_int[6 - dec]) == 0' failed in my_time_packed_to_binary on SELECT when using TIME field
#
create table t1 (c decimal(3,1),d time(6));
insert into t1 values (null,0.1),(null,0.1), (0.1,0.2);
select c from t1 where c<all (select d from t1);
c
drop table t1;
#
# End of 10.4 tests
#

15
mysql-test/main/type_time_hires.test
View File

@ -11,9 +11,8 @@ drop table t1;
select cast(1e-6 as time(6));
--echo #
--echo # Start of 10.4 tests
--echo # End of 5.5 tests
--echo #
--echo #
@ -196,3 +195,15 @@ DROP FUNCTION FLOOR_SP;
DROP FUNCTION CEILING_SP;
DROP TABLE t1;
--echo #
--echo # MDEV-29924 Assertion `(((nr) % (1LL << 24)) % (int) log_10_int[6 - dec]) == 0' failed in my_time_packed_to_binary on SELECT when using TIME field
--echo #
create table t1 (c decimal(3,1),d time(6));
insert into t1 values (null,0.1),(null,0.1), (0.1,0.2);
select c from t1 where c<all (select d from t1);
drop table t1;
--echo #
--echo # End of 10.4 tests
--echo #

2
sql/sql_class.cc
View File

@ -3753,7 +3753,9 @@ int select_max_min_finder_subselect::send_data(List<Item> &items)
{
cache= val_item->get_cache(thd);
set_op(val_item->type_handler());
cache->setup(thd, val_item);
}
else
cache->store(val_item);
it->store(0, cache);
}