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MDEV-31164 default current_timestamp() not working when used INSERT ON DUPLICATE KEY in some cases

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select_insert::store_values() must reset
has_value_set bitmap before every row, just like mysql_insert() does.
because ON DUPLICATE KEY UPDATE and triggers modify it
This commit is contained in:
Sergei Golubchik 2023-05-03 15:37:05 +02:00
parent f5e7c56e32
commit 4d6e458f9f
3 changed files with 68 additions and 0 deletions
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41
mysql-test/main/insert_update.result
View file

@ -412,3 +412,44 @@ select if( @stamp1 = @stamp2, "correct", "wrong");
if( @stamp1 = @stamp2, "correct", "wrong")
correct
drop table t1;
#
# MDEV-31164 default current_timestamp() not working when used INSERT ON DUPLICATE KEY in some cases
#
set timestamp=unix_timestamp('2000-10-20 0:0:0');
create table t1 (pk integer primary key, val varchar(20) not null, ts timestamp);
insert t1 (pk, val) values(1, 'val1');
select * from t1;
pk val ts
1 val1 2000-10-20 00:00:00
set timestamp=unix_timestamp('2000-10-20 1:0:0');
insert t1 (pk, val) select 2, 'val3' union select 3, 'val4'
on duplicate key update ts=now();
select * from t1;
pk val ts
1 val1 2000-10-20 00:00:00
2 val3 2000-10-20 01:00:00
3 val4 2000-10-20 01:00:00
set timestamp=unix_timestamp('2000-10-20 2:0:0');
insert t1 (pk, val) select 1, 'val1' union select 4, 'val2'
on duplicate key update ts=now();
select * from t1;
pk val ts
1 val1 2000-10-20 02:00:00
2 val3 2000-10-20 01:00:00
3 val4 2000-10-20 01:00:00
4 val2 2000-10-20 02:00:00
set timestamp=unix_timestamp('2000-10-20 3:0:0');
insert t1 (pk, val) select 5, 'val1' union select 1, 'val2'
on duplicate key update ts=now();
select * from t1;
pk val ts
1 val1 2000-10-20 03:00:00
2 val3 2000-10-20 01:00:00
3 val4 2000-10-20 01:00:00
4 val2 2000-10-20 02:00:00
5 val1 2000-10-20 03:00:00
drop table t1;
set timestamp=default;
#
# End of 10.4 tests
#

26
mysql-test/main/insert_update.test
View file

@ -311,3 +311,29 @@ insert into t1(f1) values(1) on duplicate key update f1=1;
select @stamp2:=f2 from t1;
select if( @stamp1 = @stamp2, "correct", "wrong");
drop table t1;
--echo #
--echo # MDEV-31164 default current_timestamp() not working when used INSERT ON DUPLICATE KEY in some cases
--echo #
set timestamp=unix_timestamp('2000-10-20 0:0:0');
create table t1 (pk integer primary key, val varchar(20) not null, ts timestamp);
insert t1 (pk, val) values(1, 'val1');
select * from t1;
set timestamp=unix_timestamp('2000-10-20 1:0:0');
insert t1 (pk, val) select 2, 'val3' union select 3, 'val4'
on duplicate key update ts=now();
select * from t1;
set timestamp=unix_timestamp('2000-10-20 2:0:0');
insert t1 (pk, val) select 1, 'val1' union select 4, 'val2'
on duplicate key update ts=now();
select * from t1;
set timestamp=unix_timestamp('2000-10-20 3:0:0');
insert t1 (pk, val) select 5, 'val1' union select 1, 'val2'
on duplicate key update ts=now();
select * from t1;
drop table t1;
set timestamp=default;
--echo #
--echo # End of 10.4 tests
--echo #

1
sql/sql_insert.cc
View file

@ -4028,6 +4028,7 @@ bool select_insert::store_values(List<Item> &values)
DBUG_ENTER("select_insert::store_values");
bool error;
table->reset_default_fields();
if (fields->elements)
error= fill_record_n_invoke_before_triggers(thd, table, *fields, values,
true, TRG_EVENT_INSERT);