From 4d6e458f9f3956931b7c4c093fb9a0775faa9931 Mon Sep 17 00:00:00 2001 From: Sergei Golubchik Date: Wed, 3 May 2023 15:37:05 +0200 Subject: MDEV-31164 default current_timestamp() not working when used INSERT ON DUPLICATE KEY in some cases 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 --- mysql-test/main/insert_update.result | 41 ++++++++++++++++++++++++++++++++++++ mysql-test/main/insert_update.test | 26 +++++++++++++++++++++++ sql/sql_insert.cc | 1 + 3 files changed, 68 insertions(+) diff --git a/mysql-test/main/insert_update.result b/mysql-test/main/insert_update.result index 68a1003ad85..83344971c59 100644 --- a/mysql-test/main/insert_update.result +++ b/mysql-test/main/insert_update.result @@ -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 +# diff --git a/mysql-test/main/insert_update.test b/mysql-test/main/insert_update.test index 06e16be84d7..25953938ad1 100644 --- a/mysql-test/main/insert_update.test +++ b/mysql-test/main/insert_update.test @@ -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 # diff --git a/sql/sql_insert.cc b/sql/sql_insert.cc index 424296efcf5..0f1b66f7610 100644 --- a/sql/sql_insert.cc +++ b/sql/sql_insert.cc @@ -4028,6 +4028,7 @@ bool select_insert::store_values(List &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); -- cgit v1.2.1