[MDEV-24800] sys_vars.timestamp_basic, main.system_time_debug fail if executed in the hour of daylight saving time switch - Jira

Details

Type: Bug
Status: Open (View Workflow)
Priority: Minor
Resolution: Unresolved
Affects Version/s: 10.0(EOL), 10.3(EOL), 10.4(EOL)
Fix Version/s: 10.4(EOL)
Component/s: Tests
Labels:
None

Description

Probably all versions are affected, I've set those where the failure was actually seen in buildbot.

10.3 Nov 1 2020
sys_vars.timestamp_basic w4 [ fail ]
Test ended at 2020-11-01 01:35:04

CURRENT_TEST: sys_vars.timestamp_basic
--- /mnt/buildbot/build/mariadb-10.3.26/mysql-test/suite/sys_vars/r/timestamp_basic.result 2020-10-31 21:03:43.000000000 -0400
+++ /mnt/buildbot/build/mariadb-10.3.26/mysql-test/suite/sys_vars/r/timestamp_basic.reject 2020-11-01 01:35:03.418552741 -0400
@@ -3,7 +3,7 @@
SET @@timestamp = DEFAULT;
SELECT floor(@@timestamp) = UNIX_TIMESTAMP(), @@timestamp = UNIX_TIMESTAMP(NOW(6));
floor(@@timestamp) = UNIX_TIMESTAMP() @@timestamp = UNIX_TIMESTAMP(NOW(6))
-1 1
+1 0
'#---------------------FN_DYNVARS_001_02-------------------------#'
SET @@global.timestamp = "1000";
ERROR HY000: Variable 'timestamp' is a SESSION variable and can't be used with SET GLOBAL
@@ -11,14 +11,14 @@
SET @@timestamp = 0;
SELECT floor(@@timestamp) = UNIX_TIMESTAMP(), @@timestamp = UNIX_TIMESTAMP(NOW(6));
floor(@@timestamp) = UNIX_TIMESTAMP() @@timestamp = UNIX_TIMESTAMP(NOW(6))
-1 1
+1 0
'Setting 0 resets timestamp to session default timestamp'
SET @@timestamp = -1000000000;
Warnings:
Warning 1292 Truncated incorrect timestamp value: '-1000000000'
SELECT floor(@@timestamp) = UNIX_TIMESTAMP(), @@timestamp = UNIX_TIMESTAMP(NOW(6));
floor(@@timestamp) = UNIX_TIMESTAMP() @@timestamp = UNIX_TIMESTAMP(NOW(6))
-1 1
+1 0
SET @temp_ts = @@timestamp - @@timestamp;
SELECT @temp_ts;
@temp_ts

mysqltest: Result content mismatch

10.0 Oct 25 2015
sys_vars.timestamp_basic w1 [ fail ]
Test ended at 2015-10-25 03:28:37

CURRENT_TEST: sys_vars.timestamp_basic
--- /mnt/buildbot/build/mariadb-10.0.22/mysql-test/suite/sys_vars/r/timestamp_basic.result 2015-10-24 19:25:31.000000000 +0300
+++ /mnt/buildbot/build/mariadb-10.0.22/mysql-test/suite/sys_vars/r/timestamp_basic.reject 2015-10-25 03:28:37.000000000 +0300
@@ -3,7 +3,7 @@
SET @@timestamp = DEFAULT;
SELECT floor(@@timestamp) = UNIX_TIMESTAMP(), @@timestamp = UNIX_TIMESTAMP(NOW(6));
floor(@@timestamp) = UNIX_TIMESTAMP() @@timestamp = UNIX_TIMESTAMP(NOW(6))
-1 1
+1 0
'#---------------------FN_DYNVARS_001_02-------------------------#'
SET @@global.timestamp = "1000";
ERROR HY000: Variable 'timestamp' is a SESSION variable and can't be used with SET GLOBAL
@@ -11,14 +11,14 @@
SET @@timestamp = 0;
SELECT floor(@@timestamp) = UNIX_TIMESTAMP(), @@timestamp = UNIX_TIMESTAMP(NOW(6));
floor(@@timestamp) = UNIX_TIMESTAMP() @@timestamp = UNIX_TIMESTAMP(NOW(6))
-1 1
+1 0
'Setting 0 resets timestamp to session default timestamp'
SET @@timestamp = -1000000000;
Warnings:
Warning 1292 Truncated incorrect timestamp value: '-1000000000'
SELECT floor(@@timestamp) = UNIX_TIMESTAMP(), @@timestamp = UNIX_TIMESTAMP(NOW(6));
floor(@@timestamp) = UNIX_TIMESTAMP() @@timestamp = UNIX_TIMESTAMP(NOW(6))
-1 1
+1 0
SET @temp_ts = @@timestamp - @@timestamp;
SELECT @temp_ts;
@temp_ts

mysqltest: Result content mismatch

10.4-based dev branch Nov 4 2018
sys_vars.timestamp_basic w2 [ fail ]
Test ended at 2018-11-04 01:10:52

CURRENT_TEST: sys_vars.timestamp_basic
--- /usr/share/mysql/mysql-test/suite/sys_vars/r/timestamp_basic.result 2018-11-03 23:20:22.000000000 -0400
+++ /dev/shm/var/2/log/timestamp_basic.reject 2018-11-04 01:10:52.797696576 -0400
@@ -3,7 +3,7 @@
SET @@timestamp = DEFAULT;
SELECT floor(@@timestamp) = UNIX_TIMESTAMP(), @@timestamp = UNIX_TIMESTAMP(NOW(6));
floor(@@timestamp) = UNIX_TIMESTAMP() @@timestamp = UNIX_TIMESTAMP(NOW(6))
-1 1
+1 0
'#---------------------FN_DYNVARS_001_02-------------------------#'
SET @@global.timestamp = "1000";
ERROR HY000: Variable 'timestamp' is a SESSION variable and can't be used with SET GLOBAL
@@ -11,14 +11,14 @@
SET @@timestamp = 0;
SELECT floor(@@timestamp) = UNIX_TIMESTAMP(), @@timestamp = UNIX_TIMESTAMP(NOW(6));
floor(@@timestamp) = UNIX_TIMESTAMP() @@timestamp = UNIX_TIMESTAMP(NOW(6))
-1 1
+1 0
'Setting 0 resets timestamp to session default timestamp'
SET @@timestamp = -1000000000;
Warnings:
Warning 1292 Truncated incorrect timestamp value: '-1000000000'
SELECT floor(@@timestamp) = UNIX_TIMESTAMP(), @@timestamp = UNIX_TIMESTAMP(NOW(6));
floor(@@timestamp) = UNIX_TIMESTAMP() @@timestamp = UNIX_TIMESTAMP(NOW(6))
-1 1
+1 0
SET @temp_ts = @@timestamp - @@timestamp;
SELECT @temp_ts;
@temp_ts

mysqltest: Result content mismatch

10.3
main.system_time_debug w1 [ fail ]
Test ended at 2020-11-01 01:29:48

CURRENT_TEST: main.system_time_debug
Warning: /mnt/buildbot/build/mariadb-10.3.26/libmysqld/examples/mysqltest_embedded: unknown variable 'loose-ssl-ca=/mnt/buildbot/build/mariadb-10.3.26/mysql-test/std_data/cacert.pem'
Warning: /mnt/buildbot/build/mariadb-10.3.26/libmysqld/examples/mysqltest_embedded: unknown variable 'loose-ssl-cert=/mnt/buildbot/build/mariadb-10.3.26/mysql-test/std_data/client-cert.pem'
Warning: /mnt/buildbot/build/mariadb-10.3.26/libmysqld/examples/mysqltest_embedded: unknown variable 'loose-ssl-key=/mnt/buildbot/build/mariadb-10.3.26/mysql-test/std_data/client-key.pem'
Warning: /mnt/buildbot/build/mariadb-10.3.26/libmysqld/examples/mysqltest_embedded: unknown option '--loose-skip-ssl'
--- /mnt/buildbot/build/mariadb-10.3.26/mysql-test/main/system_time_debug.result 2020-10-31 21:03:38.000000000 -0400
+++ /mnt/buildbot/build/mariadb-10.3.26/mysql-test/main/system_time_debug.reject 2020-11-01 01:29:48.086051789 -0400
@@ -1,7 +1,7 @@
set @old_dbug=@@debug_dbug;
select timestampdiff(minute,now(),sysdate()) as 'must be 0', (unix_timestamp(sysdate()) - unix_timestamp()) div 60 as 'must be 0';
must be 0 must be 0
-0 0
+0 60
set @@debug_dbug='+d,system_time_plus_one_hour';
select timestampdiff(minute,now(),sysdate()) as 'must be 0', (unix_timestamp(sysdate()) - unix_timestamp()) div 60 as 'must be 0';
must be 0 must be 0
@@ -13,4 +13,4 @@
set @@debug_dbug=@old_dbug;
select timestampdiff(minute,now(),sysdate()) as 'must be 0', (unix_timestamp(sysdate()) - unix_timestamp()) div 60 as 'must be 0';
must be 0 must be 0
-0 0
+0 60

mysqltest: Result length mismatch

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sys_vars.timestamp_basic, main.system_time_debug fail if executed in the hour of daylight saving time switch

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