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#
# BUG#18985760 - "FAST" ALTER TABLE CHANGE ON ENUM COLUMN
# TRIGGERS FULL TABLE REBUILD.
# Test case below ensures that the columns with old temporal
# format are not upgraded on the slave since the global variable
# 'avoid_temporal_upgrade' is enabled on the slave.
include/master-slave.inc
Warnings:
Note #### Sending passwords in plain text without SSL/TLS is extremely insecure.
Note #### Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
[connection master]
# Copy the table containing the old Mysql-5.5 temporal format
# to the master and slave.
# Enable the 'avoid_temporal_column' global variable on slave.
STOP SLAVE;
SET @@global.avoid_temporal_upgrade= ON;
Warnings:
Warning 1287 '@@avoid_temporal_upgrade' is deprecated and will be removed in a future release.
START SLAVE;
# ALTER TABLE on the master.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
10:10:10 2010-10-10 10:10:10 2031-11-21 17:11:01 818A92 0000124821911312 7468F975
00:00:00 2000-01-01 01:01:01 2001-01-21 18:11:01 800000 00001230A2EA8AB5 3A6AFC05
01:01:10 2020-01-01 01:01:01 1980-11-21 18:06:01 80277E 0000125F33D85AB5 147BF1D9
NULL 2000-01-01 01:01:01 2015-11-21 17:11:01 NULL 00001230A2EA8AB5 56507B75
00:00:00 NULL 2011-11-21 17:11:01 800000 NULL 4ECA5BF5
ALTER TABLE t2 ADD COLUMN fld1 INT;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22', 0);
# Since the global variable 'avoid_temporal_upgrade' is disabled on
# the master, the temporal columns of old format are upgraded to the
# new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
10:10:10 2010-10-10 10:10:10 2031-11-21 17:11:01 80A28A 998714A28A 7468F975
00:00:00 2000-01-01 01:01:01 2001-01-21 18:11:01 800000 9964421041 3A6AFC05
01:01:10 2020-01-01 01:01:01 1980-11-21 18:06:01 80104A 99A5421041 147BF1D9
NULL 2000-01-01 01:01:01 2015-11-21 17:11:01 NULL 9964421041 56507B75
00:00:00 NULL 2011-11-21 17:11:01 800000 NULL 4ECA5BF5
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
include/sync_slave_sql_with_master.inc
# Since 'avoid_temporal_upgrade' is enabled on the slave,
# the old temporal will not be upgraded on the slave.
SET @saved_show_old_temporals= @@session.show_old_temporals;
Warnings:
Warning 1287 '@@show_old_temporals' is deprecated and will be removed in a future release.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
10:10:10 2010-10-10 10:10:10 2031-11-21 17:11:01 818A92 0000124821911312 7468F975
00:00:00 2000-01-01 01:01:01 2001-01-21 18:11:01 800000 00001230A2EA8AB5 3A6AFC05
01:01:10 2020-01-01 01:01:01 1980-11-21 18:06:01 80277E 0000125F33D85AB5 147BF1D9
NULL 2000-01-01 01:01:01 2015-11-21 17:11:01 NULL 00001230A2EA8AB5 56507B75
00:00:00 NULL 2011-11-21 17:11:01 800000 NULL 4ECA5BF5
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
SET SESSION show_old_temporals= ON;
Warnings:
Warning 1287 '@@show_old_temporals' is deprecated and will be removed in a future release.
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`f_time` time /* 5.5 binary format */ DEFAULT NULL,
`f_timestamp` timestamp /* 5.5 binary format */ NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`f_datetime` datetime /* 5.5 binary format */ DEFAULT NULL,
`fld1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT COLUMN_TYPE FROM information_schema.columns WHERE table_name='t2';
COLUMN_TYPE
time /* 5.5 binary format */
timestamp /* 5.5 binary format */
datetime /* 5.5 binary format */
int(11)
SET @@session.show_old_temporals= @saved_show_old_temporals;
Warnings:
Warning 1287 '@@show_old_temporals' is deprecated and will be removed in a future release.
#Cleanup
DROP TABLE t2;
include/sync_slave_sql_with_master.inc
# Testcase to ensure that the temporal columns of old format
# are upgraded on the slave since 'avoid_temporal_column'
# global variable is not enabled on the slave.
# Copy the table containing the old Mysql-5.5 temporal format
# to the master and slave.
# Disable the 'avoid_temporal_column' global variable on slave.
STOP SLAVE;
SET @@global.avoid_temporal_upgrade= 0;
Warnings:
Warning 1287 '@@avoid_temporal_upgrade' is deprecated and will be removed in a future release.
START SLAVE;
# ALTER TABLE on the master.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t3;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
10:10:10 2010-10-10 10:10:10 2031-11-21 17:11:01 818A92 0000124821911312 7468F975
00:00:00 2000-01-01 01:01:01 2001-01-21 18:11:01 800000 00001230A2EA8AB5 3A6AFC05
01:01:10 2020-01-01 01:01:01 1980-11-21 18:06:01 80277E 0000125F33D85AB5 147BF1D9
NULL 2000-01-01 01:01:01 2015-11-21 17:11:01 NULL 00001230A2EA8AB5 56507B75
00:00:00 NULL 2011-11-21 17:11:01 800000 NULL 4ECA5BF5
ALTER TABLE t3 ADD COLUMN fld1 INT;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
INSERT INTO t3 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22', 0);
# Since the default value of 'avoid_temporal_upgrade' is FALSE,
# the old temporal will be upgraded on the master.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t3;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
10:10:10 2010-10-10 10:10:10 2031-11-21 17:11:01 80A28A 998714A28A 7468F975
00:00:00 2000-01-01 01:01:01 2001-01-21 18:11:01 800000 9964421041 3A6AFC05
01:01:10 2020-01-01 01:01:01 1980-11-21 18:06:01 80104A 99A5421041 147BF1D9
NULL 2000-01-01 01:01:01 2015-11-21 17:11:01 NULL 9964421041 56507B75
00:00:00 NULL 2011-11-21 17:11:01 800000 NULL 4ECA5BF5
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
SHOW CREATE TABLE t3;
Table Create Table
t3 CREATE TABLE `t3` (
`f_time` time DEFAULT NULL,
`f_timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`f_datetime` datetime DEFAULT NULL,
`fld1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT COLUMN_TYPE FROM information_schema.columns WHERE table_name='t3';
COLUMN_TYPE
time
timestamp
datetime
int(11)
include/sync_slave_sql_with_master.inc
# Since the default value of 'avoid_temporal_upgrade' is FALSE,
# the old temporal will be upgraded on the slave.
SET @saved_show_old_temporals= @@session.show_old_temporals;
Warnings:
Warning 1287 '@@show_old_temporals' is deprecated and will be removed in a future release.
SET SESSION show_old_temporals= ON;
Warnings:
Warning 1287 '@@show_old_temporals' is deprecated and will be removed in a future release.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t3;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
10:10:10 2010-10-10 10:10:10 2031-11-21 17:11:01 80A28A 998714A28A 7468F975
00:00:00 2000-01-01 01:01:01 2001-01-21 18:11:01 800000 9964421041 3A6AFC05
01:01:10 2020-01-01 01:01:01 1980-11-21 18:06:01 80104A 99A5421041 147BF1D9
NULL 2000-01-01 01:01:01 2015-11-21 17:11:01 NULL 9964421041 56507B75
00:00:00 NULL 2011-11-21 17:11:01 800000 NULL 4ECA5BF5
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
SHOW CREATE TABLE t3;
Table Create Table
t3 CREATE TABLE `t3` (
`f_time` time DEFAULT NULL,
`f_timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`f_datetime` datetime DEFAULT NULL,
`fld1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT COLUMN_TYPE FROM information_schema.columns WHERE table_name='t3';
COLUMN_TYPE
time
timestamp
datetime
int(11)
SET @@session.show_old_temporals= @saved_show_old_temporals;
Warnings:
Warning 1287 '@@show_old_temporals' is deprecated and will be removed in a future release.
# cleanup
DROP TABLE t3;
include/sync_slave_sql_with_master.inc
include/rpl_end.inc