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|
for master_1
for child2
child2_1
child2_2
child2_3
for child3
child3_1
child3_2
child3_3
Initialize Time Zone
connection master_1;
SET GLOBAL time_zone='MET';
SET time_zone='MET';
connection child2_1;
SET GLOBAL time_zone='MET';
SET time_zone='MET';
drop and create databases
connection master_1;
DROP DATABASE IF EXISTS ts_test_local;
CREATE DATABASE ts_test_local;
USE ts_test_local;
connection child2_1;
SET @old_log_output = @@global.log_output;
SET GLOBAL log_output = 'TABLE,FILE';
DROP DATABASE IF EXISTS ts_test_remote;
CREATE DATABASE ts_test_remote;
USE ts_test_remote;
test select 1
connection master_1;
SELECT 1;
1
1
connection child2_1;
SELECT 1;
1
1
create table
connection child2_1;
CHILD2_1_DROP_TABLE
CHILD2_1_DROP_TABLE_F
CHILD2_1_CREATE_TABLE
CHILD2_1_CREATE_TABLE_F
TRUNCATE TABLE mysql.general_log;
connection master_1;
DROP TABLE IF EXISTS tbl_a;
CREATE TABLE tbl_a (
col_a INT UNSIGNED NOT NULL AUTO_INCREMENT,
col_dt DATETIME,
col_ts TIMESTAMP NOT NULL
DEFAULT current_timestamp() ON UPDATE current_timestamp(),
PRIMARY KEY(col_a),
UNIQUE INDEX i_ts (col_ts)
) MASTER_1_ENGINE MASTER_1_AUTO_INCREMENT_2_1 MASTER_1_COMMENT_2_1
CREATE TABLE tbl_f (
col_d DATE,
col_t TIME
) ENGINE=Spider COMMENT='database "ts_test_remote", table "tbl_f", srv "s_2_1"'
SHOW CREATE TABLE tbl_a;
Table Create Table
tbl_a CREATE TABLE `tbl_a` (
`col_a` int(10) unsigned NOT NULL AUTO_INCREMENT,
`col_dt` datetime DEFAULT NULL,
`col_ts` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
PRIMARY KEY (`col_a`),
UNIQUE KEY `i_ts` (`col_ts`)
) ENGINE=SPIDER AUTO_INCREMENT=17 DEFAULT CHARSET=utf8mb4 COMMENT='database "ts_test_remote", table "tbl_a", srv "s_2_1"'
SHOW CREATE TABLE tbl_f;
Table Create Table
tbl_f CREATE TABLE `tbl_f` (
`col_d` date DEFAULT NULL,
`col_t` time DEFAULT NULL
) ENGINE=SPIDER DEFAULT CHARSET=latin1 COMMENT='database "ts_test_remote", table "tbl_f", srv "s_2_1"'
Set a different time zone that has DST
SET time_zone='+01:00';
Insert Rows
connection master_1;
Min value
SET @@timestamp=1;
INSERT INTO tbl_a VALUES (1, now(), now());
SET @@timestamp=0;
Ambiguous DST values for MET time zone that result in the
same UTC timestamp
INSERT INTO tbl_a VALUES (2, '2018-03-25 02:00:00', '2018-03-25 02:00:00');
INSERT INTO tbl_a VALUES (3, '2018-03-25 02:30:00', '2018-03-25 02:30:00');
Ambiguous DST values for MET time zone in the 2:00 am to 3:00 am hour
that occur twice when transitioning from DST to standard time
SET @@timestamp=1540686600;
INSERT INTO tbl_a VALUES (4, now(), now());
SET @@timestamp=1540690200;
INSERT INTO tbl_a VALUES (5, now(), now());
Max value
SET @@timestamp=2147483647;
INSERT INTO tbl_a VALUES (6, now(), now());
SET @@timestamp=0;
SELECTs
connection child2_1;
TRUNCATE TABLE mysql.general_log;
connection master_1;
SELECT *, unix_timestamp(col_ts) FROM tbl_a;
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
connection child2_1;
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';
argument
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %'
SELECT col_a, col_dt, col_ts, unix_timestamp(col_ts) FROM tbl_a ORDER BY col_a;
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 03:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 03:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 02:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
DELETEs
connection child2_1;
TRUNCATE TABLE mysql.general_log;
connection master_1;
DELETE FROM tbl_a WHERE col_ts='1970-01-01 01:00:01';
SELECT *, unix_timestamp(col_ts) FROM tbl_a;
col_a col_dt col_ts unix_timestamp(col_ts)
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
connection child2_1;
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';
argument
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %'
SELECT col_a, col_dt, col_ts, unix_timestamp(col_ts) FROM tbl_a ORDER BY col_a;
col_a col_dt col_ts unix_timestamp(col_ts)
2 2018-03-25 02:00:00 2018-03-25 03:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 03:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 02:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
connection child2_1;
TRUNCATE TABLE mysql.general_log;
connection master_1;
SET @@timestamp=1;
INSERT INTO tbl_a VALUES (1, now(), now());
SET @@timestamp=0;
SELECT *, unix_timestamp(col_ts) FROM tbl_a;
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
connection child2_1;
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';
argument
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %'
SELECT col_a, col_dt, col_ts, unix_timestamp(col_ts) FROM tbl_a ORDER BY col_a;
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 03:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 03:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 02:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
UPDATEs
connection child2_1;
TRUNCATE TABLE mysql.general_log;
connection master_1;
UPDATE tbl_a SET col_ts=col_dt;
SELECT *, unix_timestamp(col_ts) FROM tbl_a;
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
connection child2_1;
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';
argument
select `col_a`,`col_dt`,`col_ts` from `ts_test_remote`.`tbl_a` for update
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %'
SELECT col_a, col_dt, col_ts, unix_timestamp(col_ts) FROM tbl_a ORDER BY col_a;
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 03:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 03:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 02:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
Lookups
connection child2_1;
TRUNCATE TABLE mysql.general_log;
connection master_1;
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts > '2018-01-01';
col_a col_dt col_ts unix_timestamp(col_ts)
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts < '2018-10-28 02:30:00';
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE '2018-10-28 02:30:00' > col_ts;
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts BETWEEN '2018-10-28 01:30:00' AND '2018-10-28 02:30:00';
col_a col_dt col_ts unix_timestamp(col_ts)
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts >= '2018-10-28 01:30:00' AND col_ts <= '2018-10-28 02:30:00';
col_a col_dt col_ts unix_timestamp(col_ts)
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts > 180325020000;
col_a col_dt col_ts unix_timestamp(col_ts)
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts > 19700101010001;
col_a col_dt col_ts unix_timestamp(col_ts)
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
connection child2_1;
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';
argument
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (t0.`col_ts` > _latin1'2017-12-31 23:00:00')
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (t0.`col_ts` < _latin1'2018-10-28 01:30:00')
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (_latin1'2018-10-28 01:30:00' > t0.`col_ts`)
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (t0.`col_ts` between _latin1'2018-10-28 00:30:00' and _latin1'2018-10-28 01:30:00')
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where ((t0.`col_ts` >= _latin1'2018-10-28 00:30:00') and (t0.`col_ts` <= _latin1'2018-10-28 01:30:00'))
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (t0.`col_ts` > '2018-03-25 01:00:00')
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (t0.`col_ts` > '1970-01-01 00:00:01')
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %'
SELECT col_a, col_dt, col_ts, unix_timestamp(col_ts) FROM tbl_a ORDER BY col_a;
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 03:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 03:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 02:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
Drop the index on the timestamp column
connection child2_1;
DROP INDEX i_ts ON tbl_a;
SHOW CREATE TABLE tbl_a;
Table Create Table
tbl_a CREATE TABLE `tbl_a` (
`col_a` int(10) unsigned NOT NULL AUTO_INCREMENT,
`col_dt` datetime DEFAULT NULL,
`col_ts` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
PRIMARY KEY (`col_a`)
) ENGINE=InnoDB AUTO_INCREMENT=17 DEFAULT CHARSET=utf8mb4
TRUNCATE TABLE mysql.general_log;
connection master_1;
DROP INDEX i_ts ON tbl_a;
SHOW CREATE TABLE tbl_a;
Table Create Table
tbl_a CREATE TABLE `tbl_a` (
`col_a` int(10) unsigned NOT NULL AUTO_INCREMENT,
`col_dt` datetime DEFAULT NULL,
`col_ts` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
PRIMARY KEY (`col_a`)
) ENGINE=SPIDER AUTO_INCREMENT=17 DEFAULT CHARSET=utf8mb4 COMMENT='database "ts_test_remote", table "tbl_a", srv "s_2_1"'
Retry lookups on unindexed timestamp column
connection child2_1;
TRUNCATE TABLE mysql.general_log;
connection master_1;
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts > '2018-01-01';
col_a col_dt col_ts unix_timestamp(col_ts)
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts < '2018-10-28 02:30:00';
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE '2018-10-28 02:30:00' > col_ts;
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts BETWEEN '2018-10-28 01:30:00' AND '2018-10-28 02:30:00';
col_a col_dt col_ts unix_timestamp(col_ts)
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts >= '2018-10-28 01:30:00' AND col_ts <= '2018-10-28 02:30:00';
col_a col_dt col_ts unix_timestamp(col_ts)
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts > 180325020000;
col_a col_dt col_ts unix_timestamp(col_ts)
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
SELECT *, unix_timestamp(col_ts) FROM tbl_a WHERE col_ts > 19700101010001;
col_a col_dt col_ts unix_timestamp(col_ts)
2 2018-03-25 02:00:00 2018-03-25 02:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 02:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 01:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
connection child2_1;
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';
argument
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (t0.`col_ts` > _latin1'2017-12-31 23:00:00')
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (t0.`col_ts` < _latin1'2018-10-28 01:30:00')
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (_latin1'2018-10-28 01:30:00' > t0.`col_ts`)
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (t0.`col_ts` between _latin1'2018-10-28 00:30:00' and _latin1'2018-10-28 01:30:00')
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where ((t0.`col_ts` >= _latin1'2018-10-28 00:30:00') and (t0.`col_ts` <= _latin1'2018-10-28 01:30:00'))
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (t0.`col_ts` > '2018-03-25 01:00:00')
select t0.`col_a` `col_a`,t0.`col_dt` `col_dt`,t0.`col_ts` `col_ts`,(unix_timestamp(t0.`col_ts`)) `unix_timestamp(col_ts)` from `ts_test_remote`.`tbl_a` t0 where (t0.`col_ts` > '1970-01-01 00:00:01')
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %'
SELECT col_a, col_dt, col_ts, unix_timestamp(col_ts) FROM tbl_a ORDER BY col_a;
col_a col_dt col_ts unix_timestamp(col_ts)
1 1970-01-01 01:00:01 1970-01-01 01:00:01 1
2 2018-03-25 02:00:00 2018-03-25 03:00:00 1521939600
3 2018-03-25 02:30:00 2018-03-25 03:30:00 1521941400
4 2018-10-28 01:30:00 2018-10-28 02:30:00 1540686600
5 2018-10-28 02:30:00 2018-10-28 02:30:00 1540690200
6 2038-01-19 04:14:07 2038-01-19 04:14:07 2147483647
Test the TIMESTAMP function
connection master_1;
INSERT INTO tbl_f VALUES ('2018-06-24', '01:23:45'),
('2018-06-24', '01:23:45'),
('2018-08-01', '12:34:56');
connection child2_1;
TRUNCATE TABLE mysql.general_log;
connection master_1;
SELECT * FROM tbl_f;
col_d col_t
2018-06-24 01:23:45
2018-06-24 01:23:45
2018-08-01 12:34:56
SELECT TIMESTAMP(col_d, col_t) FROM tbl_f;
TIMESTAMP(col_d, col_t)
2018-06-24 01:23:45
2018-06-24 01:23:45
2018-08-01 12:34:56
SELECT TIMESTAMP('2018-06-25', col_t) FROM tbl_f;
TIMESTAMP('2018-06-25', col_t)
2018-06-25 01:23:45
2018-06-25 01:23:45
2018-06-25 12:34:56
SELECT TIMESTAMP(col_d, '10:43:21') FROM tbl_f;
TIMESTAMP(col_d, '10:43:21')
2018-06-24 10:43:21
2018-06-24 10:43:21
2018-08-01 10:43:21
SELECT TIMESTAMP('2018-06-25', '10:43:21') FROM tbl_f;
TIMESTAMP('2018-06-25', '10:43:21')
2018-06-25 10:43:21
2018-06-25 10:43:21
2018-06-25 10:43:21
connection child2_1;
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';
argument
select t0.`col_d` `col_d`,t0.`col_t` `col_t` from `ts_test_remote`.`tbl_f` t0
select (timestamp(t0.`col_d` , t0.`col_t`)) `TIMESTAMP(col_d, col_t)` from `ts_test_remote`.`tbl_f` t0
select (timestamp('2018-06-25' , t0.`col_t`)) `TIMESTAMP('2018-06-25', col_t)` from `ts_test_remote`.`tbl_f` t0
select (timestamp(t0.`col_d` , '10:43:21')) `TIMESTAMP(col_d, '10:43:21')` from `ts_test_remote`.`tbl_f` t0
select 1 from `ts_test_remote`.`tbl_f` t0
SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %'
SELECT col_d, col_t FROM tbl_f;
col_d col_t
2018-06-24 01:23:45
2018-06-24 01:23:45
2018-08-01 12:34:56
Restore Time Zone settings
connection master_1;
SET GLOBAL time_zone=DEFAULT;
SET time_zone=DEFAULT;
connection child2_1;
SET GLOBAL time_zone=DEFAULT;
SET time_zone=DEFAULT;
deinit
connection master_1;
DROP DATABASE IF EXISTS ts_test_local;
connection child2_1;
DROP DATABASE IF EXISTS ts_test_remote;
SET GLOBAL log_output = @old_log_output;
for master_1
for child2
child2_1
child2_2
child2_3
for child3
child3_1
child3_2
child3_3
end of test
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