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SET AUTOCOMMIT = 0
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START TRANSACTION
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DROP DATABASE IF EXISTS `base`
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CREATE DATABASE `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_ci`
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DROP TABLE IF EXISTS `test`
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CREATE TABLE `test`
( `id` integer unsigned not null auto_increment primary key,
`chaine` char(25) not null
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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insert into `test` (`chaine`) values
('2017-12-26T17:28:35+01:00')
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select * from `test`
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+----+---------------------------+
| id | chaine |
+----+---------------------------+
| 1 | 2017-12-26T17:28:35+01:00 |
+----+---------------------------+
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alter table `test` add column `val1` datetime null after `chaine`
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alter table `test` add column `val2` date null after `val1`
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alter table `test` add column `val3` time null after `val2`
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describe `test`
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+--------+------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+--------+------------------+------+-----+---------+----------------+
| id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| chaine | char(25) | NO | | NULL | |
| val1 | datetime | YES | | NULL | |
| val2 | date | YES | | NULL | |
| val3 | time | YES | | NULL | |
+--------+------------------+------+-----+---------+----------------+
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commit
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update `test` set `val1` = date_format(substring(`chaine`,1,19),'%Y-%m-%d %H:%i:%s')
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update `test` set `val2` = date(`val1`)
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update `test` set `val3` = time(`val1`)
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select * from `test`
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+----+---------------------------+---------------------+------------+----------+
| id | chaine | val1 | val2 | val3 |
+----+---------------------------+---------------------+------------+----------+
| 1 | 2017-12-26T17:28:35+01:00 | 2017-12-26 17:28:35 | 2017-12-26 | 17:28:35 |
+----+---------------------------+---------------------+------------+----------+
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COMMIT
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SET AUTOCOMMIT = 1
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