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START TRANSACTION
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set session collation_connection = "latin1_general_ci"
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DROP DATABASE IF EXISTS `base`
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CREATE DATABASE IF NOT EXISTS `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_cs`
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DROP TABLE IF EXISTS `Test`
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CREATE TABLE `Test`
( `LI_ident` integer unsigned NOT NULL AUTO_INCREMENT,
`LI_activate_date` date NOT NULL,
`LI_deactivate_date` date NULL DEFAULT NULL,
`AP_ident` integer unsigned NOT NULL,
`US_ident` integer unsigned NOT NULL,
`flag` char(01) NULL DEFAULT NULL,
PRIMARY KEY (`AP_ident`,`US_ident`),
UNIQUE INDEX (`LI_ident`)
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_cs`
ROW_FORMAT=COMPRESSED
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insert into `Test` (`AP_ident`,`US_ident`,`LI_activate_date`,`LI_deactivate_date`) values
(101, 201, '2022-01-01', NULL),
(102, 205, '2022-02-01', NULL)
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select * from `Test`
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+----------+------------------+--------------------+----------+----------+------+
| LI_ident | LI_activate_date | LI_deactivate_date | AP_ident | US_ident | flag |
+----------+------------------+--------------------+----------+----------+------+
| 1 | 2022-01-01 | NULL | 101 | 201 | NULL |
| 2 | 2022-02-01 | NULL | 102 | 205 | NULL |
+----------+------------------+--------------------+----------+----------+------+
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DROP TABLE IF EXISTS `Temp`
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CREATE TABLE `Temp`
( `LI_ident` integer unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY,
`LI_activate_date` date NOT NULL,
`LI_deactivate_date` date NULL DEFAULT NULL,
`AP_ident` integer unsigned NOT NULL,
`US_ident` integer unsigned NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_cs`
ROW_FORMAT=COMPRESSED
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insert into `Temp` (`AP_ident`,`US_ident`,`LI_activate_date`,`LI_deactivate_date`) values
(101, 201, '2022-01-01', '2022-01-31'),
(103, 202, '2022-03-01', NULL)
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select * from `Temp`
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+----------+------------------+--------------------+----------+----------+
| LI_ident | LI_activate_date | LI_deactivate_date | AP_ident | US_ident |
+----------+------------------+--------------------+----------+----------+
| 1 | 2022-01-01 | 2022-01-31 | 101 | 201 |
| 2 | 2022-03-01 | NULL | 103 | 202 |
+----------+------------------+--------------------+----------+----------+
--------------
insert into `test` (`AP_ident`,`US_ident`,`LI_activate_date`,`LI_deactivate_date`,`flag`)
select `AP_ident`,
`US_ident`,
`LI_activate_date`,
`LI_deactivate_date`,
'I' as `flag`
from `temp`
on duplicate key update `LI_activate_date` = values(`LI_activate_date`),
`LI_deactivate_date` = values(`LI_deactivate_date`),
`flag` = 'M'
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select * from `Test`
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+----------+------------------+--------------------+----------+----------+------+
| LI_ident | LI_activate_date | LI_deactivate_date | AP_ident | US_ident | flag |
+----------+------------------+--------------------+----------+----------+------+
| 1 | 2022-01-01 | 2022-01-31 | 101 | 201 | M |
| 2 | 2022-02-01 | NULL | 102 | 205 | NULL |
| 3 | 2022-03-01 | NULL | 103 | 202 | I |
+----------+------------------+--------------------+----------+----------+------+
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COMMIT
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