initial commit 2

sql/0002-db-version.sql

@@ -0,0 +1,36 @@
+CREATE TABLE IF NOT EXISTS `tab_db_version` (
+  `db_version_id` INT NOT NULL AUTO_INCREMENT,
+  `db_version` VARCHAR(100) NOT NULL,
+  `db_version_create_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  `db_version_update_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`db_version_id`),
+  UNIQUE INDEX `uq_tab_db_version_db_version` (`db_version` ASC));
+
+DELIMITER $$
+
+DROP PROCEDURE IF EXISTS `sp_set_db_version`$$
+
+CREATE PROCEDURE `sp_set_db_version`(
+	IN `script_name` VARCHAR(100)
+)
+LANGUAGE SQL
+DETERMINISTIC
+MODIFIES SQL DATA
+SQL SECURITY INVOKER
+COMMENT 'Sets a DB version'
+BEGIN
+    IF (script_name NOT LIKE '%.sql') THEN
+        SET script_name = CONCAT(script_name, '.sql');
+    END IF;
+   
+    INSERT INTO `tab_db_version`(`db_version`)
+    VALUES(script_name)
+    ON DUPLICATE KEY UPDATE
+    `db_version` = VALUES(`db_version`);
+END$$
+
+DELIMITER ;
+
+call `sp_set_db_version`('0000-initial-db-structure');
+call `sp_set_db_version`('0001-initial-db-load');
+call `sp_set_db_version`('0002-db-version');