<?php 
 
namespace Kanboard\Plugin\group_assign\Schema; 
 
use PDO; 
 
const VERSION = 2; 
 
function version_2(PDO $pdo) 
{ 
    $pdo->exec("ALTER TABLE `tasks` ADD COLUMN `owner_ms` INT DEFAULT '0'"); 
     
    $pdo->exec(" 
        CREATE TABLE `multiselect` ( 
            id INT NOT NULL AUTO_INCREMENT, 
            external_id VARCHAR(255) DEFAULT '', 
            PRIMARY KEY(id) 
        ) ENGINE=InnoDB CHARSET=utf8 
    "); 
    $pdo->exec(" 
        CREATE TABLE multiselect_has_users ( 
            group_id INT NOT NULL, 
            user_id INT NOT NULL, 
            FOREIGN KEY(group_id) REFERENCES `multiselect`(id) ON DELETE CASCADE, 
            FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE, 
            UNIQUE(group_id, user_id) 
        ) ENGINE=InnoDB CHARSET=utf8 
    "); 
} 
 
function version_1(PDO $pdo) 
{ 
    $pdo->exec("ALTER TABLE `tasks` ADD COLUMN `owner_gp` INT DEFAULT '0'"); 
} 
 
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