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<?php
class CreateCwClipboardsTable extends Migration
{
public function description()
{
return 'create table for courseware clipboards';
}
public function up()
{
$db = DBManager::get();
$query = "CREATE TABLE IF NOT EXISTS `cw_clipboards` (
`id` INT(11) NOT NULL AUTO_INCREMENT,
`user_id` CHAR(32) COLLATE latin1_bin NOT NULL,
`name` VARCHAR(255) NOT NULL,
`description` MEDIUMTEXT NOT NULL,
`block_id` INT(11) NULL,
`container_id` INT(11) NULL,
`structural_element_id` INT(11) NULL,
`object_type` ENUM('courseware-structural-elements', 'courseware-containers', 'courseware-blocks') COLLATE latin1_bin NOT NULL,
`object_kind` VARCHAR(255) COLLATE latin1_bin NOT NULL,
`backup` MEDIUMTEXT NOT NULL,
`mkdate` INT(11) UNSIGNED NOT NULL,
`chdate` INT(11) UNSIGNED NOT NULL,
PRIMARY KEY (`id`),
INDEX index_user_id (`user_id`)
)";
$db->exec($query);
}
public function down()
{
$db = \DBManager::get();
$db->exec('DROP TABLE IF EXISTS `cw_clipboards`');
}
}
|
