TaskUpdateController.class.php
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<?php
/**
* Created by PhpStorm.
* User: xtong
* Date: 17/9/1
* Time: 17:39
*/
namespace Frontend\Controller\UpdateDB;
class TaskUpdateController extends AbstractController
{
/**
* 任务中心、线下培训上线所需数据字段变更
* @author daijun
* @date 2017-09-15
*/
public function Index()
{
$sql = $this->_updateSql();
if (empty($sql)) {
exit('没有可升级的sql');
}
$db = \Think\Db::getInstance();
try {
$db->execute($sql);
} catch (\Exception $e) {
exit("数据库升级失败：" . $e->getMessage());
}
exit("数据库升级完成，执行sql如下：{$sql}");
}
/**
* 待升级的sql
* 1. oa_exam_paper（试卷详情表），增加字段exam_type
* 2. oa_exam_paper（试卷详情表），增加索引exam_type
* 3. oa_exam_answer（用户答卷表），增加字段 data_type、obj_id
* 4. oa_exam_answer（用户答卷表），增加索引 obj_id
* @author daijun
* @return string
*/
private function _updateSql()
{
$sql = "
ALTER TABLE `oa_exam_paper` ADD `exam_type` TINYINT(1) NOT NULL DEFAULT '1' COMMENT '试卷类型(1:常规试卷，2：任务类，3:线下培训)' AFTER `ec_id`;
ALTER TABLE `oa_exam_paper` ADD INDEX exam_type ( `exam_type`);
ALTER TABLE `oa_exam_answer` ADD `data_type` TINYINT(1) NOT NULL DEFAULT '1' COMMENT '数据类型(1:常规试卷，2：任务类，3:线下培训)' AFTER `businessid`;
ALTER TABLE `oa_exam_answer` ADD `obj_id` INT(10) NOT NULL DEFAULT '0' COMMENT '任务、培训ID' AFTER `businessid`;
ALTER TABLE `oa_exam_answer` ADD INDEX obj_id ( `obj_id`);
";
return $sql;
}
}