mysql 大数据查询分页

mysql 数据量过大, 导致分页查询过慢解决办法

DB::select("select a.title,a.name from 
(SELECT `id` FROM `article`  WHERE `status` = ? AND `updated_at` > ? LIMIT ? OFFSET ? ) c 
LEFT JOIN article a ON a.id = c.id 
LEFT JOIN `detail` AS `ab` ON `a`.`id` = `ab`.`article_id` ",[1,'2018-12-01',$limit,$offset]

自定义函数

/**
 * updateBigDataBySql 用SQL拼接批量更新
 *
 * @param array $multipleData 更新数据
 *
 * @return bool|int
 */
public function updateBigDataBySql($multipleData = []){
    try {
        if (empty($multipleData)) {
            throw new \Exception("数据不能为空");
        }
        $tableName = $this->model->getTable(); 
        $firstRow  = current($multipleData);

        $updateColumn = array_keys($firstRow);
        // 默认以id为条件更新，如果没有ID则以第一个字段为条件
        $referenceColumn = isset($firstRow['id']) ? 'id' : current($updateColumn);
        unset($updateColumn[0]);
        // 拼接sql语句
        $updateSql = "UPDATE " . $tableName . " SET ";
        $sets      = [];
        $bindings  = [];
        foreach ($updateColumn as $uColumn) {
            $setSql = "`" . $uColumn . "` = CASE ";
            foreach ($multipleData as $data) {
                $setSql .= "WHEN `" . $referenceColumn . "` = ? THEN ? ";
                $bindings[] = $data[$referenceColumn];
                $bindings[] = $data[$uColumn];
            }
            $setSql .= "ELSE `" . $uColumn . "` END ";
            $sets[] = $setSql;
        }

        $updateSql .= implode(', ', $sets);
        $whereIn   = collect($multipleData)->pluck($referenceColumn)->values()->all();
        $bindings  = array_merge($bindings, $whereIn);
        $whereIn   = rtrim(str_repeat('?,', count($whereIn)), ',');
        $updateSql = rtrim($updateSql, ", ") . " WHERE `" . $referenceColumn . "` IN (" . $whereIn . ")";
        // 传入预处理sql语句和对应绑定数据
        return DB::update($updateSql, $bindings);
    } catch (\Exception $e) {
        return false;
    }
}