@Override
    public JobPo getJob(String taskTrackerNodeGroup, String taskId) {
        return new SelectSql(getSqlTemplate())
                .select()
                .all()
                .from()
                .table(getTableName())
                .where("task_id = ?", taskId)
                .and("task_tracker_node_group = ?", taskTrackerNodeGroup)
                .single(RshHolder.JOB_PO_RSH);
    }
@author Robert HG (254963746@qq.com) on 5/31/15.
lts-core/src/main/java/com/github/ltsopensource/queue/mysql/MysqlExecutingJobQueue.java