varlast_task_synchro_log=conn.QuerySingleOrDefault<task_synchro_log>(" select * from task_synchro_log where task_name=@task_name and status=1 order by end_time desc limit 1 ",new{task_name=task_name});
varpu_count=_connection.QueryFirstOrDefault<int?>(" select id from dc_base_purchase_details where purchase_id=@purchase_id and bailun_sku=@bailun_sku ",new{
varpu_count=_connection.QueryFirstOrDefault<int?>(" select id from dc_base_purchase_details where purchase_id=@purchase_id and bailun_sku=@bailun_sku ",new
varold_data=conn.QueryFirstOrDefault<dc_base_prod_order>(" select * from dc_base_prod_order where `purchase_no`=@purchase_no and bailun_sku=@bailun_sku ",new