<sql>select case when (select count(*) from single_yuejuan_source_process.task_list where task_status=1)>0 then 1 else 0 end is_run</sql>
<sql>select case when (select count(*) from single_yuejuan_source_process.task_list where task_status=1 and del_flag=0)>0 then 1 else 0 end is_run</sql>
<sql>select case when (select count(*) from union_yuejuan_source_process.task_list where task_status=1)>0 then 1 else 0 end is_run</sql>
<sql>select case when (select count(*) from union_yuejuan_source_process.task_list where task_status=1 and del_flag=0)>0 then 1 else 0 end is_run</sql>