从状态库迁移分布系统建设方式

update temp.pl_indoor_copy_2021_01_14_02 pcp
set distribution_system_const_mode=b.分布系统建设方式
from 
 (  
 select pcp.site_planning_id,t.分布系统建设方式 from temp.pl_indoor_copy_2021_01_14_02 pcp
inner join npas.wr_map_npa_mtnoh a on pcp.site_planning_id = a.npa_site_planning_id
inner join mtnoh.task_5 t on a. MTNOH_MAIN_WO_SEQNO=t.工单流水号
where pcp.distribution_system_const_mode is null and t.分布系统建设方式 is not null
 )as b
where pcp.site_planning_id = b.site_planning_id
and pcp.distribution_system_const_mode  is null;