列统一给别名

标签：when   group   别名   attach   sel   select   inf   ali   tac   

select GROUP_CONCAT(t.alise,‘.‘,t.column_name) from (

select column_name ,
(case table_name
when ‘news‘ then ‘n‘
when ‘news_attachment‘ then ‘na‘ else ‘‘ end) alise
from
information_schema.`COLUMNS`
where table_schema = ‘ecs_news‘
and table_name in ( ‘news‘,‘news_attachment‘ )

) t

列统一给别名

标签：when   group   别名   attach   sel   select   inf   ali   tac   

原文地址：https://www.cnblogs.com/138026310/p/11810853.html