摘要:
TODO https://blog.csdn.net/boshuzhang/article/details/65632708 https://help.aliyun.com/document_detail/98819.html?spm=a2c4g.11186623.6.695.259b4c073n1 阅读全文
摘要:
-- 将字段去重并合并 select concat_ws(',',collect_set(cast(id as string))) as wm from ( select 1 as id union all select 1 as id union all select 1 as id union all select 2 as id union a... 阅读全文