postgreSQL 应用case when的例子
发布时间:2020-12-13 17:32:27 所属栏目:百科 来源:网络整理
导读:selectname,md5(indvl_id_nbr) as indvl_id_nbr,case when char_length(indvl_id_nbr)=18 or char_length(indvl_id_nbr)=15 then substring(indvl_id_nbr from 1 for 6)end as id_prefix,case when char_length(indvl_id_nbr)=18 then substring(indvl_id_nb
select name,md5(indvl_id_nbr) as indvl_id_nbr,case when char_length(indvl_id_nbr)=18 or char_length(indvl_id_nbr)=15 then substring(indvl_id_nbr from 1 for 6) end as id_prefix,case when char_length(indvl_id_nbr)=18 then substring(indvl_id_nbr from 7 for 8) when char_length(indvl_id_nbr)=15 then '19' || substring(indvl_id_nbr from 7 for 6) else null end as id_brth_dt from myschema.table_test; (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |