摘要:
判断表是否存在方法1: SELECT case WHEN a.cc =1 THEN 2 else 0 END FROM ( select count(*) as cc from pg_class where relname = 'wo' --wo is table name,pg_class是pg自 阅读全文
摘要:
select DATE_FORMAT(create_time,'%Y%u') weeks,count(caseid) count from tc_case group by weeks; select DATE_FORMAT(create_time,'%Y%m%d') days,count(case 阅读全文
摘要:
写了一天代码,提交时报错。拉取也不行 Can't Update No tracked branch configured for branch master or the branch doesn't exist. To make your branch track a remote branch 阅读全文