如下:select relname as 表名, reltuples as 记录数 from pg_class where relkind = 'r' and relnamespace = (select oid from pg_namespace where nspname='xxxxx') order by 记录数 desc;
如下:SELECT procpid, START, now() - START AS lap, current_query FROM ( SELECT backendid, pg_stat_get_backend_pid (S.backendid) AS procpid, ...
安装sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list' wget --quiet -O - https://www.postgresql.org/media/k...
今天遇到一个问题,就是其他业务系统过来的时间戳类型为毫秒级如:1635830753393 通过postgresql 的to_timestamp函数后,发现时间错误了,得到的时间成为了 53807-06-01 07:29:52.999936经过排查发现时间戳位数问题,于是使用一下方式得到正确的时间select to_timestamp(1635830753393/1000.0) //保留毫秒...