开发说pg中执行sql报错，发来消息让帮看看：
SELECT DISTINCT ON expressions must match initial ORDER BY expressions
详细语句如下：
SELECT DISTINCT ON ( p_no ) p_no, p_name, p_manager, p_manager_no, p_dept FROM P WHERE corporation = $1 AND status = $2 ORDER BY create_time DESC
失败的原因看看官方文档就知道了：
SELECT DISTINCT ON expressions must match initial ORDER BY expressions
原文：https://www.cnblogs.com/abclife/p/11866294.html