摘要：private List<String> getClearRiskKeys(String key){ List<String> userIdList = new ArrayList<>(); ScanOptions scanOptions = ScanOptions.scanOptions().co 阅读全文

摘要：方法一 SELECT user_id,sumAmount,max(op_time) from test GROUP BY user_id 方法二 SELECT * from (SELECT * from test ORDER BY op_time) b GROUP BY user_id 阅读全文