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
摘要:
Redis exception; nested exception is io.lettuce.core.RedisException: java.lang.IllegalStateException user_script:3: unexpected symbol near '' 以上等等问题 阅读全文