update us_quotes_history_11 a join us_quotes_history_11 b on(a.RIC=b.RIC and a.hq_time=date_add(b.hq_time, interval 3 month)) set a.acc_volume=b.acc_volume where a.RIC="IXIC" and a.hq_time > '2013-06-28';
本文共 258 字，大约阅读时间需要 1 分钟。
update us_quotes_history_11 a join us_quotes_history_11 b on(a.RIC=b.RIC and a.hq_time=date_add(b.hq_time, interval 3 month)) set a.acc_volume=b.acc_volume where a.RIC="IXIC" and a.hq_time > '2013-06-28';
转载于:https://www.cnblogs.com/gaohuag/p/3161046.html