-1
SELECT district_lease,
first_proddate,
prod_cnt,
@rt := @rt + prod_cnt AS api_cnt
FROM Temp1 a
JOIN (SELECT @rt := 0) r
GROUP BY district_lease, first_proddate
ORDER BY district_lease, first_proddate ;
此查询组district_lease,first_proddate但运行总计为完整的查询计算运行总计未运行,各组的总。我们想要的是每个district_lease和first_proddate的运行总数。如何选择查询
可以请你分享一些数据和预期的结果? – AK47 2014-09-10 09:17:34