![](/img/trans.png)
[英]MySql how to select sum column with 2 different where conditions in 1 query
[英]Mysql query to select records where the sum of a column's values is in a given variable range
我一直在尝试编写查询以从表中选择所有记录,其中列值的总和在可变范围之间。
到目前为止,这是我想到的:
$result = mysql_query(' SELECT * FROM table WHERE SUM(column) BETWEEN $Range1 AND $Range2 ORDER BY RAND());
但是,当我尝试使用mysql_fetch_object函数遍历上述查询时,它给了我一个常见的错误(提供的参数不是有效的结果)。我尝试了不同的编写方式,但仍然很简短
因此,我尝试使用你们提供的别名进行查询,但仍然收到相同的错误。
$result = mysql_query(' SELECT column1, SUM(column2) AS Total FROM table GROUP BY column1 HAVING Total BETWEEN $Range1 AND $Range11 ORDER BY RAND()');
我不确定需要什么“按兰特排序”,但是您的最终查询将如下所示:
SELECT *, SUM(column) AS `total`
FROM table
GROUP BY someColumn
HAVING `total` BETWEEN $Range1 AND $Range2
ORDER BY RAND()
;
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.