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[英]How to order results of a query randomly & select random rows. (MySQL)
[英]How to order mysql query results by random() and by another field?
我有以下查询,该查询对结果进行随机排序:
$sql = "SELECT *, `active` FROM `profiles` WHERE CONCAT(',' , pfCategory , ',') LIKE '%$category%' AND `active`='1' ORDER BY RAND()";
我想在profiles
表中添加一个布尔值字段,以使值为1的随机结果将出现在随机列表中值为0的那些结果的顶部。 那可能吗? 谢谢
您可以使用
$sql = "SELECT *, `active` FROM `profiles` WHERE CONCAT(',' , pfCategory , ',') LIKE '%$category%' AND `active`='1' ORDER BY active, RAND()";
如果“活动”是要排序的字段。
最好的问候,Nebojsa
尝试使用以下查询:
$sql = "SELECT *, `active` FROM `profiles` WHERE CONCAT(',' , pfCategory , ',') LIKE '%$category%' AND `active`='1' ORDER BY boolean_field_name DESC, RAND()";
你可以在这里用一个案例
order by case when `active`='1' then 0
else rand() end
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