[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?
我有以下查詢,該查詢對結果進行隨機排序:
$sql = "SELECT *, `active` FROM `profiles` WHERE CONCAT(',' , pfCategory , ',') LIKE '%$category%' AND `active`='1' ORDER BY RAND()";
我想在profiles
表中添加一個布爾值字段,以使值為1的隨機結果將出現在隨機列表中值為0的那些結果的頂部。 那可能嗎? 謝謝
您可以使用
$sql = "SELECT *, `active` FROM `profiles` WHERE CONCAT(',' , pfCategory , ',') LIKE '%$category%' AND `active`='1' ORDER BY active, RAND()";
如果“活動”是要排序的字段。
最好的問候,Nebojsa
嘗試使用以下查詢:
$sql = "SELECT *, `active` FROM `profiles` WHERE CONCAT(',' , pfCategory , ',') LIKE '%$category%' AND `active`='1' ORDER BY boolean_field_name DESC, RAND()";
你可以在這里用一個案例
order by case when `active`='1' then 0
else rand() end
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