使用优先级对 MySQL 搜索结果进行排序


Sorting a MySQL search result with Priority

我知道这个问题在这里被问了几次,但是浏览这些线程并没有给我带来任何帮助。我使用ORDER BY "column Name"按字母顺序对搜索结果进行排序。但是,我希望有一个搜索结果始终位于顶部。

例如,我将按名称列对它们进行排序,但我总是希望Zaboomafoo是第一个结果。我将如何做到这一点?这是我的PHP:

$sql = "SELECT * FROM `" . $db_table . "` WHERE (UPPER(city) LIKE UPPER('%$searchq%') OR UPPER(postal) LIKE UPPER('%$searchq%')) AND disable = 1 ORDER BY name";
while($row1 = mysqli_fetch_array($query))
        {
            $name = $row1['name'];
            $business  =$row1['business'];
            $description = $row1['description'];
            $email = $row1['email'];
            $phone = $row1['phone'];
            $image = $row1['image'];
        }

然后我把这些信息输入到一个名为 output 的变量中,并将其回显到屏幕上。

尝试这样的事情:

SELECT *
FROM table_name
WHERE (UPPER(city) LIKE UPPER('%$searchq%') 
  OR UPPER(postal) LIKE UPPER('%$searchq%')) 
  AND disable = 1 
ORDER BY IF(name = 'Zaboomafoo', 0, 1), name

如果你只希望一个特定的名字总是在上面,你可以这样做

SELECT ... ORDER BY name = 'Zaboomafoo' DESC, name;

如果要固定多行,最好添加一个单独的priority列并执行

SELECT ... ORDER BY priority DESC, name;

只是为了多样化:

SELECT name
     ...
    , priority = CASE name
            WHEN 'Zaboomafoo' THEN 999
            WHEN 'Barzaboma' THEN 111
        END
FROM some_table
ORDER BY priority DESC
    , name