查詢沒有返回所有可能的結果

Question

我遇到了MySQL LIKE未返回所有可能結果的問題。我有下面的代碼：

<?php 
$query = "SELECT `user_id`, 
        `rank`, 
        `habbo_name`, 
        `rating`, 
        `branch` 
      FROM `personnel` 
      WHERE status='active' AND 
        rating='(DIROPS)' 
     ORDER BY `habbo_name`"; 

$result = $con->prepare($query); 
$result->execute(); 
while ($row = $result->fetch()) 
{ 
    echo "<b>DIROPS:</b>&nbsp" . htmlspecialchars($row['habbo_name']) . "<br>"; 
} 

$query = "SELECT `user_id`, 
        `rank`, 
        `habbo_name`, 
        `rating`, 
        `branch` 
      FROM `personnel` 
      WHERE status='active' AND 
        rating='(CO TECOM)' AND 
        `branch`='usmc' 
     ORDER BY `habbo_name`"; 

$result = $con->prepare($query); 
$result->execute(); 
while ($row = $result->fetch()) 
{ 
    echo "<b>CO TECOM:</b>&nbsp" . htmlspecialchars($row['habbo_name']) . "<br>"; 
} 

$query = "SELECT `user_id`, 
        `rank`, 
        `habbo_name`, 
        `rating`, 
        `branch` 
      FROM `personnel` 
      WHERE status='active' AND 
        rating='(XO TECOM)' AND 
        `branch`='usmc' 
     ORDER BY `habbo_name`"; 

$result = $con->prepare($query); 
$result->execute(); 
while ($row = $result->fetch()) 
{ 
    echo "<b>XO TECOM:</b>&nbsp" . htmlspecialchars($row['habbo_name']) . "<br>"; 
} 
?> 
<br> 
<?php 
$query = "SELECT `user_id`, 
        `rank`, 
        `habbo_name`, 
        `rating`, 
        `branch` 
      FROM `personnel` 
      WHERE status='active' AND 
        `rating` LIKE '%(TECOM%' OR 
        `rating` LIKE '%/TECOM%' AND 
        status='active' 
     ORDER BY `habbo_name`"; 

$result = $con->prepare($query); 
$result->execute(); 
while ($row = $result->fetch()) 
{ 
    echo "<b>TECOM:</b>&nbsp" . htmlspecialchars($row['habbo_name']) . "<br>"; 
} 
?> 

這一點，因爲據我所知，應該打印出來誰擁有等級設置爲（DIROPS）的人，（CO TECOM），（XO TECOM），然後（TECOM或/ TECOM）。

我的問題是隻有DIROPS和其他幾個正在返回。這是結果我從代碼獲得：

任何人都可以讓我知道我錯了？謝謝！

編輯：記錄應當顯示： -

TEO-emo12 (DIROPS) 
RockerManiac123 (CO TECOM) 
Rach-L (Lugn) (XO TECOM) 
Reyess (TECOM) 
zachary1142 (AuXHiDef-) (TECOM) 
norsk.no (TECOM) 
lordoftjefly (mingrana) (PPO/TECOM) 
spen1000 (TECOM/DI) 

Answer 1

你應該使用，而不是爲每個條件運行相同的查詢多次一個查詢，包裹你的所有rating條件組與父AND操作，只是遍歷結果集忽略多個環路它會影響執行時間

SELECT `user_id`, 
        `rank`, 
        `habbo_name`, 
        `rating`, 
        `branch` 
      FROM `personnel` 
      WHERE status='active' AND (
        `rating` LIKE '%(DIROPS)%' OR 
        `rating` LIKE '%(CO TECOM)%' OR      
        `rating` LIKE '%(XO TECOM)%' OR 
        `rating` LIKE '%(TECOM%' OR 
        `rating` LIKE '%/TECOM%' 
       ) AND `branch`='usmc' 
     ORDER BY `habbo_name` 

或

SELECT `user_id`, 
        `rank`, 
        `habbo_name`, 
        `rating`, 
        `branch` 
      FROM `personnel` 
      WHERE status='active' AND (
        `rating` LIKE '%(DIROPS)%' OR 
        `rating` LIKE '%(TECOM%' OR 
        `rating` LIKE '%/TECOM%' 
       ) OR `rating` IN 
(SELECT `rating` FROM `personnel` WHERE `branch`='usmc' 
    AND (`rating` ='(CO TECOM)' OR `rating` ='(XO TECOM)')) 
     ORDER BY `habbo_name`