SQL查詢OR和AND

Question

我有一個同時使用OR和AND的查詢。我正在使用PDO。

$conn = new PDO('mysql:host=localhost;dbname=helpinghands', 'root', ''); 
     $table = $conn->query("SELECT 
      a1.nickname as lv1_1, 
      a2.nickname as lv1_2, 
      a3.nickname as lv1_3, 
      a4.nickname as lv1_4, 
      a5.nickname as lv1_5, 
      a6.nickname as lv1_6, 
      a7.nickname as lv1_7, 
      a8.nickname as lv1_8, 
      a9.nickname as lv2_1, 
      a10.nickname as lv2_2, 
      a11.nickname as lv2_3, 
      a12.nickname as lv2_4, 
      a13.nickname as lv3_1, 
      a14.nickname as lv3_2, 
      a15.nickname as lv4 
      FROM tables as t 
      LEFT JOIN accounts AS a1 ON t.l1_1=a1.sponsorID 
      LEFT JOIN accounts AS a2 ON t.l1_2=a2.sponsorID 
      LEFT JOIN accounts AS a3 ON t.l1_3=a3.sponsorID 
      LEFT JOIN accounts AS a4 ON t.l1_4=a4.sponsorID 
      LEFT JOIN accounts AS a5 ON t.l1_5=a5.sponsorID 
      LEFT JOIN accounts AS a6 ON t.l1_6=a6.sponsorID 
      LEFT JOIN accounts AS a7 ON t.l1_7=a7.sponsorID 
      LEFT JOIN accounts AS a8 ON t.l1_8=a8.sponsorID 
      LEFT JOIN accounts AS a9 ON t.l2_1=a9.sponsorID 
      LEFT JOIN accounts AS a10 ON t.l2_2=a10.sponsorID 
      LEFT JOIN accounts AS a11 ON t.l2_3=a11.sponsorID 
      LEFT JOIN accounts AS a12 ON t.l2_4=a12.sponsorID 
      LEFT JOIN accounts AS a13 ON t.l3_1=a13.sponsorID 
      LEFT JOIN accounts AS a14 ON t.l3_2=a14.sponsorID 
      LEFT JOIN accounts AS a15 ON t.l4=a15.sponsorID 
      WHERE 
      (t.l1_1 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_2 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_3 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_4 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_5 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_6 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_7 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_8 = " . $conn->quote($session->sponsorID) . " OR 
      t.l2_1 = " . $conn->quote($session->sponsorID) . " OR 
      t.l2_2 = " . $conn->quote($session->sponsorID) . " OR 
      t.l2_3 = " . $conn->quote($session->sponsorID) . " OR 
      t.l2_4 = " . $conn->quote($session->sponsorID) . " OR 
      t.l3_1 = " . $conn->quote($session->sponsorID) . " OR 
      t.l3_2 = " . $conn->quote($session->sponsorID) . " OR 
      t.l4 = " . $conn->quote($session->sponsorID) . ") AND status = '1' 
      "); 

如果AND status = '1'不存在，它正在工作。但我需要使用status字段進行查詢，以便只輸出特定字段。我怎麼能做到這一點？先謝謝你。

Answer 1

// try this 
$conn = new PDO('mysql:host=localhost;dbname=helpinghands', 'root', ''); 
     $table = $conn->query("SELECT 
      a1.nickname as lv1_1, 
      a2.nickname as lv1_2, 
      a3.nickname as lv1_3, 
      a4.nickname as lv1_4, 
      a5.nickname as lv1_5, 
      a6.nickname as lv1_6, 
      a7.nickname as lv1_7, 
      a8.nickname as lv1_8, 
      a9.nickname as lv2_1, 
      a10.nickname as lv2_2, 
      a11.nickname as lv2_3, 
      a12.nickname as lv2_4, 
      a13.nickname as lv3_1, 
      a14.nickname as lv3_2, 
      a15.nickname as lv4 
      FROM tables as t 
      LEFT JOIN accounts AS a1 ON t.l1_1=a1.sponsorID 
      LEFT JOIN accounts AS a2 ON t.l1_2=a2.sponsorID 
      LEFT JOIN accounts AS a3 ON t.l1_3=a3.sponsorID 
      LEFT JOIN accounts AS a4 ON t.l1_4=a4.sponsorID 
      LEFT JOIN accounts AS a5 ON t.l1_5=a5.sponsorID 
      LEFT JOIN accounts AS a6 ON t.l1_6=a6.sponsorID 
      LEFT JOIN accounts AS a7 ON t.l1_7=a7.sponsorID 
      LEFT JOIN accounts AS a8 ON t.l1_8=a8.sponsorID 
      LEFT JOIN accounts AS a9 ON t.l2_1=a9.sponsorID 
      LEFT JOIN accounts AS a10 ON t.l2_2=a10.sponsorID 
      LEFT JOIN accounts AS a11 ON t.l2_3=a11.sponsorID 
      LEFT JOIN accounts AS a12 ON t.l2_4=a12.sponsorID 
      LEFT JOIN accounts AS a13 ON t.l3_1=a13.sponsorID 
      LEFT JOIN accounts AS a14 ON t.l3_2=a14.sponsorID 
      LEFT JOIN accounts AS a15 ON t.l4=a15.sponsorID 
      WHERE 
      (t.l1_1 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_2 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_3 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_4 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_5 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_6 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_7 = " . $conn->quote($session->sponsorID) . " OR 
      t.l1_8 = " . $conn->quote($session->sponsorID) . " OR 
      t.l2_1 = " . $conn->quote($session->sponsorID) . " OR 
      t.l2_2 = " . $conn->quote($session->sponsorID) . " OR 
      t.l2_3 = " . $conn->quote($session->sponsorID) . " OR 
      t.l2_4 = " . $conn->quote($session->sponsorID) . " OR 
      t.l3_1 = " . $conn->quote($session->sponsorID) . " OR 
      t.l3_2 = " . $conn->quote($session->sponsorID) . " OR 
      t.l4 = " . $conn->quote($session->sponsorID) . ") AND t.status = '1' 
      ");