feat(数据库): 修改VIP客户表索引为手机号和车牌号组合唯一

移除phone字段的唯一约束，添加phone和car_number的复合唯一索引更新相关SQL脚本和PHP代码以支持新的索引规则
2025-11-20 10:55:59 +08:00
parent 43a43929cc
commit f173149e28
5 changed files with 91 additions and 10 deletions
@@ -0,0 +1,59 @@
+<?php
+// 更新VIP客户表结构的PHP脚本
+require 'db_connect.php';
+
+try {
+    echo "开始更新VIP客户表结构...<br>";
+    
+    // 1. 移除phone字段的UNIQUE约束
+    echo "正在移除phone字段的UNIQUE约束...<br>";
+    $stmt = $pdo->prepare("ALTER TABLE vip_customers DROP INDEX phone");
+    $stmt->execute();
+    echo "✓ phone字段UNIQUE约束已移除<br>";
+    
+    // 2. 添加phone和car_number的复合唯一索引
+    echo "正在添加phone+car_number的复合唯一索引...<br>";
+    $stmt = $pdo->prepare("ALTER TABLE vip_customers ADD UNIQUE INDEX idx_phone_car_number (phone, car_number)");
+    $stmt->execute();
+    echo "✓ 复合唯一索引已添加<br>";
+    
+    // 3. 验证索引
+    echo "正在验证索引...<br>";
+    $stmt = $pdo->prepare("SHOW INDEX FROM vip_customers");
+    $stmt->execute();
+    $indexes = $stmt->fetchAll(PDO::FETCH_ASSOC);
+    
+    echo "<br>✓ 索引列表:<br>";
+    echo "<table border='1' cellpadding='5' cellspacing='0'>";
+    echo "<tr><th>Table</th><th>Non_unique</th><th>Key_name</th><th>Column_name</th></tr>";
+    foreach ($indexes as $index) {
+        echo "<tr>";
+        echo "<td>{$index['Table']}</td>";
+        echo "<td>{$index['Non_unique']}</td>";
+        echo "<td>{$index['Key_name']}</td>";
+        echo "<td>{$index['Column_name']}</td>";
+        echo "</tr>";
+    }
+    echo "</table>";
+    
+    echo "<br>✅ 数据库结构更新成功！";
+    
+} catch (PDOException $e) {
+    echo "<br><span style='color:red'>❌ 错误: " . $e->getMessage() . "</span><br>";
+    
+    // 检查是否是因为索引不存在导致的错误
+    if (strpos($e->getMessage(), "doesn't exist") !== false) {
+        echo "可能是因为索引已经不存在，尝试直接添加复合索引...<br>";
+        try {
+            $stmt = $pdo->prepare("ALTER TABLE vip_customers ADD UNIQUE INDEX idx_phone_car_number (phone, car_number)");
+            $stmt->execute();
+            echo "✓ 复合唯一索引已添加<br>";
+        } catch (PDOException $e2) {
+            echo "<br><span style='color:red'>❌ 添加索引失败: " . $e2->getMessage() . "</span><br>";
+        }
+    }
+} finally {
+    // 关闭连接
+    $pdo = null;
+}
+?>