37 lines
1.3 KiB
PHP
37 lines
1.3 KiB
PHP
<?php
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/**
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* 迁移脚本：为支持 Dify 接口新增所需字段（已存在则跳过）
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* 用法: php database/migrate_add_dify_support.php
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*/
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$host = '127.0.0.1';
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$user = 'root';
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$pass = 'root';
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$port = 3306;
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$dbName = 'ai_chat';
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try {
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$pdo = new PDO("mysql:host={$host};port={$port};dbname={$dbName};charset=utf8mb4", $user, $pass, [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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]);
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$changes = [
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['table' => 'ai_models', 'column' => 'provider', 'sql' => "ALTER TABLE ai_models ADD COLUMN provider VARCHAR(20) NOT NULL DEFAULT 'openai' COMMENT '接口类型：openai/dify' AFTER name"],
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['table' => 'conversations', 'column' => 'external_conversation_id', 'sql' => "ALTER TABLE conversations ADD COLUMN external_conversation_id VARCHAR(64) NULL COMMENT '第三方平台会话ID' AFTER message_count"],
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];
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foreach ($changes as $change) {
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$exists = $pdo->query("SHOW COLUMNS FROM {$change['table']} LIKE '{$change['column']}'")->fetch();
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if ($exists) {
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echo "{$change['table']}.{$change['column']} 已存在，跳过。\n";
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continue;
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}
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$pdo->exec($change['sql']);
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echo "已为 {$change['table']} 添加 {$change['column']} 字段。\n";
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}
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} catch (PDOException $e) {
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echo "Error: " . $e->getMessage() . "\n";
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exit(1);
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}
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