<?php

use think\migration\Migrator;

class SystemMcpKeyNode extends Migrator
{
    /**
     * MCP密钥与节点关系表.
     *
     * 纯关系表：无任何时间戳字段。
     */
    public function change()
    {
        $table = $this->table('system_mcp_key_node')
            ->setComment('MCP密钥与节点关系表')
            ->addColumn('key_id', 'biginteger', ['limit' => 11, 'null' => true, 'signed' => false, 'comment' => '密钥ID'])
            ->addColumn('node', 'char', ['limit' => 100, 'null' => true, 'default' => '', 'comment' => ''])
            ->addIndex(['key_id'], ['name' => 'key_id'])
            ->create();
    }
}