-- 检查角色表中的数据
SELECT 
    COUNT(*) as total_roles,
    MIN(id) as min_id,
    MAX(id) as max_id
FROM roles;

-- 查看所有角色数据
SELECT 
    id,
    name,
    code,
    description,
    created_at,
    updated_at
FROM roles
ORDER BY id ASC
LIMIT 20;

-- 检查是否有足够的角色数据来测试分页
SELECT 
    CASE 
        WHEN COUNT(*) > 10 THEN '有足够数据测试分页'
        WHEN COUNT(*) > 0 THEN '数据不足，需要添加更多角色'
        ELSE '没有角色数据'
    END as data_status,
    COUNT(*) as role_count
FROM roles;