2026-06-14 16:42:12 +08:00
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-- 用户表
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CREATE TABLE IF NOT EXISTS users (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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username VARCHAR(64) NOT NULL UNIQUE,
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password_hash VARCHAR(255) NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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-- 用户名索引(用于登录查询)
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CREATE INDEX IF NOT EXISTS idx_users_username ON users(username);
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2026-06-23 23:41:49 +08:00
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-- 表和列注释
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COMMENT ON TABLE users IS '用户表,存储系统所有注册用户的基本信息';
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COMMENT ON COLUMN users.id IS '用户唯一标识符 (UUID)';
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COMMENT ON COLUMN users.username IS '用户名,最大 64 字符,全局唯一';
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COMMENT ON COLUMN users.password_hash IS '密码哈希值,使用 bcrypt 算法(cost=10)';
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COMMENT ON COLUMN users.created_at IS '用户注册时间';
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COMMENT ON COLUMN users.updated_at IS '用户信息最后更新时间';
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2026-06-14 16:42:12 +08:00
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-- Refresh Token 表
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CREATE TABLE IF NOT EXISTS refresh_tokens (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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token_hash VARCHAR(64) NOT NULL UNIQUE,
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expires_at TIMESTAMPTZ NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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-- Token hash 索引(用于刷新验证)
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CREATE INDEX IF NOT EXISTS idx_refresh_tokens_token_hash ON refresh_tokens(token_hash);
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-- 用户 ID 索引(用于登出所有设备)
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CREATE INDEX IF NOT EXISTS idx_refresh_tokens_user_id ON refresh_tokens(user_id);
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2026-06-23 23:41:49 +08:00
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-- 表和列注释
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COMMENT ON TABLE refresh_tokens IS 'Refresh Token 表,用于 JWT 双 token 机制的长期身份验证';
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COMMENT ON COLUMN refresh_tokens.id IS 'Token 唯一标识符 (UUID)';
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COMMENT ON COLUMN refresh_tokens.user_id IS '所属用户 ID,外键关联 users 表,用户删除时级联删除';
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COMMENT ON COLUMN refresh_tokens.token_hash IS 'Token 哈希值,使用 SHA-256 算法,十六进制编码 (64 字符)';
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COMMENT ON COLUMN refresh_tokens.expires_at IS 'Token 过期时间,默认有效期 7 天';
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COMMENT ON COLUMN refresh_tokens.created_at IS 'Token 创建时间';
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