-- Running upgrade 6165691326d4 -> a45a8087831b

CREATE TABLE operation_logs (
    id BIGINT UNSIGNED NOT NULL COMMENT '主键ID' AUTO_INCREMENT, 
    user_id BIGINT UNSIGNED COMMENT '操作人ID（账号删除后置空）', 
    username VARCHAR(64) NOT NULL COMMENT '操作人用户名（冗余存储便于追溯）', 
    module VARCHAR(64) NOT NULL COMMENT '所属模块，如 用户管理', 
    action VARCHAR(32) NOT NULL COMMENT '操作类型：新增/修改/删除/导出', 
    summary VARCHAR(255) NOT NULL COMMENT '操作摘要（中文，供人阅读）', 
    method VARCHAR(8) COMMENT 'HTTP 方法', 
    path VARCHAR(255) COMMENT '请求路径', 
    ip VARCHAR(45) COMMENT '客户端IP（45位兼容IPv6）', 
    user_agent VARCHAR(255) COMMENT '客户端User-Agent（截断存储）', 
    request_data TEXT COMMENT '请求参数（已脱敏）', 
    success TINYINT NOT NULL COMMENT '是否成功：1成功 0失败' DEFAULT '0', 
    error_message VARCHAR(500) COMMENT '失败原因（写入方须截断）', 
    duration_ms INTEGER COMMENT '处理耗时（毫秒）', 
    create_time DATETIME NOT NULL COMMENT '创建时间' DEFAULT CURRENT_TIMESTAMP, 
    CONSTRAINT pk_operation_logs PRIMARY KEY (id), 
    CONSTRAINT fk_operation_logs_user_id FOREIGN KEY(user_id) REFERENCES users (id) ON DELETE SET NULL
)CHARSET=utf8mb4 ENGINE=InnoDB COMMENT='操作日志表' COLLATE utf8mb4_general_ci;

CREATE INDEX idx_operation_logs_create_time ON operation_logs (create_time);

CREATE INDEX idx_operation_logs_module ON operation_logs (module);

CREATE INDEX idx_operation_logs_user_id ON operation_logs (user_id);

CREATE INDEX idx_operation_logs_username ON operation_logs (username);

UPDATE alembic_version SET version_num='a45a8087831b' WHERE alembic_version.version_num = '6165691326d4';