-- 006 API调用统计与慢请求日志表
-- 创建日期: 2026-05-29
-- 说明: 用于API调用统计、慢请求记录

USE aiflow;

-- API调用统计表
CREATE TABLE IF NOT EXISTS api_call_stats (
    id VARCHAR(36) PRIMARY KEY,
    endpoint VARCHAR(200) NOT NULL,
    method VARCHAR(10) NOT NULL,
    call_count BIGINT DEFAULT 0,
    total_response_time DOUBLE DEFAULT 0.0,
    error_count BIGINT DEFAULT 0,
    last_called_at DATETIME DEFAULT NULL,
    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    UNIQUE KEY uk_endpoint_method (endpoint, method),
    INDEX idx_acs_endpoint (endpoint),
    INDEX idx_acs_last_called (last_called_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 慢请求记录表
CREATE TABLE IF NOT EXISTS slow_request_logs (
    id VARCHAR(36) PRIMARY KEY,
    request_id VARCHAR(64) DEFAULT NULL,
    method VARCHAR(10) NOT NULL,
    endpoint VARCHAR(500) NOT NULL,
    status_code INT DEFAULT 0,
    response_time DOUBLE DEFAULT 0.0,
    threshold DOUBLE DEFAULT 3.0,
    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    INDEX idx_srl_created (created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;