/*
 Navicat Premium Dump SQL

 Source Server         : mixue
 Source Server Type    : MySQL
 Source Server Version : 90001 (9.0.1)
 Source Host           : localhost:3306
 Source Schema         : ai_article

 Target Server Type    : MySQL
 Target Server Version : 90001 (9.0.1)
 File Encoding         : 65001

 Date: 25/12/2025 14:30:00
*/

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for ai_statistics_monthly
-- ----------------------------
DROP TABLE IF EXISTS `ai_statistics_monthly`;
CREATE TABLE `ai_statistics_monthly`  (
  `id` bigint NOT NULL AUTO_INCREMENT COMMENT '自增主键',
  `author_id` int NOT NULL DEFAULT 0 COMMENT '作者ID',
  `author_name` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '作者名称',
  `channel` tinyint(1) NOT NULL DEFAULT 1 COMMENT '1=baidu|2=toutiao|3=weixin',
  `stat_monthly` varchar(7) NOT NULL COMMENT '统计月份（格式：YYYY-MM，如2025-12表示2025年12月）',
  `monthly_revenue` decimal(18, 2) NULL DEFAULT 0.00 COMMENT '当月收益（stat_monthly所在自然月的总收益）',
  `revenue_mom_growth_rate` decimal(10, 6) NULL DEFAULT 0.000000 COMMENT '收益月环比增长率（(本月收益 - 上月收益) / NULLIF(上月收益, 0)）',
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE INDEX `uk_author_stat_date`(`author_id` ASC, `stat_monthly` ASC) USING BTREE,
  INDEX `idx_stat_date`(`stat_monthly` ASC) USING BTREE,
  INDEX `idx_author_id`(`author_id` ASC) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT = 'AI内容每月核心指标汇总表（月粒度数据）' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of ai_statistics_monthly
-- ----------------------------
-- 数据由导入脚本从CSV文件自动导入

SET FOREIGN_KEY_CHECKS = 1;
