初始提交：文字匹配图片项目

db/split_tables/ai_statistics.sql

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+-- SQL table definition
+-- Generated from splitting a larger SQL file
+-- Table: ai_statistics
+--
+
+CREATE TABLE `ai_statistics` (
+  `id` bigint NOT NULL AUTO_INCREMENT COMMENT 'Auto-increment ID',
+  `author_id` int NOT NULL DEFAULT '0' COMMENT '作者ID',
+  `author_name` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '作者名称',
+  `channel` tinyint(1) NOT NULL DEFAULT '1' COMMENT '1=baidu|2=toutiao|3=weixin',
+  `date` date NOT NULL COMMENT 'Date of statistics',
+  `submission_count` int DEFAULT '0' COMMENT 'Number of submissions (投稿量)',
+  `read_count` int DEFAULT '0' COMMENT 'Number of reads (阅读量)',
+  `comment_count` int DEFAULT '0' COMMENT 'Number of comments (评论量)',
+  `comment_rate` decimal(5,4) DEFAULT '0.0000' COMMENT 'Comment rate (评论率)',
+  `like_count` int DEFAULT '0' COMMENT 'Number of likes (点赞量)',
+  `like_rate` decimal(5,4) DEFAULT '0.0000' COMMENT 'Like rate (点赞率)',
+  `favorite_count` int DEFAULT '0' COMMENT 'Number of favorites (收藏量)',
+  `favorite_rate` decimal(5,4) DEFAULT '0.0000' COMMENT 'Favorite rate (收藏率)',
+  `share_count` int DEFAULT '0' COMMENT 'Number of shares (分享量)',
+  `share_rate` decimal(5,4) DEFAULT '0.0000' COMMENT 'Share rate (分享率)',
+  `slide_ratio` decimal(5,4) DEFAULT '0.0000' COMMENT 'Slide view ratio (滑图占比)',
+  `baidu_search_volume` int DEFAULT '0' COMMENT 'Baidu search volume (百度搜索量)',
+  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP COMMENT 'Creation timestamp',
+  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'Update timestamp',
+  PRIMARY KEY (`id`) USING BTREE,
+  UNIQUE KEY `unique_date` (`date`,`author_id`) USING BTREE,
+  KEY `idx_date` (`date`) USING BTREE,
+  KEY `idx_author_id` (`author_id`)
+) ENGINE=InnoDB AUTO_INCREMENT=40720 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=DYNAMIC COMMENT='AI Content Statistics';