redis缓存替换+pgvector向量替换

init/create_db.sql

@@ -0,0 +1,16 @@
+create database ai_chat default charset utf8mb4;
+use ai_chat;
+
+
+CREATE TABLE `chat_records` (
+ `id` bigint NOT NULL AUTO_INCREMENT,
+ `user_msg` text,
+ `user_msg_tokens` int NOT NULL DEFAULT '0',
+ `user_msg_keywords` varchar(1024) NOT NULL DEFAULT '',
+ `ai_msg` text,
+ `ai_msg_tokens` int NOT NULL DEFAULT '0',
+ `req_tokens` int NOT NULL DEFAULT '0',
+ `create_at` bigint NOT NULL DEFAULT '0',
+ PRIMARY KEY (`id`),
+ KEY `index_create_at` (`create_at` DESC)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci

init/pgvector-init.sql

@@ -0,0 +1,12 @@
+CREATE EXTENSION IF NOT EXISTS vector;
+
+CREATE TABLE IF NOT EXISTS chat_record_vectors (
+  id BIGSERIAL PRIMARY KEY,
+  record_id BIGINT NOT NULL,
+  keywords_text TEXT NOT NULL,
+  embedding vector(1024) NOT NULL,
+  created_at BIGINT NOT NULL
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS uq_chat_record_vectors_record_id
+  ON chat_record_vectors(record_id);