AI助手

2026-05-23 23:33:27 +08:00
parent 8b23d02531
commit 8b638f29c6
27 changed files with 2749 additions and 1 deletions
@@ -0,0 +1,24 @@
+-- V5__ai_chat_tables.sql
+-- AI 助手：会话与消息持久化
+
+CREATE TABLE ai_chat_session (
+    id               BIGINT       NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    user_id          BIGINT       NOT NULL,
+    title            VARCHAR(64)  NOT NULL DEFAULT '',
+    round_count      TINYINT      NOT NULL DEFAULT 0,
+    last_message_at  DATETIME     NULL,
+    created_at       DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at       DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    deleted          TINYINT      NOT NULL DEFAULT 0,
+    INDEX idx_user_last (user_id, last_message_at DESC)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE ai_chat_message (
+    id          BIGINT       NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    session_id  BIGINT       NOT NULL,
+    role        VARCHAR(16)  NOT NULL,
+    content     TEXT         NOT NULL,
+    sort_order  INT          NOT NULL,
+    created_at  DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    INDEX idx_session_order (session_id, sort_order)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;