From 925283d8e61f3e4646c670130c2956242f737589 Mon Sep 17 00:00:00 2001 From: hailin Date: Fri, 23 Jan 2026 05:28:59 -0800 Subject: [PATCH] fix(schema): support anonymous users in conversations and user_memories - Remove foreign key constraint from conversations.user_id - Remove foreign key constraint from user_memories.user_id - Add FACT and INTENT to user_memories.memory_type enum - Both tables now support anonymous users (UUID without registration) Co-Authored-By: Claude Opus 4.5 --- scripts/init-db.sql | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/scripts/init-db.sql b/scripts/init-db.sql index 8c13346..682f315 100644 --- a/scripts/init-db.sql +++ b/scripts/init-db.sql @@ -60,8 +60,9 @@ CREATE INDEX idx_users_created_at ON users(created_at); -- =========================================== CREATE TABLE conversations ( id UUID PRIMARY KEY DEFAULT uuid_generate_v4(), - -- 所属用户ID - user_id UUID REFERENCES users(id) ON DELETE CASCADE, + -- 所属用户ID（可为空，支持匿名用户；如果关联注册用户则有外键） + -- 注意：不使用外键约束，允许匿名访客使用（user_id为随机UUID或null） + user_id UUID, -- 对话状态: ACTIVE(进行中), ENDED(已结束), ARCHIVED(已归档) status VARCHAR(20) NOT NULL DEFAULT 'ACTIVE' CHECK (status IN ('ACTIVE', 'ENDED', 'ARCHIVED')), @@ -1284,8 +1285,8 @@ CREATE INDEX idx_knowledge_chunks_embedding ON knowledge_chunks USING ivfflat (e -- =========================================== CREATE TABLE user_memories ( id UUID PRIMARY KEY DEFAULT uuid_generate_v4(), - -- 用户ID - user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE, + -- 用户ID（支持匿名用户，不使用外键约束） + user_id UUID NOT NULL, -- 记忆类型 memory_type VARCHAR(30) NOT NULL CHECK (memory_type IN ( @@ -1299,7 +1300,9 @@ CREATE TABLE user_memories ( 'QUESTION_ASKED', -- 问过的问题 'CONCERN', -- 关注点 'PREFERENCE', -- 偏好设置 - 'CUSTOM' -- 自定义 + 'CUSTOM', -- 自定义 + 'FACT', -- 用户陈述的事实 + 'INTENT' -- 用户意图 )), -- 记忆内容 content TEXT NOT NULL,