alboped
32303d099a
补齐客户端会话生命周期接口（创建、列表、消息分页、改名、删除），并在流式 chat 中强制绑定 sessionId 与落库消息，确保会话标题和历史可追踪，同时统一 Swagger 文档为 DTO 驱动以减少重复维护。 Made-with: Cursor
36 lines
1.2 KiB
SQL
36 lines
1.2 KiB
SQL
-- CreateTable
|
|
CREATE TABLE "chat_sessions" (
|
|
"id" BIGSERIAL NOT NULL,
|
|
"user_id" BIGINT NOT NULL,
|
|
"title" VARCHAR(200),
|
|
"created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
|
|
"updated_at" TIMESTAMP(3) NOT NULL,
|
|
|
|
CONSTRAINT "chat_sessions_pkey" PRIMARY KEY ("id")
|
|
);
|
|
|
|
-- CreateTable
|
|
CREATE TABLE "chat_messages" (
|
|
"id" BIGSERIAL NOT NULL,
|
|
"session_id" BIGINT NOT NULL,
|
|
"role" VARCHAR(20) NOT NULL,
|
|
"content" TEXT NOT NULL,
|
|
"token_count" INTEGER NOT NULL DEFAULT 0,
|
|
"provider" VARCHAR(64),
|
|
"created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
|
|
|
|
CONSTRAINT "chat_messages_pkey" PRIMARY KEY ("id")
|
|
);
|
|
|
|
-- CreateIndex
|
|
CREATE INDEX "chat_sessions_user_id_idx" ON "chat_sessions"("user_id");
|
|
|
|
-- CreateIndex
|
|
CREATE INDEX "chat_messages_session_id_idx" ON "chat_messages"("session_id");
|
|
|
|
-- AddForeignKey
|
|
ALTER TABLE "chat_sessions" ADD CONSTRAINT "chat_sessions_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
|
|
|
|
-- AddForeignKey
|
|
ALTER TABLE "chat_messages" ADD CONSTRAINT "chat_messages_session_id_fkey" FOREIGN KEY ("session_id") REFERENCES "chat_sessions"("id") ON DELETE CASCADE ON UPDATE CASCADE;
|