SQLAlchemy 数据层

CREATE TABLE users (
    "id" UUID PRIMARY KEY,
    "identifier" TEXT NOT NULL UNIQUE,
    "metadata" JSONB NOT NULL,
    "createdAt" TEXT
);

CREATE TABLE IF NOT EXISTS threads (
    "id" UUID PRIMARY KEY,
    "createdAt" TEXT,
    "name" TEXT,
    "userId" UUID,
    "userIdentifier" TEXT,
    "tags" TEXT[],
    "metadata" JSONB,
    FOREIGN KEY ("userId") REFERENCES users("id") ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS steps (
    "id" UUID PRIMARY KEY,
    "name" TEXT NOT NULL,
    "type" TEXT NOT NULL,
    "threadId" UUID NOT NULL,
    "parentId" UUID,
    "streaming" BOOLEAN NOT NULL,
    "waitForAnswer" BOOLEAN,
    "isError" BOOLEAN,
    "metadata" JSONB,
    "tags" TEXT[],
    "input" TEXT,
    "output" TEXT,
    "createdAt" TEXT,
    "command" TEXT,
    "start" TEXT,
    "end" TEXT,
    "generation" JSONB,
    "showInput" TEXT,
    "language" TEXT,
    "indent" INT,
    FOREIGN KEY ("threadId") REFERENCES threads("id") ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS elements (
    "id" UUID PRIMARY KEY,
    "threadId" UUID,
    "type" TEXT,
    "url" TEXT,
    "chainlitKey" TEXT,
    "name" TEXT NOT NULL,
    "display" TEXT,
    "objectKey" TEXT,
    "size" TEXT,
    "page" INT,
    "language" TEXT,
    "forId" UUID,
    "mime" TEXT,
    "props" JSONB,
    FOREIGN KEY ("threadId") REFERENCES threads("id") ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS feedbacks (
    "id" UUID PRIMARY KEY,
    "forId" UUID NOT NULL,
    "threadId" UUID NOT NULL,
    "value" INT NOT NULL,
    "comment" TEXT,
    FOREIGN KEY ("threadId") REFERENCES threads("id") ON DELETE CASCADE
);

pip install asyncpg SQLAlchemy azure-identity azure-storage-file-datalake aiohttp greenlet

import chainlit as cl
from chainlit.data.sql_alchemy import SQLAlchemyDataLayer
from chainlit.data.storage_clients.azure import AzureStorageClient

storage_client = AzureStorageClient(account_url="<your_account_url>", container="<your_container>")

@cl.data_layer
def get_data_layer():
    return SQLAlchemyDataLayer(conninfo="<your conninfo>", storage_provider=storage_client)