Zilliz
Zilliz Cloud 是雲端上完全託管的
LF AI Milvus®服務，
此筆記本示範如何使用與 Zilliz Cloud 託管向量資料庫相關的功能。
您需要安裝 langchain-community，使用 pip install -qU langchain-community 即可使用此整合功能
若要執行，您應該要有正在運作的 Zilliz Cloud 執行個體。以下是安裝指示
%pip install --upgrade --quiet pymilvus
我們想要使用 OpenAIEmbeddings，因此我們必須取得 OpenAI API 金鑰。
import getpass
import os
if "OPENAI_API_KEY" not in os.environ:
os.environ["OPENAI_API_KEY"] = getpass.getpass("OpenAI API Key:")
OpenAI API Key:········
# replace
ZILLIZ_CLOUD_URI = "" # example: "https://in01-17f69c292d4a5sa.aws-us-west-2.vectordb.zillizcloud.com:19536"
ZILLIZ_CLOUD_USERNAME = "" # example: "username"
ZILLIZ_CLOUD_PASSWORD = "" # example: "*********"
ZILLIZ_CLOUD_API_KEY = "" # example: "*********" (for serverless clusters which can be used as replacements for user and password)
from langchain_community.document_loaders import TextLoader
from langchain_community.vectorstores import Milvus
from langchain_openai import OpenAIEmbeddings
from langchain_text_splitters import CharacterTextSplitter
from langchain_community.document_loaders import TextLoader
loader = TextLoader("../../how_to/state_of_the_union.txt")
documents = loader.load()
text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0)
docs = text_splitter.split_documents(documents)
embeddings = OpenAIEmbeddings()
API 參考：TextLoader
vector_db = Milvus.from_documents(
docs,
embeddings,
connection_args={
"uri": ZILLIZ_CLOUD_URI,
"user": ZILLIZ_CLOUD_USERNAME,
"password": ZILLIZ_CLOUD_PASSWORD,
# "token": ZILLIZ_CLOUD_API_KEY, # API key, for serverless clusters which can be used as replacements for user and password
"secure": True,
},
)
query = "What did the president say about Ketanji Brown Jackson"
docs = vector_db.similarity_search(query)
docs[0].page_content
'Tonight. I call on the Senate to: Pass the Freedom to Vote Act. Pass the John Lewis Voting Rights Act. And while you’re at it, pass the Disclose Act so Americans can know who is funding our elections. \n\nTonight, I’d like to honor someone who has dedicated his life to serve this country: Justice Stephen Breyer—an Army veteran, Constitutional scholar, and retiring Justice of the United States Supreme Court. Justice Breyer, thank you for your service. \n\nOne of the most serious constitutional responsibilities a President has is nominating someone to serve on the United States Supreme Court. \n\nAnd I did that 4 days ago, when I nominated Circuit Court of Appeals Judge Ketanji Brown Jackson. One of our nation’s top legal minds, who will continue Justice Breyer’s legacy of excellence.'