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Xata

Xata is a serverless data platform, based on PostgreSQL. It provides a Python SDK for interacting with your database, and a UI for managing your data. Xata has a native vector type, which can be added to any table, and supports similarity search. LangChain inserts vectors directly to Xata, and queries it for the nearest neighbors of a given vector, so that you can use all the LangChain Embeddings integrations with Xata.

安装与设置​

我们需要安装 xata 个 Python 包。

pip install xata==1.0.0a7

向量存储​

查看一个 使用示例。

from langchain_community.vectorstores import XataVectorStore

存储​

查看一个 使用示例。

from langchain_community.chat_message_histories import XataChatMessageHistory