# langchain_astradb

> Python package

📖 [View in docs](https://reference.langchain.com/python/langchain-astradb)

## Classes

- [`AstraDBCache`](https://reference.langchain.com/python/langchain-astradb/cache/AstraDBCache)
- [`AstraDBSemanticCache`](https://reference.langchain.com/python/langchain-astradb/cache/AstraDBSemanticCache)
- [`AstraDBChatMessageHistory`](https://reference.langchain.com/python/langchain-astradb/chat_message_histories/AstraDBChatMessageHistory)
- [`AstraDBBaseStore`](https://reference.langchain.com/python/langchain-astradb/storage/AstraDBBaseStore)
- [`AstraDBStore`](https://reference.langchain.com/python/langchain-astradb/storage/AstraDBStore)
- [`AstraDBByteStore`](https://reference.langchain.com/python/langchain-astradb/storage/AstraDBByteStore)
- [`AstraDBLoader`](https://reference.langchain.com/python/langchain-astradb/document_loaders/AstraDBLoader)
- [`AstraDBQueryResult`](https://reference.langchain.com/python/langchain-astradb/vectorstores/AstraDBQueryResult)
- [`HybridLimitFactorPrescription`](https://reference.langchain.com/python/langchain-astradb/vectorstores/HybridLimitFactorPrescription)
- [`AstraDBVectorStoreError`](https://reference.langchain.com/python/langchain-astradb/vectorstores/AstraDBVectorStoreError)
- [`AstraDBVectorStore`](https://reference.langchain.com/python/langchain-astradb/vectorstores/AstraDBVectorStore)
- [`SetupMode`](https://reference.langchain.com/python/langchain-astradb/utils/astradb/SetupMode)
- [`HybridSearchMode`](https://reference.langchain.com/python/langchain-astradb/utils/astradb/HybridSearchMode)
- [`AstraDBError`](https://reference.langchain.com/python/langchain-astradb/utils/astradb/AstraDBError)