Async AzureSearch

[alibek-wand]

Is there async azure search option? or is it planned for the future?
for some number of questions/queries AzureSearch.similarity_search (vector, hybrid, semantic_hybrid) takes long time

[dosubot[bot]]

🤖

Hello,

Based on the current LangChain codebase, there is no asynchronous option for AzureSearch. The AzureSearchVectorStoreRetriever class, which interacts with AzureSearch, does not support asynchronous operations. The method _aget_relevant_documents, which would be the asynchronous counterpart to _get_relevant_documents, raises a NotImplementedError with the message "AzureSearchVectorStoreRetriever does not support async".

Here is the relevant code snippet:

async def _aget_relevant_documents(
    self,
    query: str,
    *,
    run_manager: AsyncCallbackManagerForRetrieverRun,
) -> List[Document]:
    raise NotImplementedError(
        "AzureSearchVectorStoreRetriever does not support async"
    )

This suggests that there is currently no asynchronous option for AzureSearch in LangChain. Unfortunately, I don't have any information about future plans to implement this feature.

In addition, I wasn't able to find any open issues or feature requests in the LangChain repository related to implementing asynchronous operations for AzureSearch.

I hope this answers your question. If you have any further queries, feel free to ask.

Best regards,
Dosu

Sources

• libs/langchain/langchain/vectorstores/azuresearch.py

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