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langchain/libs/community/langchain_community
Fakai Zhao f07338d2bf Implementing the MMR algorithm for OLAP vector storage (#30033)
Thank you for contributing to LangChain!

-  **Implementing the MMR algorithm for OLAP vector storage**: 
  - Support Apache Doris and StarRocks OLAP database.
- Example: "vectorstore.as_retriever(search_type="mmr",
search_kwargs={"k": 10})"


- **Implementing the MMR algorithm for OLAP vector storage**: 
    - **Apache Doris
    - **StarRocks
    - **Dependencies:** any dependencies required for this change
- **Twitter handle:** if your PR gets announced, and you'd like a
mention, we'll gladly shout you out!


- **Add tests and docs**: 
- Example: "vectorstore.as_retriever(search_type="mmr",
search_kwargs={"k": 10})"


- [ ] **Lint and test**: Run `make format`, `make lint` and `make test`
from the root of the package(s) you've modified. See contribution
guidelines for more: https://python.langchain.com/docs/contributing/

Additional guidelines:
- Make sure optional dependencies are imported within a function.
- Please do not add dependencies to pyproject.toml files (even optional
ones) unless they are required for unit tests.
- Most PRs should not touch more than one package.
- Changes should be backwards compatible.
- If you are adding something to community, do not re-import it in
langchain.

If no one reviews your PR within a few days, please @-mention one of
baskaryan, efriis, eyurtsev, ccurme, vbarda, hwchase17.

---------

Co-authored-by: fakzhao <fakzhao@cisco.com>
2025-02-28 08:50:22 -05:00
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