unique_union() — langchain Function Reference

Architecture documentation for the unique_union() function in multi_query.py from the langchain codebase.

Function python LangChainCore ApiManagement calls 1 called by 2

Entity Profile

LangChainCore→ ApiManagement→ unique_union() — langchain Function Reference

Dependency Diagram

graph TD
  4b4d59ff_8151_861f_adb3_b94cde534dac["unique_union()"]
  cc26ec3b_70dc_5b02_e974_582867b22f34["MultiQueryRetriever"]
  4b4d59ff_8151_861f_adb3_b94cde534dac -->|defined in| cc26ec3b_70dc_5b02_e974_582867b22f34
  437f73d9_6841_a790_7045_3311a114243f["_aget_relevant_documents()"]
  437f73d9_6841_a790_7045_3311a114243f -->|calls| 4b4d59ff_8151_861f_adb3_b94cde534dac
  381195e9_91cc_fe16_d905_8daed773ffb5["_get_relevant_documents()"]
  381195e9_91cc_fe16_d905_8daed773ffb5 -->|calls| 4b4d59ff_8151_861f_adb3_b94cde534dac
  8f028a9a_e0e5_f890_3686_f67539efcf68["_unique_documents()"]
  4b4d59ff_8151_861f_adb3_b94cde534dac -->|calls| 8f028a9a_e0e5_f890_3686_f67539efcf68
  style 4b4d59ff_8151_861f_adb3_b94cde534dac fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/retrievers/multi_query.py lines 231–240

    def unique_union(self, documents: list[Document]) -> list[Document]:
        """Get unique Documents.

        Args:
            documents: List of retrieved Documents

        Returns:
            List of unique retrieved Documents
        """
        return _unique_documents(documents)