Comparison Class — langchain Architecture

Architecture documentation for the Comparison class in structured_query.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  7fc2d26d_a784_bbfc_8102_85f9362176d2["Comparison"]
  66dc61b8_a5e5_91c3_400b_bf5fe08394f1["FilterDirective"]
  7fc2d26d_a784_bbfc_8102_85f9362176d2 -->|extends| 66dc61b8_a5e5_91c3_400b_bf5fe08394f1
  2910db70_4057_4517_fbc4_a618465c787c["structured_query.py"]
  7fc2d26d_a784_bbfc_8102_85f9362176d2 -->|defined in| 2910db70_4057_4517_fbc4_a618465c787c
  f3e5c43e_8109_6fc2_7114_06668d1b5f10["__init__()"]
  7fc2d26d_a784_bbfc_8102_85f9362176d2 -->|method| f3e5c43e_8109_6fc2_7114_06668d1b5f10

Relationship Graph

Source Code

libs/core/langchain_core/structured_query.py lines 126–151

class Comparison(FilterDirective):
    """Comparison to a value."""

    comparator: Comparator
    """The comparator to use."""

    attribute: str
    """The attribute to compare."""

    value: Any
    """The value to compare to."""

    def __init__(
        self, comparator: Comparator, attribute: str, value: Any, **kwargs: Any
    ) -> None:
        """Create a Comparison.

        Args:
            comparator: The comparator to use.
            attribute: The attribute to compare.
            value: The value to compare to.
        """
        # super exists from BaseModel
        super().__init__(
            comparator=comparator, attribute=attribute, value=value, **kwargs
        )