Method exists

libs/core/langchain_core/indexing/base.py:141–149

Check if the provided keys exist in the database. Args: keys: A list of keys to check. Returns: A list of boolean values indicating the existence of each key.

(self, keys: Sequence[str])

    @abstractmethod
    def exists(self, keys: Sequence[str]) -> List[bool]:
        """Check if the provided keys exist in the database.

        Args:
            keys: A list of keys to check.

        Returns:
            A list of boolean values indicating the existence of each key.
        """

    @abstractmethod
    async def aexists(self, keys: Sequence[str]) -> List[bool]: