aexists() — langchain Function Reference

Architecture documentation for the aexists() function in base.py from the langchain codebase.

Function python DataProcessing VectorStores calls 1 called by 1

Entity Profile

DataProcessing→ VectorStores→ aexists() — langchain Function Reference

Dependency Diagram

graph TD
  db4123aa_731f_b501_30ce_fc28190f8ec1["aexists()"]
  cc7bb185_d3e3_eb58_9979_a81c90c9cc33["RecordManager"]
  db4123aa_731f_b501_30ce_fc28190f8ec1 -->|defined in| cc7bb185_d3e3_eb58_9979_a81c90c9cc33
  e4a39f9d_8fc8_af42_118e_820519d42cd4["aexists()"]
  e4a39f9d_8fc8_af42_118e_820519d42cd4 -->|calls| db4123aa_731f_b501_30ce_fc28190f8ec1
  e4a39f9d_8fc8_af42_118e_820519d42cd4["aexists()"]
  db4123aa_731f_b501_30ce_fc28190f8ec1 -->|calls| e4a39f9d_8fc8_af42_118e_820519d42cd4
  style db4123aa_731f_b501_30ce_fc28190f8ec1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/indexing/base.py lines 166–174

    async def aexists(self, keys: Sequence[str]) -> list[bool]:
        """Asynchronously 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.
        """