langchain.retrievers.self_query.tencentvectordb.TencentVectorDBTranslator¶
- class langchain.retrievers.self_query.tencentvectordb.TencentVectorDBTranslator(meta_keys: Optional[Sequence[str]] = None)[source]¶
Translate StructuredQuery to Tencent VectorDB query.
Initialize the translator.
- Parameters
meta_keys (Optional[Sequence[str]]) – List of meta keys to be used in the query. Default: [].
Attributes
COMPARATOR_MAPallowed_comparatorsallowed_operatorsMethods
__init__([meta_keys])Initialize the translator.
visit_comparison(comparison)Visit a comparison node and return the translated query.
visit_operation(operation)Visit an operation node and return the translated query.
visit_structured_query(structured_query)Visit a structured query node and return the translated query.
- __init__(meta_keys: Optional[Sequence[str]] = None)[source]¶
Initialize the translator.
- Parameters
meta_keys (Optional[Sequence[str]]) – List of meta keys to be used in the query. Default: [].
- visit_comparison(comparison: Comparison) str[source]¶
Visit a comparison node and return the translated query.
- Parameters
comparison (Comparison) – Comparison node to be visited.
- Returns
Translated query.
- Return type
str
- visit_operation(operation: Operation) str[source]¶
Visit an operation node and return the translated query.
- Parameters
operation (Operation) – Operation node to be visited.
- Returns
Translated query.
- Return type
str
- visit_structured_query(structured_query: StructuredQuery) Tuple[str, dict][source]¶
Visit a structured query node and return the translated query.
- Parameters
structured_query (StructuredQuery) – StructuredQuery node to be visited.
- Returns
Translated query and query kwargs.
- Return type
Tuple[str, dict]