langchain.retrievers.self_query.deeplake.DeepLakeTranslator¶

class langchain.retrievers.self_query.deeplake.DeepLakeTranslator[source]¶

Bases: Visitor

Logic for converting internal query language elements to valid filters.

Methods

__init__()

visit_comparison(comparison)

Translate a Comparison.

visit_operation(operation)

Translate an Operation.

visit_structured_query(structured_query)

Translate a StructuredQuery.

Attributes

allowed_comparators

Subset of allowed logical comparators.

allowed_operators

Subset of allowed logical operators.
visit_comparison(comparison: Comparison) → str[source]¶

Translate a Comparison.

visit_operation(operation: Operation) → str[source]¶

Translate an Operation.

visit_structured_query(structured_query: StructuredQuery) → Tuple[str, dict][source]¶

Translate a StructuredQuery.

allowed_comparators: Optional[Sequence[Comparator]] = [<Comparator.EQ: 'eq'>, <Comparator.GT: 'gt'>, <Comparator.GTE: 'gte'>, <Comparator.LT: 'lt'>, <Comparator.LTE: 'lte'>]¶

Subset of allowed logical comparators.

allowed_operators: Optional[Sequence[Operator]] = [<Operator.AND: 'and'>, <Operator.OR: 'or'>]¶

Subset of allowed logical operators.