langchain.chains.query_constructor.ir.Visitor

class langchain.chains.query_constructor.ir.Visitor

Bases: ABC

Defines interface for IR translation using visitor pattern.

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
allowed_operators

abstract visit_comparison(comparison: Comparison) → Any

Translate a Comparison.

abstract visit_operation(operation: Operation) → Any

Translate an Operation.

abstract visit_structured_query(structured_query: StructuredQuery) → Any

Translate a StructuredQuery.

allowed_comparators: Optional[Sequence[langchain.chains.query_constructor.ir.Comparator]] = None

allowed_operators: Optional[Sequence[langchain.chains.query_constructor.ir.Operator]] = None