MyScaleTranslator

class langchain_community.query_constructors.myscale.MyScaleTranslator(metadata_key: str = 'metadata')

Translate MyScale internal query language elements to valid filters.

Attributes

allowed_comparators	Allowed comparators for the visitor.
allowed_operators	Subset of allowed logical operators.
map_dict

Methods

__init__([metadata_key])
visit_comparison(comparison)	Translate a Comparison.
visit_operation(operation)	Translate an Operation.
visit_structured_query(structured_query)	Translate a StructuredQuery.

Parameters:

metadata_key (str) –

__init__(metadata_key: str = 'metadata') → None

Parameters:

metadata_key (str) –

Return type:

None

visit_comparison(comparison: Comparison) → Dict

Translate a Comparison.

Parameters:

comparison (Comparison) – Comparison to translate.

Return type:

Dict

visit_operation(operation: Operation) → Dict

Translate an Operation.

Parameters:

operation (Operation) – Operation to translate.

Return type:

Dict

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

Translate a StructuredQuery.

Parameters:

structured_query (StructuredQuery) – StructuredQuery to translate.

Return type:

Tuple[str, dict]