MyScaleTranslator#

class langchain_community.query_constructors.myscale.MyScaleTranslator(metadata_key: str = 'metadata')[source]#

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[source]#
Parameters:

metadata_key (str)

Return type:

None

visit_comparison(comparison: Comparison) → Dict[source]#

Translate a Comparison.

Parameters:

comparison (Comparison) – Comparison to translate.

Return type:

Dict

visit_operation(operation: Operation) → Dict[source]#

Translate an Operation.

Parameters:

operation (Operation) – Operation to translate.

Return type:

Dict

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

Translate a StructuredQuery.

Parameters:

structured_query (StructuredQuery) – StructuredQuery to translate.

Return type:

Tuple[str, dict]