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Version: 1.3.0 (latest)

destinations.impl.lancedb.schema

Utilities for creating arrow schemas from table schemas.

NULL_SCHEMA​

Empty pyarrow Schema with no fields.

make_arrow_field_schema​

def make_arrow_field_schema(column_name: str, column: TColumnSchema,
                            type_mapper: DataTypeMapper) -> TArrowField

[view_source]

Creates a PyArrow field from a dlt column schema.

make_arrow_table_schema​

def make_arrow_table_schema(
        table_name: str,
        schema: Schema,
        type_mapper: DataTypeMapper,
        id_field_name: Optional[str] = None,
        vector_field_name: Optional[str] = None,
        embedding_fields: Optional[List[str]] = None,
        embedding_model_func: Optional[TextEmbeddingFunction] = None,
        embedding_model_dimensions: Optional[int] = None) -> TArrowSchema

[view_source]

Creates a PyArrow schema from a dlt schema.

This demo works on codespaces. Codespaces is a development environment available for free to anyone with a Github account. You'll be asked to fork the demo repository and from there the README guides you with further steps.
The demo uses the Continue VSCode extension.

Off to codespaces!

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