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Version: devel

dlt.destinations.dataset.relation

BaseReadableDBAPIRelation Objects​

class BaseReadableDBAPIRelation(SupportsReadableRelation, WithSqlClient)

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__init__​

def __init__(*,
             readable_dataset: "ReadableDBAPIDataset",
             execute_raw_query: bool = False) -> None

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Create a lazy evaluated relation to for the dataset of a destination

query​

def query() -> str

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Returns an executable sql query string in the correct sql dialect for this relation

cursor​

@contextmanager
def cursor() -> Generator[SupportsReadableRelation, Any, Any]

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Gets a DBApiCursor for the current relation

ReadableDBAPIRelation Objects​

class ReadableDBAPIRelation(BaseReadableDBAPIRelation)

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__init__​

def __init__(*,
             readable_dataset: "ReadableDBAPIDataset",
             provided_query: str = None,
             provided_query_dialect: str = None,
             table_name: str = None,
             limit: int = None,
             selected_columns: Sequence[str] = None,
             execute_raw_query: bool = False) -> None

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Create a lazy evaluated relation to for the dataset of a destination

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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