transformer

functionView source ↗

def transformer(
    input_tables: TableInput | str | List[str],
    output_tables: TableOutput | str | List[str],
    name: str = None,
    trigger_by: str | List[str] | None = '*',
) -> callable

Categories: transformer

Decorator to set the data and destination parameters of a function and convert it to a TabsdataFunction.

Parameters

parameter

input_tablesTableInput | str | List[str]

Where to obtain the data that will be provided as an input to the function.

parameter

output_tablesTableOutput | str | List[str]

Where to store the output of the function.

parameter

namestr, optional

The name with which the function will be registered. If not provided, the current function name will be used.

parameter

trigger_bystr | list[str] | None, optional

The trigger that will cause the function to execute. It can be a table in the system, a list of tables, or None (in which case it must be triggered manually). Defaults to all dependencies.

Returns

callable: The function converted to a TabsdataFunction.