TaskLink

class sdm.relational.TaskLink(task_columns: tuple[str, ...], table: str, table_columns: tuple[str, ...])

Bases: object

Link between task rows to a table in relational data.

Parameters:

• task_columns (tuple[str, ...]) – Column names in the task table.

• table (str) – Name of the table referenced by task rows.

• table_columns (tuple[str, ...]) – Column names in table.

classmethod from_mapping(mapping: Mapping[str, str | Sequence[str]]) → Self

Create a TaskLink from a mapping.

Parameters:

mapping (Mapping[str, str | Sequence[str]]) – The mapping with "task_columns", "table", and "table_columns" entries.

Return type:

Self