Method create_id_from

python/pathway/tests/utils.py:196–205

(
        pk_table: pw.Table,
        pk_columns: dict[str, api.Value],
        instance: api.Value | None = None,
    )

    @staticmethod
    def create_id_from(
        pk_table: pw.Table,
        pk_columns: dict[str, api.Value],
        instance: api.Value | None = None,
    ) -> api.Pointer:
        values = list(pk_columns.values())
        if instance is None:
            return api.ref_scalar(*values)
        else:
            return api.ref_scalar_with_instance(*values, instance=instance)


# This class is an abstract subclass of OnChangeCallback, which takes a list of entries