The `schedule_manually` column is also non-nullable now.
This includes the following changes:
- Automatically scheduled parent dates are and `ignore_non_working_days`
attributes are now always derived from children's values, even if the
children are scheduled manually.
It's more natural. Without that, adding a child to a work package
would not change the parent's dates.
As a consequence, the parent can start on a non-working day if one of
its children is manually scheduled, ignores non-working days, and
starts on a non-working day. That's why the parent's
`ignore_non_working_days` attribute is now also derived from all its
children regardless of the scheduling mode.
If the parent is manually scheduled, its dates and it's ability to
ignore non-working days will still be defined independently from its
children.
- Fix tests broken by scheduling mode being manual by default.
The tests had to be adapted to explicitly set scheduling mode to
automatic for followers and parents, and sometimes even follower's
children. Without it, work packages would not be rescheduled
automatically.
- Replace schedule helpers with table helpers.
Schedule helpers helped well, but table helpers are more flexible and
support more column types.
- Add "days counting" and "scheduling mode" columns to table helpers.
"days counting" to set `ignore_non_working_days` attribute.
- "all days" value maps to `ignore_non_working_days: true`.
- "working days" value maps to `ignore_non_working_days: false`.
"scheduling mode" to set `schedule_manually` attribute.
- "manual" value maps to `schedule_manually: true`.
- "automatic" value maps to `schedule_manually: false`.
Alexander Brandon Coles