Thank you so much, Mike!
Did not tried it yet, but it looks like you nailed it :) I'll check the
sources on holidays.
With the deepest respect,
Stanislav.
четверг, 6 декабря 2018 г., 22:41:20 UTC+3 пользователь Mike Bayer написал:
>
> given that it looks like a new version for you means an
given that it looks like a new version for you means an UPDATE of the
old row and an INSERT of the new, here is that, which is again
basically what we see at
https://docs.sqlalchemy.org/en/latest/_modules/examples/versioned_rows/versioned_rows.html
with some extra steps to emit the UPDATE for the
On Thu, Dec 6, 2018 at 3:53 AM Stanislav Lobanov wrote:
>
> Example business case is:
>
> Parent and child are added to the system (current date is 2018-01-01)
>
> Parent
> id | start | end | data| child_id
> 1 | 2018-01-01| 2018-01-11 | c1 | 1 # just
>
> given that now() is the current time, how do you determine "end' when
> writing these rows? "end" must always be a date that's in the
> future?What happens when now() passes "end", you get None for your
> object?
>
When new object is created the "end" date is automatically (or
On Thu, Dec 6, 2018 at 6:58 AM Chris Wilson wrote:
>
> Dear Mike,
>
> Thanks for the very quick implementation! I didn't realise that people would
> make relationships between different Bases, as I assumed that people would
> use these to represent different databases (as we do), between which
On Thu, Dec 6, 2018 at 3:53 AM Stanislav Lobanov wrote:
>
> Example business case is:
>
> Parent and child are added to the system (current date is 2018-01-01)
>
> Parent
> id | start | end | data| child_id
> 1 | 2018-01-01| 2018-01-11 | c1 | 1 # just
Dear Mike,
Thanks for the very quick implementation! I didn't realise that people
would make relationships between different Bases, as I assumed that people
would use these to represent different databases (as we do), between which
there can be no (enforced) relationships. Then it wouldn't
Example business case is:
Parent and child are added to the system (current date is 2018-01-01)
Parent
id | start | end | data| child_id
1 | 2018-01-01| 2018-01-11 | c1 | 1 # just pointer
to child with some id (now points to first child record)
