Backported to 8.0 following report at #12648
[FIX] base: use datetime instead of date
The variable `date` is compared to the field `name` in the selection
query. `name` is filled in with datetime data. In particular, in the
module currency_rate_live, datetime.now() is used in the name. It is
necessary to make an appropriate comparison to make sure we select the
updated rate right away.
Fixes#12648
Nicolas Martinelli
2c19e9be96