diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/releases/1.10.txt | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/docs/releases/1.10.txt b/docs/releases/1.10.txt index 7ea4a5e4d5..1220d9402c 100644 --- a/docs/releases/1.10.txt +++ b/docs/releases/1.10.txt @@ -201,7 +201,7 @@ CSRF Database backends ~~~~~~~~~~~~~~~~~ -* ... +* Temporal data subtraction was unified on all backends. Email ~~~~~ @@ -398,6 +398,13 @@ Database backend API from the database are now converted to ``float`` to make it easier to combine them with values used by the GIS libraries. +* In order to enable temporal subtraction you must set the + ``supports_temporal_subtraction`` database feature flag to ``True`` and + implement the ``DatabaseOperations.subtract_temporals()`` method. This + method should return the SQL and parameters required to compute the + difference in microseconds between the ``lhs`` and ``rhs`` arguments in the + datatype used to store :class:`~django.db.models.DurationField`. + ``select_related()`` prohibits non-relational fields for nested relations ------------------------------------------------------------------------- |