From ae6fa914aa2f43d39ae491ac7d3140dda69702fa Mon Sep 17 00:00:00 2001 From: Sergey Fedoseev Date: Fri, 29 Dec 2017 03:35:41 +0500 Subject: Fixed #28926 -- Fixed loss of precision of big DurationField values on SQLite and MySQL. --- django/db/models/fields/__init__.py | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'django/db/models/fields') diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py index a67cf9b647..188b5bb907 100644 --- a/django/db/models/fields/__init__.py +++ b/django/db/models/fields/__init__.py @@ -24,7 +24,7 @@ from django.utils.datastructures import DictWrapper from django.utils.dateparse import ( parse_date, parse_datetime, parse_duration, parse_time, ) -from django.utils.duration import duration_string +from django.utils.duration import duration_microseconds, duration_string from django.utils.encoding import force_bytes, smart_text from django.utils.functional import Promise, cached_property from django.utils.ipv6 import clean_ipv6_address @@ -1617,8 +1617,7 @@ class DurationField(Field): return value if value is None: return None - # Discard any fractional microseconds due to floating point arithmetic. - return round(value.total_seconds() * 1000000) + return duration_microseconds(value) def get_db_converters(self, connection): converters = [] -- cgit v1.3