Fixed #28925 -- Fixed durations-only expressions crash on SQLite and MySQL.

This removes also unused DatabaseOperations.date_interval_sql().

1 files changed, 0 insertions, 4 deletions

diff --git a/django/db/backends/sqlite3/operations.py b/django/db/backends/sqlite3/operations.py
index 9510b5edd9..1f77b3109f 100644
--- a/django/db/backends/sqlite3/operations.py
+++ b/django/db/backends/sqlite3/operations.py
@@ -11,7 +11,6 @@ from django.db.backends.base.operations import BaseDatabaseOperations
 from django.db.models.expressions import Col
 from django.utils import timezone
 from django.utils.dateparse import parse_date, parse_datetime, parse_time
-from django.utils.duration import duration_microseconds
 from django.utils.functional import cached_property
 
 
@@ -74,9 +73,6 @@ class DatabaseOperations(BaseDatabaseOperations):
         """
         return "django_date_extract('%s', %s)" % (lookup_type.lower(), field_name)
 
-    def date_interval_sql(self, timedelta):
-        return str(duration_microseconds(timedelta))
-
     def format_for_duration_arithmetic(self, sql):
         """Do nothing since formatting is handled in the custom function."""
         return sql