mongodb · timgraham · May 3, 2025 · Apr 11, 2025
diff --git a/django_mongodb_backend/compiler.py b/django_mongodb_backend/compiler.py
@@ -331,15 +331,6 @@ def cursor_iter(self, cursor, chunk_size, columns):
 
     def check_query(self):
         """Check if the current query is supported by the database."""
-        if self.query.distinct:
-            # This is a heuristic to detect QuerySet.datetimes() and dates().
-            # "datetimefield" and "datefield" are the names of the annotations
-            # the methods use. A user could annotate with the same names which
-            # would give an incorrect error message.
-            if "datetimefield" in self.query.annotations:
-                raise NotSupportedError("QuerySet.datetimes() is not supported on MongoDB.")
-            if "datefield" in self.query.annotations:
-                raise NotSupportedError("QuerySet.dates() is not supported on MongoDB.")
         if self.query.extra:
             if any(key.startswith("_prefetch_related_") for key in self.query.extra):
                 raise NotSupportedError("QuerySet.prefetch_related() is not supported on MongoDB.")

diff --git a/django_mongodb_backend/features.py b/django_mongodb_backend/features.py
@@ -276,81 +276,6 @@ def django_test_expected_failures(self):
             "update.tests.AdvancedTests.test_update_ordered_by_m2m_annotation_desc",
             "update.tests.AdvancedTests.test_update_values_annotation",
         },
-        "QuerySet.dates() is not supported on MongoDB.": {
-            "admin_changelist.tests.ChangeListTests.test_computed_list_display_localization",
-            "admin_changelist.tests.ChangeListTests.test_object_tools_displayed_no_add_permission",
-            "admin_views.tests.AdminViewBasicTest.test_change_list_sorting_override_model_admin",
-            "admin_views.tests.AdminViewBasicTest.test_multiple_sort_same_field",
-            "admin_views.tests.AdminViewListEditable.test_inheritance",
-            "admin_views.tests.CSSTest.test_changelist_field_classes",
-            "admin_views.tests.DateHierarchyTests",
-            "aggregation.tests.AggregateTestCase.test_dates_with_aggregation",
-            "annotations.tests.AliasTests.test_dates_alias",
-            "aggregation_regress.tests.AggregationTests.test_more_more_more2",
-            "backends.tests.DateQuotingTest.test_django_date_trunc",
-            "dates.tests.DatesTests.test_dates_trunc_datetime_fields",
-            "dates.tests.DatesTests.test_related_model_traverse",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_allow_empty_archive_view",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_archive_view",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_archive_view_by_month",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_archive_view_context_object_name",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_archive_view_custom_sorting",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_archive_view_custom_sorting_dec",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_archive_view_template",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_archive_view_template_suffix",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_date_list_order",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_no_duplicate_query",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_paginated_archive_view",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_paginated_archive_view_does_not_load_entire_table",
-            "generic_views.test_dates.MonthArchiveViewTests.test_custom_month_format",
-            "generic_views.test_dates.MonthArchiveViewTests.test_date_list_order",
-            "generic_views.test_dates.MonthArchiveViewTests.test_month_view",
-            "generic_views.test_dates.MonthArchiveViewTests.test_month_view_allow_empty",
-            "generic_views.test_dates.MonthArchiveViewTests.test_month_view_allow_future",
-            "generic_views.test_dates.MonthArchiveViewTests.test_month_view_get_month_from_request",
-            "generic_views.test_dates.MonthArchiveViewTests.test_month_view_paginated",
-            "generic_views.test_dates.MonthArchiveViewTests.test_previous_month_without_content",
-            "generic_views.test_dates.YearArchiveViewTests.test_date_list_order",
-            "generic_views.test_dates.YearArchiveViewTests.test_get_context_data_receives_extra_context",
-            "generic_views.test_dates.YearArchiveViewTests.test_no_duplicate_query",
-            "generic_views.test_dates.YearArchiveViewTests.test_year_view",
-            "generic_views.test_dates.YearArchiveViewTests.test_year_view_allow_future",
-            "generic_views.test_dates.YearArchiveViewTests.test_year_view_custom_sort_order",
-            "generic_views.test_dates.YearArchiveViewTests.test_year_view_empty",
-            "generic_views.test_dates.YearArchiveViewTests.test_year_view_make_object_list",
-            "generic_views.test_dates.YearArchiveViewTests.test_year_view_paginated",
-            "generic_views.test_dates.YearArchiveViewTests.test_year_view_two_custom_sort_orders",
-            "many_to_one.tests.ManyToOneTests.test_select_related",
-            "model_regress.tests.ModelTests.test_date_filter_null",
-            "reserved_names.tests.ReservedNameTests.test_dates",
-            "queryset_pickle.tests.PickleabilityTestCase.test_specialized_queryset",
-        },
-        "QuerySet.datetimes() is not supported on MongoDB.": {
-            "admin_views.test_templatetags.DateHierarchyTests",
-            "admin_views.test_templatetags.AdminTemplateTagsTest.test_override_change_list_template_tags",
-            "admin_views.tests.AdminViewBasicTest.test_date_hierarchy_empty_queryset",
-            "admin_views.tests.AdminViewBasicTest.test_date_hierarchy_local_date_differ_from_utc",
-            "admin_views.tests.AdminViewBasicTest.test_date_hierarchy_timezone_dst",
-            "annotations.tests.AliasTests.test_datetimes_alias",
-            "datetimes.tests.DateTimesTests.test_21432",
-            "datetimes.tests.DateTimesTests.test_datetimes_has_lazy_iterator",
-            "datetimes.tests.DateTimesTests.test_datetimes_returns_available_dates_for_given_scope_and_given_field",
-            "datetimes.tests.DateTimesTests.test_related_model_traverse",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_aware_datetime_archive_view",
-            "generic_views.test_dates.ArchiveIndexViewTests.test_datetime_archive_view",
-            "generic_views.test_dates.MonthArchiveViewTests.test_aware_datetime_month_view",
-            "generic_views.test_dates.MonthArchiveViewTests.test_datetime_month_view",
-            "generic_views.test_dates.YearArchiveViewTests.test_aware_datetime_year_view",
-            "generic_views.test_dates.YearArchiveViewTests.test_datetime_year_view",
-            "model_inheritance_regress.tests.ModelInheritanceTest.test_issue_7105",
-            "queries.tests.Queries1Tests.test_ticket7155",
-            "queries.tests.Queries1Tests.test_ticket7791",
-            "queries.tests.Queries1Tests.test_tickets_6180_6203",
-            "queries.tests.Queries1Tests.test_tickets_7087_12242",
-            "timezones.tests.LegacyDatabaseTests.test_query_datetimes",
-            "timezones.tests.NewDatabaseTests.test_query_datetimes",
-            "timezones.tests.NewDatabaseTests.test_query_datetimes_in_other_timezone",
-        },
         "QuerySet.extra() is not supported.": {
             "aggregation.tests.AggregateTestCase.test_exists_extra_where_with_aggregate",
             "annotations.tests.NonAggregateAnnotationTestCase.test_column_field_ordering",
@@ -370,6 +295,7 @@ def django_test_expected_failures(self):
             "queries.test_qs_combinators.QuerySetSetOperationTests.test_union_with_extra_and_values_list",
             "queries.tests.EscapingTests.test_ticket_7302",
             "queries.tests.Queries1Tests.test_tickets_1878_2939",
+            "queries.tests.Queries1Tests.test_tickets_7087_12242",
             "queries.tests.Queries5Tests.test_extra_select_literal_percent_s",
             "queries.tests.Queries5Tests.test_ticket7256",
             "queries.tests.ValuesQuerysetTests.test_extra_multiple_select_params_values_order_by",

diff --git a/docs/source/ref/models/querysets.rst b/docs/source/ref/models/querysets.rst
@@ -9,8 +9,6 @@ All of Django's :doc:`QuerySet methods <django:ref/models/querysets>` are
 supported, except:
 
   - :meth:`bulk_update() <django.db.models.query.QuerySet.bulk_update>`
-  - :meth:`dates() <django.db.models.query.QuerySet.dates>`
-  - :meth:`datetimes() <django.db.models.query.QuerySet.datetimes>`
   - :meth:`extra() <django.db.models.query.QuerySet.extra>`
   - :meth:`prefetch_related() <django.db.models.query.QuerySet.prefetch_related>`
 

diff --git a/docs/source/releases/5.1.x.rst b/docs/source/releases/5.1.x.rst
@@ -12,6 +12,7 @@ Django MongoDB Backend 5.1.x
   ``contained__by``, ``len``, etc.
 - Fixed the results of queries that use the ``tzinfo`` parameter of the
   ``Trunc`` database functions.
+- Added support for ``QuerySet.dates()`` and ``datetimes()``.
 
 .. _django-mongodb-backend-5.1.0-beta-2:
 

diff --git a/docs/source/releases/5.2.x.rst b/docs/source/releases/5.2.x.rst
@@ -21,3 +21,4 @@ Bug fixes
   ``contained__by``, ``len``, etc.
 - Fixed the results of queries that use the ``tzinfo`` parameter of the
   ``Trunc`` database functions.
+- Added support for ``QuerySet.dates()`` and ``datetimes()``.
diff --git a/docs/source/topics/known-issues.rst b/docs/source/topics/known-issues.rst
@@ -32,8 +32,6 @@ Querying
 - The following ``QuerySet`` methods aren't supported:
 
   - :meth:`bulk_update() <django.db.models.query.QuerySet.bulk_update>`
-  - :meth:`dates() <django.db.models.query.QuerySet.dates>`
-  - :meth:`datetimes() <django.db.models.query.QuerySet.datetimes>`
   - :meth:`extra() <django.db.models.query.QuerySet.extra>`
   - :meth:`prefetch_related() <django.db.models.query.QuerySet.prefetch_related>`