| 298 | 298 | If all sources are None, then an error is raised higher up the stack in |
| 299 | 299 | the output_field property. |
| 300 | 300 | """ |
| 301 | from django.db.models.fields import DurationField | |
| 302 | ||
| 301 | 303 | sources_iter = (source for source in self.get_source_fields() if source is not None) |
| 302 | for output_field in sources_iter: | |
| 303 | for source in sources_iter: | |
| 304 | sources_list = list(sources_iter) | |
| 305 | ||
| 306 | # Handle temporal operations with mixed types | |
| 307 | if len(sources_list) > 1: | |
| 308 | # Check if we have a mix of datetime fields and DurationField | |
| 309 | datetime_fields = {'DateField', 'DateTimeField', 'TimeField'} | |
| 310 | has_datetime = any(source.get_internal_type() in datetime_fields for source in sources_list) | |
| 311 | has_duration = any(source.get_internal_type() == 'DurationField' for source in sources_list) | |
| 312 | ||
| 313 | # If we have datetime fields mixed with DurationField, result should be DurationField | |
| 314 | if has_datetime and has_duration: | |
| 315 | return DurationField() | |
| 316 | ||
| 317 | # Check if all datetime fields are the same type (for temporal subtraction) | |
| 318 | datetime_types = [source.get_internal_type() for source in sources_list if source.get_internal_type() in datetime_fields] | |
| 319 | if datetime_types and len(set(datetime_types)) == 1: | |
| 320 | # All datetime fields are the same type, this is valid for temporal operations | |
| 321 | # The result type depends on the operation, but DurationField is a safe default | |
| 322 | return DurationField() | |
| 323 | ||
| 324 | # Original logic for non-temporal mixed types | |
| 325 | for output_field in sources_list: | |
| 326 | for source in sources_list: | |
| 304 | 327 | if not isinstance(output_field, source.__class__): |
| 305 | 328 | raise FieldError( |
| 306 | 329 | 'Expression contains mixed types: %s, %s. You must ' |
| Test Name | Status |
|---|---|
test_durationfield_add (expressions.tests.FTimeDeltaTests) | Fail |
test_mixed_comparisons2 (expressions.tests.FTimeDeltaTests) | Fail |
test_negative_timedelta_update (expressions.tests.FTimeDeltaTests) | Fail |
test_date_case_subtraction (expressions.tests.FTimeDeltaTests) | Pass |
test_date_subquery_subtraction (expressions.tests.FTimeDeltaTests) | Pass |
test_date_subtraction (expressions.tests.FTimeDeltaTests) | Pass |
test_datetime_subquery_subtraction (expressions.tests.FTimeDeltaTests) | Pass |
test_datetime_subtraction_microseconds (expressions.tests.FTimeDeltaTests) | Pass |
test_time_subquery_subtraction (expressions.tests.FTimeDeltaTests) | Pass |
test_time_subtraction (expressions.tests.FTimeDeltaTests) | Pass |
test_deconstruct (expressions.tests.FTests) | Pass |
test_deepcopy (expressions.tests.FTests) | Pass |
test_equal (expressions.tests.FTests) | Pass |
test_hash (expressions.tests.FTests) | Pass |
test_not_equal_Value (expressions.tests.FTests) | Pass |
test_and (expressions.tests.CombinableTests) | Pass |
test_negation (expressions.tests.CombinableTests) | Pass |
test_or (expressions.tests.CombinableTests) | Pass |
test_reversed_and (expressions.tests.CombinableTests) | Pass |
test_reversed_or (expressions.tests.CombinableTests) | Pass |
test_empty_group_by (expressions.tests.ExpressionWrapperTests) | Pass |
test_non_empty_group_by (expressions.tests.ExpressionWrapperTests) | Pass |
test_aggregates (expressions.tests.ReprTests) | Pass |
test_distinct_aggregates (expressions.tests.ReprTests) | Pass |
test_expressions (expressions.tests.ReprTests) | Pass |
test_filtered_aggregates (expressions.tests.ReprTests) | Pass |
test_functions (expressions.tests.ReprTests) | Pass |
test_equal (expressions.tests.SimpleExpressionTests) | Pass |
test_hash (expressions.tests.SimpleExpressionTests) | Pass |
test_month_aggregation (expressions.tests.FieldTransformTests) | Pass |
test_multiple_transforms_in_values (expressions.tests.FieldTransformTests) | Pass |
test_transform_in_values (expressions.tests.FieldTransformTests) | Pass |
test_F_reuse (expressions.tests.ExpressionsTests) | Pass |
test_insensitive_patterns_escape (expressions.tests.ExpressionsTests) | Pass |
test_patterns_escape (expressions.tests.ExpressionsTests) | Pass |
test_complex_expressions (expressions.tests.ExpressionsNumericTests) | Pass |
test_fill_with_value_from_same_object (expressions.tests.ExpressionsNumericTests) | Pass |
test_filter_not_equals_other_field (expressions.tests.ExpressionsNumericTests) | Pass |
test_increment_value (expressions.tests.ExpressionsNumericTests) | Pass |
test_deconstruct (expressions.tests.ValueTests) | Pass |
test_deconstruct_output_field (expressions.tests.ValueTests) | Pass |
test_equal (expressions.tests.ValueTests) | Pass |
test_equal_output_field (expressions.tests.ValueTests) | Pass |
test_hash (expressions.tests.ValueTests) | Pass |
test_raise_empty_expressionlist (expressions.tests.ValueTests) | Pass |
test_update_TimeField_using_Value (expressions.tests.ValueTests) | Pass |
test_update_UUIDField_using_Value (expressions.tests.ValueTests) | Pass |
test_complex_expressions_do_not_introduce_sql_injection_via_untrusted_string_inclusion (expressions.tests.IterableLookupInnerExpressionsTests) | Pass |
test_expressions_in_lookups_join_choice (expressions.tests.IterableLookupInnerExpressionsTests) | Pass |
test_in_lookup_allows_F_expressions_and_expressions_for_datetimes (expressions.tests.IterableLookupInnerExpressionsTests) | Pass |
test_in_lookup_allows_F_expressions_and_expressions_for_integers (expressions.tests.IterableLookupInnerExpressionsTests) | Pass |
test_range_lookup_allows_F_expressions_and_expressions_for_integers (expressions.tests.IterableLookupInnerExpressionsTests) | Pass |
test_lefthand_addition (expressions.tests.ExpressionOperatorTests) | Pass |
test_lefthand_bitwise_and (expressions.tests.ExpressionOperatorTests) | Pass |
test_lefthand_bitwise_left_shift_operator (expressions.tests.ExpressionOperatorTests) | Pass |
test_lefthand_bitwise_or (expressions.tests.ExpressionOperatorTests) | Pass |
test_lefthand_bitwise_right_shift_operator (expressions.tests.ExpressionOperatorTests) | Pass |
test_lefthand_bitwise_xor (expressions.tests.ExpressionOperatorTests) | Pass |
test_lefthand_bitwise_xor_null (expressions.tests.ExpressionOperatorTests) | Pass |
test_lefthand_division (expressions.tests.ExpressionOperatorTests) | Pass |
test_lefthand_modulo (expressions.tests.ExpressionOperatorTests) | Pass |
test_lefthand_multiplication (expressions.tests.ExpressionOperatorTests) | Pass |
test_lefthand_power (expressions.tests.ExpressionOperatorTests) | Pass |
test_lefthand_subtraction (expressions.tests.ExpressionOperatorTests) | Pass |
test_right_hand_addition (expressions.tests.ExpressionOperatorTests) | Pass |
test_right_hand_division (expressions.tests.ExpressionOperatorTests) | Pass |
test_right_hand_modulo (expressions.tests.ExpressionOperatorTests) | Pass |
test_right_hand_multiplication (expressions.tests.ExpressionOperatorTests) | Pass |
test_right_hand_subtraction (expressions.tests.ExpressionOperatorTests) | Pass |
test_righthand_power (expressions.tests.ExpressionOperatorTests) | Pass |
test_date_comparison (expressions.tests.FTimeDeltaTests) | Pass |
test_date_minus_duration (expressions.tests.FTimeDeltaTests) | Pass |
test_datetime_subtraction (expressions.tests.FTimeDeltaTests) | Pass |
test_delta_add (expressions.tests.FTimeDeltaTests) | Pass |
test_delta_subtract (expressions.tests.FTimeDeltaTests) | Pass |
test_delta_update (expressions.tests.FTimeDeltaTests) | Pass |
test_duration_expressions (expressions.tests.FTimeDeltaTests) | Pass |
test_duration_with_datetime (expressions.tests.FTimeDeltaTests) | Pass |
test_duration_with_datetime_microseconds (expressions.tests.FTimeDeltaTests) | Pass |
test_exclude (expressions.tests.FTimeDeltaTests) | Pass |
test_invalid_operator (expressions.tests.FTimeDeltaTests) | Pass |
test_multiple_query_compilation (expressions.tests.FTimeDeltaTests) | Pass |
test_query_clone (expressions.tests.FTimeDeltaTests) | Pass |
test_aggregate_subquery_annotation (expressions.tests.BasicExpressionsTests) | Pass |
test_annotate_values_aggregate (expressions.tests.BasicExpressionsTests) | Pass |
test_annotate_values_count (expressions.tests.BasicExpressionsTests) | Pass |
test_annotate_values_filter (expressions.tests.BasicExpressionsTests) | Pass |
test_annotation_with_nested_outerref (expressions.tests.BasicExpressionsTests) | Pass |
test_annotation_with_outerref (expressions.tests.BasicExpressionsTests) | Pass |
test_annotations_within_subquery (expressions.tests.BasicExpressionsTests) | Pass |
test_arithmetic (expressions.tests.BasicExpressionsTests) | Pass |
test_boolean_expression_combined (expressions.tests.BasicExpressionsTests) | Pass |
test_case_in_filter_if_boolean_output_field (expressions.tests.BasicExpressionsTests) | Pass |
test_exist_single_field_output_field (expressions.tests.BasicExpressionsTests) | Pass |
test_exists_in_filter (expressions.tests.BasicExpressionsTests) | Pass |
test_explicit_output_field (expressions.tests.BasicExpressionsTests) | Pass |
test_filter_inter_attribute (expressions.tests.BasicExpressionsTests) | Pass |
test_filter_with_join (expressions.tests.BasicExpressionsTests) | Pass |
test_filtering_on_annotate_that_uses_q (expressions.tests.BasicExpressionsTests) | Pass |
test_filtering_on_q_that_is_boolean (expressions.tests.BasicExpressionsTests) | Pass |
test_filtering_on_rawsql_that_is_boolean (expressions.tests.BasicExpressionsTests) | Pass |
test_in_subquery (expressions.tests.BasicExpressionsTests) | Pass |
test_incorrect_field_in_F_expression (expressions.tests.BasicExpressionsTests) | Pass |
test_incorrect_joined_field_in_F_expression (expressions.tests.BasicExpressionsTests) | Pass |
test_nested_outerref_with_function (expressions.tests.BasicExpressionsTests) | Pass |
test_nested_subquery (expressions.tests.BasicExpressionsTests) | Pass |
test_nested_subquery_join_outer_ref (expressions.tests.BasicExpressionsTests) | Pass |
test_nested_subquery_outer_ref_2 (expressions.tests.BasicExpressionsTests) | Pass |
test_nested_subquery_outer_ref_with_autofield (expressions.tests.BasicExpressionsTests) | Pass |
test_new_object_create (expressions.tests.BasicExpressionsTests) | Pass |
test_new_object_save (expressions.tests.BasicExpressionsTests) | Pass |
test_object_create_with_aggregate (expressions.tests.BasicExpressionsTests) | Pass |
test_object_update (expressions.tests.BasicExpressionsTests) | Pass |
test_object_update_fk (expressions.tests.BasicExpressionsTests) | Pass |
test_object_update_unsaved_objects (expressions.tests.BasicExpressionsTests) | Pass |
test_order_by_exists (expressions.tests.BasicExpressionsTests) | Pass |
test_order_by_multiline_sql (expressions.tests.BasicExpressionsTests) | Pass |
test_order_of_operations (expressions.tests.BasicExpressionsTests) | Pass |
test_outerref (expressions.tests.BasicExpressionsTests) | Pass |
test_outerref_mixed_case_table_name (expressions.tests.BasicExpressionsTests) | Pass |
test_outerref_with_operator (expressions.tests.BasicExpressionsTests) | Pass |
test_parenthesis_priority (expressions.tests.BasicExpressionsTests) | Pass |
test_pickle_expression (expressions.tests.BasicExpressionsTests) | Pass |
test_subquery (expressions.tests.BasicExpressionsTests) | Pass |
test_subquery_eq (expressions.tests.BasicExpressionsTests) | Pass |
test_subquery_filter_by_aggregate (expressions.tests.BasicExpressionsTests) | Pass |
test_subquery_filter_by_lazy (expressions.tests.BasicExpressionsTests) | Pass |
test_subquery_group_by_outerref_in_filter (expressions.tests.BasicExpressionsTests) | Pass |
test_subquery_in_filter (expressions.tests.BasicExpressionsTests) | Pass |
test_subquery_references_joined_table_twice (expressions.tests.BasicExpressionsTests) | Pass |
test_ticket_11722_iexact_lookup (expressions.tests.BasicExpressionsTests) | Pass |
test_ticket_16731_startswith_lookup (expressions.tests.BasicExpressionsTests) | Pass |
test_ticket_18375_chained_filters (expressions.tests.BasicExpressionsTests) | Pass |
test_ticket_18375_join_reuse (expressions.tests.BasicExpressionsTests) | Pass |
test_ticket_18375_kwarg_ordering (expressions.tests.BasicExpressionsTests) | Pass |
test_ticket_18375_kwarg_ordering_2 (expressions.tests.BasicExpressionsTests) | Pass |
test_update (expressions.tests.BasicExpressionsTests) | Pass |
test_update_inherited_field_value (expressions.tests.BasicExpressionsTests) | Pass |
test_update_with_fk (expressions.tests.BasicExpressionsTests) | Pass |
test_update_with_none (expressions.tests.BasicExpressionsTests) | Pass |
test_uuid_pk_subquery (expressions.tests.BasicExpressionsTests) | Pass |
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