                  )
  
      def test_memory_db_test_name(self):
          """A named in-memory db should be allowed where supported."""
          from django.db.backends.sqlite3.base import DatabaseWrapper
          settings_dict = {
              'TEST': {
                  'NAME': 'file:memorydb_test?mode=memory&cache=shared',
 
</s> remove         super().__init__(
            expression, distinct='DISTINCT ' if distinct else '',
            filter=filter, **extra
        )

    def _get_repr_options(self):
        return {**super()._get_repr_options(), 'distinct': self.extra['distinct'] != ''}
 </s> add         super().__init__(expression, filter=filter, **extra) </s> remove     def __init__(self, expression, distinct=False, filter=None, **extra):
 </s> add     def __init__(self, expression, filter=None, **extra):
    def test_distinct_aggregation(self):
        class DistinctAggregate(Aggregate):
            allow_distinct = True
        aggregate = DistinctAggregate('first', 'second', distinct=True)
        msg = (
            "SQLite doesn't support DISTINCT on aggregate functions accepting "
            "multiple arguments."
        )
        with self.assertRaisesMessage(NotSupportedError, msg):
            connection.ops.check_expression_support(aggregate)

                  )
  
    def test_distinct_aggregation(self):
        class DistinctAggregate(Aggregate):
            allow_distinct = True
        aggregate = DistinctAggregate('first', 'second', distinct=True)
        msg = (
            "SQLite doesn't support DISTINCT on aggregate functions accepting "
            "multiple arguments."
        )
        with self.assertRaisesMessage(NotSupportedError, msg):
            connection.ops.check_expression_support(aggregate)

      def test_memory_db_test_name(self):
          """A named in-memory db should be allowed where supported."""
          from django.db.backends.sqlite3.base import DatabaseWrapper
          settings_dict = {
              'TEST': {
                  'NAME': 'file:memorydb_test?mode=memory&cache=shared',
keep add keep keep keep keep keep keep
 Fixed #28658 -- Added DISTINCT handling to the Aggregate class. 
tests/backends/sqlite/tests.py