text: from tortoise.models import Model
  from tortoise import fields
  
  class File(Model):
      file_name = fields.TextField(pk=True, null=False)
      file_type_extension = fields.TextField(null=False)
      description = fields.TextField(null=False)
      uploaded_by = fields.TextField(null=False)
      uploaded_at = fields.DateField(null=False, default='1992-01-01')
      file = fields.BinaryField(null=False)
      
      class Meta:
              table='Files'
              unique_together=( ("file_name", "file_type_extension") )
  
      def __str__(self):
          return self.name
  
  
  