old_contents: from haystack import indexes
  from tx_people.models import Organization
  from tx_salaries.models import Employee
  
  
  class EmployeeIndex(indexes.SearchIndex, indexes.Indexable):
      text = indexes.CharField(document=True, use_template=True)
      content_auto = indexes.EdgeNgramField(model_attr='position__person__name')
      compensation = indexes.FloatField(model_attr='compensation', null=True)
      title = indexes.CharField(model_attr='title__name', faceted=True)
      department = indexes.CharField(model_attr='position__organization__name', faceted=True)
      entity = indexes.CharField(model_attr='position__organization__parent__name', faceted=True)
  
      def get_model(self):
          return Employee
  
new_contents: from haystack import indexes
  from tx_salaries.models import Employee
  
  
  class EmployeeIndex(indexes.SearchIndex, indexes.Indexable):
      text = indexes.CharField(document=True, use_template=True)
      content_auto = indexes.EdgeNgramField(model_attr='position__person__name')
      compensation = indexes.FloatField(model_attr='compensation', null=True)
      title = indexes.CharField(model_attr='title__name', faceted=True)
      title_slug = indexes.CharField(model_attr='title__stats__slug', faceted=True)
      department = indexes.CharField(model_attr='position__organization__name', faceted=True)
      department_slug = indexes.CharField(model_attr='position__organization__stats__slug')
      entity = indexes.CharField(model_attr='position__organization__parent__name', faceted=True)
      entity_slug = indexes.CharField(model_attr='position__organization__parent__stats__slug')
  
      def get_model(self):
          return Employee
  
subject: Index slugs to reduce search page queries