text: from django.db import models
  
  
  class Event(models.Model):
      event_id = models.CharField(max_length=255, db_index=True)
      event_type = models.CharField(max_length=255)
      event_version = models.IntegerField(null=True)
      event_data = models.TextField()
      aggregate_id = models.CharField(max_length=255, db_index=True)
      aggregate_type = models.CharField(max_length=255)
      aggregate_version = models.IntegerField()
      create_date = models.DateTimeField()
      metadata = models.TextField()
      module_name = models.CharField(max_length=255, db_column='_module_name')
      class_name = models.CharField(max_length=255, db_column='_class_name')
      stored_entity_id = models.CharField(max_length=255, db_column='_stored_entity_id', db_index=True)
  
      class Meta:
          unique_together = (("aggregate_id", "aggregate_type", "aggregate_version"),)
          db_table = 'event_journal'
  
      def __str__(self):
          return '%s.%s | %s | %s' % (self.aggregate_type, self.event_type, self.event_id, self.create_date)
  