class Tweet(models.Model):
    id = models.AutoField(db_column='ID', primary_key=True)  # Field name made lowercase.
    user = models.ForeignKey('USER', models.DO_NOTHING, db_column='USER_ID')  # Field name made lowercase.
    content = models.CharField(db_column='CONTENT', max_length=45)  # Field name made lowercase.
    timestamp = models.DateTimeField(db_column='TIMESTAMP')  # Field name made lowercase.
    like_counter = models.IntegerField(db_column='LIKE_COUNTER')  # Field name made lowercase.
    parent_tweet = models.ForeignKey('self', models.DO_NOTHING, db_column='PARENT_TWEET', blank=True, null=True)  # Field name made lowercase.True

class User(models.Model):
    id = models.AutoField(db_column='ID', primary_key=True)  # Field name made lowercase.
    username = models.CharField(db_column='USERNAME', max_length=45)  # Field name made lowercase.
    email = models.CharField(db_column='EMAIL', max_length=100)  # Field name made lowercase.
    password = models.CharField(db_column='PASSWORD', max_length=45)  # Field name made lowercase.

#returns a queryset of first 5 tweets in order of most recent
tweet_data = Tweet.objects.filter(user_id__in = following_ids).filter().order_by('-timestamp')[:5]
tweet_data_json = serializers.serialize('json', tweet_data, fields=('id','user__username','content','timestamp','like_counter','parent_tweet'))
return tweet_data_json