class Column(models.Model):
    describe = models.CharField(max_length=255, blank=True)
    type_col = models.ForeignKey(TypeColumn, null=True, db_column='id_type', blank=True)
    disc = models.ForeignKey(Discipline, null=True, db_column='id', blank=True)
    group = models.ForeignKey(Groups, null=True, db_column='id', blank=True)

    class Meta:
        db_table = u'column'
        ordering = ['date']

    def __unicode__(self):
        return u'%s, %s' %(self.type_col, self.describe)

Column.objects.create(type_col=TypeColumn.objects.get(id=request.POST['type_col']),
                                  describe=request.POST['describe'],
                                  disc=Discipline.objects.get(id=iddisc),
                                  group=Groups.objects.get(id=idgroup))

    disc = models.ForeignKey(Discipline, null=True, db_column='id', blank=True)
    group = models.ForeignKey(Groups, null=True, db_column='id', blank=True)