Tabelas vagas

class TrabalhoContrato(models.Model):
    nm_contrato = models.CharField(max_length=200, null=True)


class TrabalhoVaga(models.Model):
    nm_cargo = models.CharField(max_length=200, null=True)
    cd_filial = models.IntegerField(null=True)
    contrato = models.ForeignKey(TrabalhoContrato, on_delete=DO_NOTHING, null=True)
    cd_folga = models.IntegerField(null=True)


class PeriodoHorario(models.Model):
    hr_ini = models.CharField(max_length=4, null=True)
    hr_fim = models.CharField(max_length=4, null=True)
    codigo = models.IntegerField(null=True)
    tipo = models.CharField(max_length=100, null=True)
    cd_01 = models.IntegerField(null=True)