unique_together does not work in django 2.0

[FernandoJMM]

Hello,

I have the following class:

==================================

class Silo(models.Model):

    nave = models.ForeignKey(Nave, on_delete=models.CASCADE)

    codSil = models.CharField(

        'Código Silo', db_index=True, max_length=2, default='01')

    notas = models.TextField(null=True, blank=True)

    def __str__(self):

        return "%s %s" % (self.nave, self.codSil)

        class Meta:

            order_with_respect_to = 'nave'

            unique_together = ('nave', 'codSil')

====================================

But the option unique_together does not work because duplicate values ​​exist in the SQLite database for nave and codSil.

To solve it, I have to create the index nave + codSil by hand in the SQLite database ???

Thank you

[Jason]

To be clear, you started with an empty database and the duplicate values exist after adding data?

[FernandoJMM]

Hello, Problem solved.

For it to work I have to put the META class between the silo class and the method. Thank you

[James Bennett]

You've indented the 'Meta' declaration too much, and Python thinks it's part of the '__str__()' method of your class.

Un-indent it one level.

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