Renaming a foreign key field with a different related_name, too

[bobhaugen]

I have renamed fields in South migrations several times when I wanted to retain the data (changing the add and delete fields to rename_column).  Always worked fine.

But now I am renaming a foreign key field for the first time, and also changing the related name, and am confused. (And ran a test, which failed.)

I notice that when South creates an auto migration which adds a foreign key field, it also adds information about the related name, for example (from a previous migration):

    self.gf('django.db.models.fields.related.ForeignKey')(default=1, related_name='cached_events', to=orm['valueaccounting.EventType']),

So what do I need to do when renaming both the foreign key field and the related name?

Do the rename_column differently?

Do the rename_column first and then change the related name in a separate migration?

Can't do it at all?

Or what?

Thanks a bunch, we love South and are glad it is becoming part of Django (in a version beyond our current one...)

[Andrew Godwin]

related_name has no effect on the database, so there should be no problem changing it.

Are you actually seeing any errors? If so, could you post the traceback + console output of them?

Andrew

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[Bob Haugen]

Andrew, thanks. That's the info I needed (that South does not need the
new related name). Led me to dig deeper and find a leftover remnant of
the old field name in a place I did not expect. (As always.)

Sorry to bother you and the group.

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