#23131: Potential problems with field callables copyed to migrations
-------------------------------+----------------------
Reporter: riklaunim | Owner: nobody
Type: Uncategorized | Status: new
Component: Migrations | Version: 1.7-rc-1
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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Model fields support callables in few places, like:
{{{
image = models.ImageField(db_index=True, upload_to=upload_path,
blank=True)
}}}
where '''upload_path''' is a function. Migrating model with such field
will give:
{{{
('image', models.ImageField(blank=True,
upload_to=my_app.models.upload_path)),
}}}
That can easily cause problems. Future changes to the code (like different
callable name) would break old migrations (which then would break tests).
Does migrations must copy everything?
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Ticket URL: <https://code.djangoproject.com/ticket/23131>
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