#36364: Migration executor cannot handle AlterField operation on ForeignObject
-------------------------------------+-------------------------------------
Reporter: Jacob Walls | Owner: (none)
Type: Bug | Status: new
Component: Migrations | Version: dev
Severity: Normal | Resolution:
Keywords: composite primary | Triage Stage:
key | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Jacob Walls):
Just chiming in to add that, as I mentioned, this is reproducible without
"migrating from a composite primary key" but rather migrating away from
the `ForeignObject`. E.g., making this single change from
{{{
item = models.ForeignObject(
OrderLineItem,
on_delete=models.CASCADE,
from_fields=("item_order_id", "item_product_id"),
to_fields=("order_id", "product_id"),
)
}}}
to
{{{
item = models.IntegerField()
}}}
reproduces the issue.
--
Ticket URL: <https://code.djangoproject.com/ticket/36364#comment:2>
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