So there is a series of patches starting with -
https://review.openstack.org/#/c/53417/ that go back and radically
change existing migration files.
This is really a no-no, unless there is a critical bug fix that
absolutely requires it. Changing past migrations should be considered
with the same level of weight as an N-2 backport, only done when there
is huge upside to the change.
I've -2ed the first 2 patches in the series, though that review applies
to all of them (I figured a mailing list thread was probably more useful
than -2ing everything in the series).
There needs to be really solid discussion about the trade offs here
before contemplating something as dangerous as this.
-Sean
--
Sean Dague
http://dague.net
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