On 2011-12-08 4:11 PM, Michael Bayer wrote:
On Dec 8, 2011, at 4:55 PM, Michael Hipp wrote:
I'm getting a dirty indication on a particular ORM object from
session.is_modified(rec, passive=True) and also that same rec shows up in
session.dirty. But I can't figure out where/how it's been modified. Is there
some way to determine up which columns are dirty?
assuming you're not using any old style "mutable" attributes, a debugging
technique you can use immediately is to look in committed_state:
from sqlalchemy.orm.attributes import instance_state
instance_state(myobject).committed_state
this dictionary shows you what was loaded from the database that's been
replaced with something new. This isn't totally public API right now but it
is expedient.
That works swimmingly. And turns out it was telling the truth that
something had been modified :-)
Thanks,
Michael
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