On Thu, Jun 18, 2009 at 4:57 PM, Michael Bayermike...@zzzcomputing.com wrote:
you can get most of this stuff from the session without any flush
occurring. at the object level are the new, dirty, and deleted
collections on Session. At the attribute level the
attributes.get_history() method
Catherine Devlin wrote:
(['Eduardo Jones'], (), [u'Ed Jones'])
# so far so good
print sqlalchemy.orm.attributes.get_history(ed.userview, 'name')
((), [u'ed'], ())
print sqlalchemy.orm.attributes.get_history(ed, 'fullname')
((), ['Eduardo Jones'], ())
... now get_history thinks fullname
On Jun 18, 2009, at 4:27 PM, Catherine Devlin wrote:
I'm building a complex ETL tool with SQLAlchemy that will sometimes
need to let the user preview a changed record - not actually carry
out the update, just find out which fields would be changed, and to
what values. I'm having trouble
