Having in mind documentation remarks on is_modified for scalar values is modified = session.is_modified(obj) and obj in session.dirty
a good way to determine if obj was modified? W dniu środa, 4 listopada 2015 02:03:05 UTC+1 użytkownik Michael Bayer napisał: > > > > On 11/03/2015 03:21 PM, c.b...@posteo.jp <javascript:> wrote: > > Is there a way to find out if a persistent sqlalchemy mapped object was > > modified? > > > > It means I recieve a object (persistent, with identiy) from the > > database. Then the user (maybe!) modify its data in a dialog-window. > > > > obj = session.query(MyClass).first() > > LetTheUserDoSomethingWithIt(obj) > > if obj.is_modified() > > > > Is there a way to find out if the object in memory/RAM was modified > > compared to its instance in the database itself? I don't want to > > compare each attribute against the data in the dialog-window. > > > session.is_modified(obj) will do this for you: > > > > http://docs.sqlalchemy.org/en/rel_1_0/orm/session_api.html?highlight=is_modified#sqlalchemy.orm.session.Session.is_modified > > > read the docs carefully, this method can be tricky. > > > > > > > -- SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper http://www.sqlalchemy.org/ To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. --- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at https://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
