On Wed, Aug 9, 2017 at 8:04 PM, <jens.troe...@gmail.com> wrote: > Thanks, Mike! > > My implementation uses the single table inheritance model and I would like > to (i.e. need to) keep the id the same. > > Talking about the example in the documentation, do I understand you > correctly that changing from Manager to Engineer is as simple as updating > the type field?
yes. also locally you want to clear out those objects from your Session and reload (cleanest would be to expunge() totally). > > Cheers, > Jens > > > On Thursday, August 10, 2017 at 9:18:50 AM UTC+10, Mike Bayer wrote: >> >> On Wed, Aug 9, 2017 at 6:53 PM, <jens.t...@gmail.com> wrote: >> > Hi, >> > >> > I came upon this thread because I've got almost the exact same question. >> > Several years on, though, how would I go about promoting polymorphic >> > objects >> > across siblings today? >> >> UPDATE the discriminator name, perform INSERT / DELETE of joined >> inheritance tables as needed.... >> >> > Thank you! >> > Jens > > -- > 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. -- 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.
