The regular columns seem to expire and reload properly without issue. (Is that what you're asking?)
You want me to submit a PR changing: if p.expire_on_flush or p.key *not *in state.dict to if p.expire_on_flush *and *p.key in state.dict ? On Wed, May 10, 2017 at 12:55 PM, mike bayer <mike...@zzzcomputing.com> wrote: > so you can confirm this is only for custom SQL + column_property(), not a > regular column right? definitely a bug for 1.2 if you can post it up > > > On 05/10/2017 12:37 PM, Kent wrote: > >> I'm thinking that should be >> *"if p.expire_on_flush and p.key in state.dict"* >> >> >> On Wednesday, May 10, 2017 at 11:35:30 AM UTC-4, Kent wrote: >> >> deferred column_properties may be less-efficient subquery selects >> (and thus marked deferred). When a flush occurs that updates an >> object, any read-only column_properties are marked as expired, even >> if they weren't even loaded. This means if the object needs to be >> refreshed, all these deferred column properties are loaded. >> >> We probably want the behavior to only expire read-only attributes >> that were actually loaded, right? >> >> See attached script. This behavior is as of 1.1.1 >> >> Thoughts? >> >> >> -- >> 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 <mailto: >> sqlalchemy+unsubscr...@googlegroups.com>. >> To post to this group, send email to sqlalchemy@googlegroups.com <mailto: >> 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 a topic in the > Google Groups "sqlalchemy" group. > To unsubscribe from this topic, visit https://groups.google.com/d/to > pic/sqlalchemy/g0QVQ6RbxNU/unsubscribe. > To unsubscribe from this group and all its topics, 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.
