Also you may not need the col_by_name at all for order_by, since you can pass the string in order_by directly: https://docs.sqlalchemy.org/en/20/tutorial/data_select.html#tutorial-order-by-label This case is still not supported, since doing "query.order_by('firstname')" raises "column not found".
(ps: github discussions should be preferred to share code snippets) On Saturday, 10 June 2023 at 21:05:35 UTC+2 Lele Gaifax wrote: > "Mike Bayer" <mike_not_...@zzzcomputing.com> writes: > > > it looks like you're trying to add an ORDER BY to the table that's > > only there via joinedload(). That's *really* not something we > > anticipate and it would be better if people proposed perhaps ad-hoc > > order_by expressions to be added to common loader options like > > joinedload() and selectinload(), in the same way that we offer ad-hoc > > WHERE criteria for these options now. as you are probably aware, the > > current way to do "joinedload with custom criteria / ordering / etc" > > is to write the query using outerjoin() and order_by() normally, then > > use contains_eager(). > > Oh, thanks a lot for this!. Accordingly with the git history, I > introduced that test to address a deprecation warning issued by SA 1.4+ > load_only()... > > I will study the contains_eager() alternative and try to modernize my > code that still uses that idiom. > > bye, lele. > -- > nickname: Lele Gaifax | Quando vivrò di quello che ho pensato ieri > real: Emanuele Gaifas | comincerò ad aver paura di chi mi copia. > le...@metapensiero.it | -- Fortunato Depero, 1929. > > -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/07785e0a-27e3-4977-857a-34cda38903f8n%40googlegroups.com.