Session.merge allows you to attach a detached object https://docs.sqlalchemy.org/en/13/orm/session_state_management.html#merging
But What you are describing to me looks like an anti-pattern, as it will have wildly unpredictable results if you deploy your application with more than one worker (e.g. a multi-threaded or multi-process container) - which is the standard. I think you may want to use a caching layer. -- 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/f8778c30-b6d2-4cf8-abae-1e06e2b50e2e%40googlegroups.com.
