Simon, thank you for the reference! That makes sense… Jens
On Wednesday, February 21, 2018 at 7:15:20 PM UTC+10, Simon King wrote: > > SQLAlchemy doesn't connect to the database until it needs to. Creating > a Session by itself does not cause it to connect. This is mentioned in > the docs: > > http://docs.sqlalchemy.org/en/latest/orm/session_basics.html > > """ > The Session begins in an essentially stateless form. Once queries are > issued or other objects are persisted with it, it requests a > connection resource from an Engine that is associated either with the > Session itself or with the mapped Table objects being operated upon. > This connection represents an ongoing transaction, which remains in > effect until the Session is instructed to commit or roll back its > pending state. > """ > > Hope that helps, > > Simon > -- 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.
