On Tue, Sep 19, 2017 at 4:06 PM, <m...@benchling.com> wrote: > Just checking, but one scenario where "after flush before commit" would not > work is when all changes are flushed immediately before a commit, right? > In that case, "commit" would not automatically be preceded by a "flush" (and > the "after_flush_postexec" code would not run because no token from > "before_commit" has been set).
if there is nothing to flush, like there's no objects or no attributes have been modified, then when commit() is called, it is usually the case that no flush occurs and you would not see these events. > > e.g., > # make some changes > session.flush() > session.commit() # Does not kick off its own flush > > On Tuesday, September 19, 2017 at 6:27:12 AM UTC-7, Mike Bayer wrote: >> >> On Tue, Sep 19, 2017 at 12:19 AM, <mi...@benchling.com> wrote: >> > Followup question -- this the following order of events guaranteed? >> > >> > before_commit --> after_flush --> after_flush_post_exec >> > >> > i.e., is an after_flush_post_exec guaranteed to run after the >> > before_commit >> > preceding a commit? >> >> if the flush didn't raise then yes. >> >> >> > >> > -- >> > 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+...@googlegroups.com. >> > To post to this group, send email to sqlal...@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. -- 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.
