Looking at the code in loading I see where instance state is
getting set to unmodified.
attr.py in _instance at line 975:
if effective_populate_existing or state.modified:
if refresh_state and only_load_props:
state._commit(dict_, only_
The load and refresh events is close to what I am looking for.
I need to be able to modify attribute of object/instance that have been
load or refreshed. I can not do the work in load or refresh event because
any changes made in the events are not track and written out on a flush/commit.
.
I am u
they're created as the result object is iterated, which is up to how the end
user handles the result.
there's a not-yet documented execution option you can use to prebuffer the rows:
orm_execute_state.update_execution_options(prebuffer_rows=True)
result = orm_execute_state.invoke_stateme
That callback look like it happening before orm instances are created. I am
looking for a
callback that is after all the instances are created. I am using the events to
get a list of instances
that need work done when they are loaded from the database.
I need the instance data and relationship
the event that corresponds most directly here is the do_orm_execute() event:
https://docs.sqlalchemy.org/en/14/orm/session_events.html#session-execute-events
you would want to use the "re-execute statement" feature described at:
https://docs.sqlalchemy.org/en/14/orm/session_events.html#re-execu
I am moving from version 1.0.14 to version 1.4.11 of sqlalchemy.
I need to get a callback when all of the data from orm query is loaded not just
single instance.
In the 1.0 version I created the session using query_cls:
self.session = Session(bind=engine, autoflush=False,
_enable_transa
