Invalidating any existing session olish dating
For objects¶ – Optional; restricts the flush operation to operate only on elements that are in the given collection.Note that a highly isolated transaction will return the same values as were previously read in that same transaction, regardless of changes in database state outside of that transaction.To expire all objects in the object’s current transactional context in order to load all expired attributes for the given instance.The “partial rollback” state refers to when an “inner” transaction, typically used during a flush, encounters an error and emits a rollback of the DBAPI connection.
At this point, the block as long as it doesn’t enter “partial rollback” state.
Note that this ‘dirty’ calculation is ‘optimistic’; most attribute-setting or collection modification operations will mark an instance as ‘dirty’ and place it in this set, even if there is no net change to the attribute’s value.
Invalidating any existing session comments