mistral/releasenotes/notes/using_passive_deletes_in_sqlalchemy-4b3006b3aba55155.yaml
Toure Dunnon d3c6bf7767 Release note for using "passive_deletes=True"
This update includes a small change to mention memory
savings for the new configuration option.

Change-Id: Ic8d55adbfb802b8aff2000c2e4edf279c53f6bde
2018-05-17 10:43:32 -04:00

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YAML

---
fixes:
- |
Used "passive_deletes=True" in the configuration of relationships in
SQLAlchemy models. This improves deletion of graphs of related objects
stored in DB because dependent objects don't get loaded prior to
deletion which also reduces the memory requirement on the system.
More about using this flag can be found at:
http://docs.sqlalchemy.org/en/latest/orm/collections.html#using-passive-deletes