Changes between Version 6 and Version 7 of NonSqlBackends
- Timestamp:
- Aug 12, 2009, 4:16:52 AM (15 years ago)
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NonSqlBackends
v6 v7 23 23 == delete() == 24 24 25 model.delete() collects all referenced objects using _collect_sub_objects(). For non-sql backends this is not always possible, for example, when running in a transaction on App Engine (only entities in the same entity group can be fetched from the datastore). 25 model.delete() collects all referenced objects using _collect_sub_objects(). For non-sql backends this is not always possible, for example, when running in a transaction on App Engine (only entities in the same entity group can be fetched from the datastore). This means that we can't guarantee referential integrity and we can't efficiently emulate SQL in this case. 26 26 27 27 = Transactions =