Changes between Version 6 and Version 7 of NonSqlBackends


Ignore:
Timestamp:
08/12/2009 04:16:52 AM (6 years ago)
Author:
wkornewald
Comment:

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  • NonSqlBackends

    v6 v7  
    2323== delete() ==
    2424
    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).
     25model.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.
    2626
    2727= Transactions =
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