I have a flattened many-to-many relationship from item to option which
uses
three tables: item, option, and item_option. The item object has a
flattened
attribute called options.
If you didn't ask EOModeler to build this many-to-many relationship,
you might try doing so because building one manually is difficult to do
correctly.
When I add an option to the options list using
anItem.addToOptions(anOption) I get the following SQL on saveChanges()
When I remove an option from the options list using
anItem.removeFromOptions(anOption) then I get the following SQL on
saveChanges()
Generally, atItem.addObjectToBothSidesOfRelationshipWithKey("options")
and anItem.removeObjectFromBothSidesOfRelationshipWithKey("options")
should be used. These invoke addToOptions() and removeFromOptions(),
respectively, but they also correctly manage the inverse relationship,
Option.items.
Aloha,
Art
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