PHP ORM's, multiple tables and efficiency
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        Published on 2010-06-02T09:05:29Z
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Let's say I have a data mapper function that aggregates multiple tables and generates an object instance from that data. The mapper has a typical save() method which delegates to update/insert.
When the mapper executes save - ideally it isolates object fields that have been modified, thus preventing the code from blanket bombing the database.
How would you go about this?
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