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- douruocai4111 2017-01-16 02:04关注
You cannot determine when a specific model attribute has been last updated without some tracking of the attribute changes.
If timestamps are not an option, I'd highly suggest you to opt for an audit log system that has a database composed like this:
id | entity_id | entity_type | attribute | old_value | new_value | created_at
Everytime an attribute changes, you create a new entry in the database, logging the old and the new value.
You can also add a new column to specify who has made a particular change!
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