$isolated is a "query operator" that has special meaning in the context of an update/delete, and is ignored in other contexts. Operations that attempt to use $isolated in such other contexts should fail with an error (such as find({$isolated: 1})).
Eventually, the $isolated operator should be taken out of the predicate language entirely, and replaced with an option to the update/delete commands.
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SERVER-12307 Provide a means in query framework to efficiently determine if a query is $isolated
- Closed