We use a projection in order to look for a covered and fast-distinct compatible solution. We shouldn't keep this projection in the query if we can't make a fast distinct compatible solution.
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SERVER-12878 Aggregations that do not return cursors need to clean up internal cursors
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- Closed
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SERVER-10026 New query system
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- Closed
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SERVER-2094 distinct cheat with indexes
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- Closed
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- Closed
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