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Type:
Task
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Resolution: Unresolved
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: None
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None
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Query Optimization
Extend the accuracy test with the non-histogrammable but estimable types which are supported by type counts. This includes true, false, null, NaN, and empty array [].
Example generated data:
> db.coll.find()
{a: true}
{a: false}
{a: null}
{a: []}
{a: NaN}
Example intervals:
// non-histogrammable but estimable types (false, true] // find({a: {$gt: false}}) [true, true] // find({a: {$gte: true}}) [null, null] // find({a: {$lte: null}}) [nan.0, nan.0] // find({a: {$gte: NaN}}) [[], []] // find({a: {$eq: []}})