Aggregation Framework Support for 3.4

SERVER-5781 Implement $addFields aggregation stage for using expression language to add new fields to a document

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• Closed

SERVER-6146 aggregation framework should have an $in expression

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• Closed

SERVER-22580 Add $cpLength and $cpSubstr expressions which work via code points

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• Closed

SERVER-23313 Add a $replaceRoot stage which allows promoting a sub-document to the top level

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• Closed

SERVER-23815 Add $bucket aggregation stage

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• Closed

SERVER-23816 Add $sortByCount aggregation stage

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• Closed

SERVER-23836 add $count stage to aggregation

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• Closed

SERVER-24152 Add $bucketAuto stage

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• Closed

SERVER-20163 aggregation: Should have a $zip operator to combine arrays

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• Closed

SERVER-20169 aggregation: Should have a $range operator to generate a sequence.

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• Closed

SERVER-24676 Implement support for maxStalenessMS in the ReplicaSetMonitor

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• Closed

SERVER-23725 Implement $graphLookup.

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• Closed

SERVER-10689 Add a $switch expression

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• Closed

SERVER-17258 Add $reduce expression operator for rollup of arrays

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• Closed

SERVER-23654 Add $facet aggregation stage

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• Closed

SERVER-6773 Aggregation operator $split for splitting string based on a separator

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• Closed

SERVER-23029 Aggregation should have a $reverseArray expression.

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• Closed

SERVER-7695 Add variants of $week, $year, $dayOfWeek that conform to the ISO-6801 spec

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• Closed

SERVER-8951 Add $findChar or $indexOf operator for strings to find position of specific character (or substring)

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• Closed

SERVER-11400 Need a type conversion mechanism to convert between strings and numbers

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• Closed

SERVER-13447 provide $projection operator to get type of field

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• Closed

SERVER-14670 Add expressions to determine the length of a string

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• Closed

SERVER-18966 Allow exclusion in $project stage of aggregation pipeline

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• Closed