SERVER-20595 Unwind with includeArrayIndex produces different structure results for arrays and non-arrays

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• Closed

JAVA-2001 Projection builder support for array indexing operator

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SERVER-4588 aggregation: add option to $unwind to emit array index

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SERVER-20504 Name aggregation operator for lookup: $lookup

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SERVER-8141 Avoid treating arrays as literals in the aggregation pipeline

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SERVER-17943 add $filter expression to $project to work with $map and $reduce

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SERVER-14872 Aggregation pipeline project expression operator to concatenate multiple arrays into one

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SERVER-18222 Add $isArray aggregation expression

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JAVA-1957 Add an option to $unwind to include documents with empty arrays

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SERVER-533 Aggregation stage to randomly sample documents

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SERVER-4589 aggregation: need an array indexing operator

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SERVER-5044 $stdDev aggregation operator for standard deviation

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SERVER-6074 Allow $slice operator in $project

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SERVER-8568 $sqrt operator for the Aggregation Framework

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SERVER-14421 Support minDistance for $geoNear aggregation operator

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SERVER-18427 Request for log and exponential arithmetic operators in aggregation pipeline

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SERVER-19095 $lookup

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SERVER-19548 Add aggregation expressions for $floor, $ceil, and $trunc

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SERVER-9625 Support many accumulators in aggregation framework as expressions

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SERVER-20168 Add an option to $unwind to include documents with empty arrays

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• Closed

SERVER-10176 Implement $abs (absolute value) operator for aggregation framework

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• Closed