Details
Description
Implement the $accumulator operator, which will let users create their own accumulators in $group.
Restrict this new operator to FCV 4.4.
Attachments
Issue Links
- depends on
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SERVER-85021 POC for $accumulator, MR on $accumulator
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- Closed
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- is depended on by
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SERVER-45450 Improve the performance of $accumulator
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- Closed
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- is documented by
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DOCS-13468 Investigate changes in SERVER-45447: Implement $accumulator
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- Closed
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