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Type:
Improvement
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: Aggregation Framework
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Labels:
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Fully Compatible
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Query Optimization 2021-06-14, Query Optimization 2021-06-28, Query Optimization 2021-07-12, Query Optimization 2021-07-26, QO 2021-09-06, Query Optimization 2021-08-09, QO 2021-09-20, QO 2021-10-04, QO 2021-10-18, QO 2021-11-01, QO 2021-11-15, QO 2021-11-29, QO 2021-12-13, QO 2021-12-27, QO 2022-01-10, QO 2022-01-24, QO 2022-02-07, QO 2022-02-21, QO 2022-03-07, QO 2022-03-21, QO 2021-08-23, QO 2022-04-04, QO 2022-04-18, QO 2022-05-02, QO 2022-05-16, QO 2022-05-30, QO 2022-06-13, QO 2022-06-27, QO 2022-07-11
The optimization described in SERVER-9507 can be applied to $group expressions that exclusively use $last accumulators by running the DISTINCT_SCAN in the reverse direction.
- is related to
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- Closed
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- related to
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- Closed
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