Eliminate mkbson stage when multiple $group stages are pushed down

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    • Type: Task
    • Resolution: Fixed
    • Priority: Major - P3
    • 5.2.0
    • Affects Version/s: None
    • Component/s: None
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    • Fully Compatible
    • QE 2021-11-01
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      Eliminate PROJECT_SIMPLE for the following query solution tree.

      GROUP - GROUP - PROJECTION_SIMPLE

      This is a prerequisite to remove intermediate mkbson stage between GROUP and GROUP.

      And then we can remove intermediate mkbson stage.

            Assignee:
            Yoon Soo Kim (Inactive)
            Reporter:
            Yoon Soo Kim (Inactive)
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              Created:
              Updated:
              Resolved: