Use roaring bitmaps for RecordId deduplication in IndexScan stage

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    • Type: Task
    • Resolution: Fixed
    • Priority: Major - P3
    • 8.0.0-rc0
    • Affects Version/s: None
    • Component/s: None
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    • Query Optimization
    • Fully Compatible
    • QO 2024-04-01
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    • 3
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      Deduplication of record ids in index scans can use unbounded memory in the query subsystem. While we consider longer term solutions to this problem, we should consider whether we can gain some immediate benefit from choosing a different data structure for deduplication.

              Assignee:
              Alexander Ignatyev
              Reporter:
              Alexander Ignatyev
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                Created:
                Updated:
                Resolved: