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  1. Core Server
  2. SERVER-68934

Audit treatment of Nothing in lowering code

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    • Icon: Task Task
    • Resolution: Fixed
    • Icon: Major - P3 Major - P3
    • 6.3.0-rc0
    • None
    • None
    • None
    • Query Optimization
    • Fully Compatible
    • QO 2023-01-23

    Description

      This ticket is to audit treatment of Nothing in the lowering code to understand where & why we need fillEmpty and to see if handling of Nothing is missing anywhere.

      For example, when lowering PathComposeA/M in the Filter context, we use fillEmpty on the first child path, which is the input to an If expression. Is this necessary? Should we have a fillEmpty on the second path as well?

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            davis.haupt@mongodb.com Davis Haupt (Inactive)
            hana.pearlman@mongodb.com Hana Pearlman
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