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  1. Core Server
  2. SERVER-45148

Consider allowing nullish values for the $merge 'on' field

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    • Type: Icon: Improvement Improvement
    • Resolution: Unresolved
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: None
    • Labels:
    • Query Optimization

      Please note that adding this support would also allow for the mapReduce commands merge and reduce output modes when grouping key is missing or null.

            Assignee:
            backlog-query-optimization [DO NOT USE] Backlog - Query Optimization
            Reporter:
            james.wahlin@mongodb.com James Wahlin
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              Created:
              Updated: