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  1. Core Server
  2. SERVER-89596

Modify sharded_lookup_execution.js to make the relevant lookup pipelines uncorrelated

    • Type: Icon: Task Task
    • Resolution: Won't Do
    • Priority: Icon: Major - P3 Major - P3
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    • Query Execution
    • QE 2024-04-29
    • 141

      With the group+match optimisation in SERVER-73241, for some of the tests in sharded_lookup_execution.js having lookups with subpipeline containing non-correlated pipeline prefix, the subpipeline becomes correlated due to the match stages being optimised before the $group. Since this defeats the purpose of the original test of having non-correlated subpipeline prefix and caching the result, modify the query to make it non-correlated again.

            Assignee:
            projjal.chanda@mongodb.com Projjal Chanda
            Reporter:
            projjal.chanda@mongodb.com Projjal Chanda
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