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  1. Core Server
  2. SERVER-57053

Rewriting $nor with a $text predicate to $not is invalid

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    • Fully Compatible
    • ALL
    • v5.0, v4.4, v4.2, v4.0
    • Query Execution 2021-05-31
    • 170

    Description

      When $nor expression has a single child node which contains a $text predicate, rewriting it to $not is invalid, since we forbid such constructs at the grammar level (since $text can only be applied to top-level documents). Applying this rewrite rule to such query could lead to incorrect plan selection.

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            anton.korshunov@mongodb.com Anton Korshunov
            anton.korshunov@mongodb.com Anton Korshunov
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              Updated:
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