IndexDescriptor::isSparse should return true for wildcard indexes

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    • Type: Task
    • Resolution: Unresolved
    • Priority: Major - P3
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    • Catalog and Routing
    • CAR Team 2025-10-27
    • 🟦 Shard Catalog
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      Wildcard indexes are effectively sparse indexes, even though they are not explicitly marked as sparse in the catalog.

      I suggest updating IndexDescriptor::isSparse() to return true for wildcard indexes.

      This will prevent bugs caused by code that rely on this method to implement a different behavior for sparse indexes, like SERVER-103774.

            Assignee:
            Paolo Polato
            Reporter:
            Silvia Surroca
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              Created:
              Updated: