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  1. Core Server
  2. SERVER-13184

2.6 should explore same number of one index solns as 2.4

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.6.0-rc2
    • Component/s: Querying
    • Labels:
      None
    • Operating System:
      ALL

      Description

      1. Figure out how many single index solns 2.4 would explore.

      2. Explore the same number in 2.6

      3. Don't explore tons of ixisect solns while doing this...should still cap the # of those explored pretty low.

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          is duplicated by

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-1215 speculatively evaluate multiple query plans for each $or clause (even after 101 matches found for query)

          • Major - P3 - Major loss of function.
          • Closed
          is related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-13104 Plan enumerator doesn't enumerate all possibilities for a nested $or

          • Minor - P4 - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-13236 Consider not enumerating index intersection solutions unless the AND is top-level

          • Major - P3 - Major loss of function.
          • Closed
          related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-13732 Predicates in top-level implicit AND query not considered when generating index access plan for contained OR

          • Critical - P2 - Crashes, loss of data, severe memory leak.
          • Closed

          Task - A task that needs to be done. DOCS-2934 Document : changes to the number of enumerated plans for an OR

          • Major - P3 - Major loss of function.
          • Closed

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                Dates

                • Created:
                  Updated:
                  Resolved: