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  1. HHH-13162

Upgrade MySQL and MariaDB Dialects as they support UNION ALL

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects versions: 5.4.0
    • Fix versions: 5.4.1
    • Components: hibernate-core
    • Labels:
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    • Last commented by a user?:
      true
    • Sprint:

      Description

      After reviewing this issue, I noticed that MySQL and MariaDB are taking advantage of UNION ALL in TABLE_PER_CLASS, falling back to using UNION which does an extra sort and duplicate removal that are not necessary.

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            • Assignee:
              mih_vlad Vlad Mihalcea
              Reporter:
              mih_vlad Vlad Mihalcea
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                Updated:
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