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  1. MariaDB Server
  2. MDEV-23368

ROUND(18446744073709551615,-11) returns a wrong result

Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.1(EOL), 10.2(EOL), 10.3(EOL), 10.4(EOL), 10.5
    • 10.4.14, 10.5.5
    • Data types
    • None

    Description

      SELECT ROUND(18446744073709551615,-10), ROUND(18446744073709551615,-11);


      +---------------------------------+---------------------------------+
      		 
      | ROUND(18446744073709551615,-10) | ROUND(18446744073709551615,-11) |
      		 
      +---------------------------------+---------------------------------+
      		 
      |            18446744070000000000 |                     26290448384 |
      		 
      +---------------------------------+---------------------------------+

      The result for the second columns is wrong. The expected result is 18446744100000000000.

      Attachments

        Activity

          bar Alexander Barkov added a comment -

          The problem is also repeatable starting with 10.4 with a hex hybrid:

          SELECT ROUND(18446744073709551615,-10), ROUND(18446744073709551615,-11);


          +---------------------------------+---------------------------------+
          		 
          | ROUND(18446744073709551615,-10) | ROUND(18446744073709551615,-11) |
          		 
          +---------------------------------+---------------------------------+
          		 
          |            18446744070000000000 |                     26290448384 |
          		 
          +---------------------------------+---------------------------------+

          bar Alexander Barkov added a comment - The problem is also repeatable starting with 10.4 with a hex hybrid: SELECT ROUND(18446744073709551615,-10), ROUND(18446744073709551615,-11); +---------------------------------+---------------------------------+ | ROUND(18446744073709551615,-10) | ROUND(18446744073709551615,-11) | +---------------------------------+---------------------------------+ | 18446744070000000000 | 26290448384 | +---------------------------------+---------------------------------+

          People

            bar Alexander Barkov
            bar Alexander Barkov
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            Dates

              Created:
              Updated:
              Resolved:

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