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  1. MariaDB Server
  2. MDEV-23366

ROUND(18446744073709551615,rand()*0) 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,rand()*0) AS c1,
      		 
        ROUND(18446744073709551615.0,rand()*0) AS c2;


      +----------------------+------------------------+
      		 
      | c1                   | c2                     |
      		 
      +----------------------+------------------------+
      		 
      | 18446744073709552000 | 18446744073709551615.0 |
      		 
      +----------------------+------------------------+

      The result for c1 is wrong. It should be equal to 18446744073709551615, like c2, just without the '.0' part.

      Attachments

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-23032 FLOOR()/CEIL() incorrectly calculate the precision of a DECIMAL(M,D) column.

          • Major - Major loss of function.
          • Closed

          Activity

            Ascending order - Click to sort in descending order
            bar Alexander Barkov created issue -
            bar Alexander Barkov made changes -
            Field Original Value New Value
            bar Alexander Barkov made changes -
            Description {code:sql}
            SELECT
              ROUND(18446744073709551615,rand()*0) AS c1,
              ROUND(18446744073709551615.0,rand()*0) AS c2;
            {code}
            {noformat}
            +----------------------+------------------------+
            | c1 | c2 |
            +----------------------+------------------------+
            | 18446744073709552000 | 18446744073709551615.0 |
            +----------------------+------------------------+
            {noformat}

            The result for c1 is wrong. It should be equal to 18446744073709552000, like in c2, just without the '.0' part.

            		{code:sql}
            SELECT
              ROUND(18446744073709551615,rand()*0) AS c1,
              ROUND(18446744073709551615.0,rand()*0) AS c2;
            {code}
            {noformat}
            +----------------------+------------------------+
            | c1 | c2 |
            +----------------------+------------------------+
            | 18446744073709552000 | 18446744073709551615.0 |
            +----------------------+------------------------+
            {noformat}

            The result for c1 is wrong. It should be equal to 18446744073709551615, like c2, just without the '.0' part.

            bar Alexander Barkov made changes -
            issue.field.resolutiondate 2020-08-03 06:54:56.0 2020-08-03 06:54:56.417
            bar Alexander Barkov made changes -
            Fix Version/s 10.4.14 [ 24305 ]
            Fix Version/s 10.5.5 [ 24423 ]
            Fix Version/s 10.4 [ 22408 ]
            Resolution Fixed [ 1 ]
            Status Open [ 1 ] Closed [ 6 ]
            serg Sergei Golubchik made changes -
            Workflow MariaDB v3 [ 111881 ] MariaDB v4 [ 158183 ]

            People

              bar Alexander Barkov
              bar Alexander Barkov
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              Dates

                Created:
                Updated:
                Resolved:

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