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  1. MariaDB Server
  2. MDEV-23311

CEILING() and FLOOR() convert temporal input to numbers, unlike ROUND() and TRUNCATE()

Details

    Description

      Under terms of MDEV-20397 we modified functions ROUND() and TRUNCATE() to handle the TIME, DATETIME, TIMESTAMP data types correctly:

      SELECT ROUND(time'00:00:01.9'), TRUNCATE(TIMESTAMP'2001-01-01 00:00:01.9',0);


      +-------------------------+----------------------------------------------+
      		 
      | ROUND(time'00:00:01.9') | TRUNCATE(TIMESTAMP'2001-01-01 00:00:01.9',0) |
      		 
      +-------------------------+----------------------------------------------+
      		 
      | 00:00:02                | 2001-01-01 00:00:01                          |
      		 
      +-------------------------+----------------------------------------------+

      But the functions CEILING() and FLOOR() still convert temporal data types to numbers:

      SELECT CEILING(time'00:00:01.9'), FLOOR(TIMESTAMP'2001-01-01 00:00:01.9');


      +---------------------------+-----------------------------------------+
      		 
      | CEILING(time'00:00:01.9') | FLOOR(TIMESTAMP'2001-01-01 00:00:01.9') |
      		 
      +---------------------------+-----------------------------------------+
      		 
      |                         2 |                          20010101000001 |
      		 
      +---------------------------+-----------------------------------------+

      CEILING() and FLOOR() should be fixed to return TIME (for TIME input) and DATETIME (for DATETIME and TIMESTAMP input), like ROUND() and TRUNCATE() do.

      Attachments

        Issue Links

          relates to

          Task - A task that needs to be done. MDEV-20397 Support TIMESTAMP, DATETIME, TIME in ROUND() and TRUNCATE()

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

          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

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            bar Alexander Barkov created issue -
            bar Alexander Barkov made changes -
            Field Original Value New Value
            bar Alexander Barkov made changes -
            Status Open [ 1 ] In Progress [ 3 ]
            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 In Progress [ 3 ] Closed [ 6 ]
            bar Alexander Barkov made changes -
            serg Sergei Golubchik made changes -
            Workflow MariaDB v3 [ 111749 ] MariaDB v4 [ 158154 ]

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              bar Alexander Barkov
              bar Alexander Barkov
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              Dates

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                Updated:
                Resolved:

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