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  1. MariaDB Server
  2. MDEV-23323

Rounding functions return a wrong data type for a BIT, ENUM, SET argument

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

      CREATE OR REPLACE TABLE t1 (a BIT(64));
      		 
      INSERT INTO t1 VALUES (0xFFFFFFFFFFFFFFFF);
      		 
      CREATE OR REPLACE TABLE t2 AS
      		 
        SELECT a, FLOOR(a), CEILING(a), TRUNCATE(a,0), ROUND(a) FROM t1;
      		 
      SHOW CREATE TABLE t2;


      +-------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
      		 
      | Table | Create Table                                                                                                                                                                                                                                                                    |
      		 
      +-------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
      		 
      | t2    | CREATE TABLE `t2` (
      		 
        `a` bit(64) DEFAULT NULL,
      		 
        `FLOOR(a)` decimal(64,0) DEFAULT NULL,
      		 
        `CEILING(a)` decimal(64,0) DEFAULT NULL,
      		 
        `TRUNCATE(a,0)` bigint(64) unsigned DEFAULT NULL,
      		 
        `ROUND(a)` decimal(64,0) unsigned DEFAULT NULL
      		 
      ) ENGINE=InnoDB DEFAULT CHARSET=latin1 |
      		 
      +-------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

      The data type for all columns with functions are wrong. The expected data type is BIGINT(20) UNSIGNED.

      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 added a comment - - edited

            The same problem is repeatable with ENUM:

            CREATE OR REPLACE TABLE t1 (a ENUM('999999999999999999999999999999999999999999999999999999999999'));
            		 
            INSERT INTO t1 VALUES (1);
            		 
            CREATE OR REPLACE TABLE t2 AS
            		 
              SELECT a, FLOOR(a), CEILING(a), TRUNCATE(a,0), ROUND(a) FROM t1;
            		 
            SHOW CREATE TABLE t2;


            +-------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
            		 
            | Table | Create Table                                                                                                                                                                                                                                                                                                                |
            		 
            +-------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
            		 
            | t2    | CREATE TABLE `t2` (
            		 
              `a` enum('999999999999999999999999999999999999999999999999999999999999') DEFAULT NULL,
            		 
              `FLOOR(a)` decimal(60,0) DEFAULT NULL,
            		 
              `CEILING(a)` decimal(60,0) DEFAULT NULL,
            		 
              `TRUNCATE(a,0)` double(17,0) DEFAULT NULL,
            		 
              `ROUND(a)` double(17,0) DEFAULT NULL
            		 
            ) ENGINE=InnoDB DEFAULT CHARSET=latin1 |
            		 
            +-------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

            The same problem is repeatable with SET:

            CREATE OR REPLACE TABLE t1 (a SET('999999999999999999999999999999999999999999999999999999999999'));
            		 
            INSERT INTO t1 VALUES (1);
            		 
            CREATE OR REPLACE TABLE t2 AS
            		 
              SELECT a, FLOOR(a), CEILING(a), TRUNCATE(a,0), ROUND(a) FROM t1;
            		 
            SHOW CREATE TABLE t2;


            +-------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
            		 
            | Table | Create Table                                                                                                                                                                                                                                                                                                               |
            		 
            +-------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
            		 
            | t2    | CREATE TABLE `t2` (
            		 
              `a` set('999999999999999999999999999999999999999999999999999999999999') DEFAULT NULL,
            		 
              `FLOOR(a)` decimal(60,0) DEFAULT NULL,
            		 
              `CEILING(a)` decimal(60,0) DEFAULT NULL,
            		 
              `TRUNCATE(a,0)` double(17,0) DEFAULT NULL,
            		 
              `ROUND(a)` double(17,0) DEFAULT NULL
            		 
            ) ENGINE=InnoDB DEFAULT CHARSET=latin1 |
            		 
            +-------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

            bar Alexander Barkov added a comment - - edited The same problem is repeatable with ENUM: CREATE OR REPLACE TABLE t1 (a ENUM( '999999999999999999999999999999999999999999999999999999999999' )); INSERT INTO t1 VALUES (1); CREATE OR REPLACE TABLE t2 AS SELECT a, FLOOR(a), CEILING(a), TRUNCATE (a,0), ROUND(a) FROM t1; SHOW CREATE TABLE t2; +-------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Table | Create Table | +-------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | t2 | CREATE TABLE `t2` ( `a` enum('999999999999999999999999999999999999999999999999999999999999') DEFAULT NULL, `FLOOR(a)` decimal(60,0) DEFAULT NULL, `CEILING(a)` decimal(60,0) DEFAULT NULL, `TRUNCATE(a,0)` double(17,0) DEFAULT NULL, `ROUND(a)` double(17,0) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 | +-------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ The same problem is repeatable with SET: CREATE OR REPLACE TABLE t1 (a SET ( '999999999999999999999999999999999999999999999999999999999999' )); INSERT INTO t1 VALUES (1); CREATE OR REPLACE TABLE t2 AS SELECT a, FLOOR(a), CEILING(a), TRUNCATE (a,0), ROUND(a) FROM t1; SHOW CREATE TABLE t2; +-------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Table | Create Table | +-------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | t2 | CREATE TABLE `t2` ( `a` set('999999999999999999999999999999999999999999999999999999999999') DEFAULT NULL, `FLOOR(a)` decimal(60,0) DEFAULT NULL, `CEILING(a)` decimal(60,0) DEFAULT NULL, `TRUNCATE(a,0)` double(17,0) DEFAULT NULL, `ROUND(a)` double(17,0) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 | +-------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
            bar Alexander Barkov made changes -
            Summary Rounding functions return a wrong data type for a BIT argument Rounding functions return a wrong data type for a BIT, ENUM, SET argument
            bar Alexander Barkov made changes -
            Status Open [ 1 ] In Progress [ 3 ]
            bar Alexander Barkov made changes -
            issue.field.resolutiondate 2020-07-30 04:06:30.0 2020-07-30 04:06:30.483
            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 ]
            serg Sergei Golubchik made changes -
            Workflow MariaDB v3 [ 111772 ] MariaDB v4 [ 158159 ]

            People

              bar Alexander Barkov
              bar Alexander Barkov
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              Dates

                Created:
                Updated:
                Resolved:

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