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  1. MariaDB Server
  2. MDEV-21097

Incorrect error message when trying to delete column which is part of unique key constraint

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Duplicate
    • 10.2.29
    • N/A
    • Data Definition - Alter Table
    • None
    • CentOS release 6.8 (Final)
      Mariadb 10.2.29

    Description

      MariaDB [mydb]> create table emp( name varchar(11), id int(11));
      MariaDB [mydb]> ALTER TABLE emp
      -> ADD CONSTRAINT websites_unique UNIQUE (id,name);
      Query OK, 0 rows affected (0.01 sec)
      Records: 0 Duplicates: 0 Warnings: 0

      MariaDB [mydb]> desc emp;
      -------------------------------------+

      Field Type Null Key Default Extra

      -------------------------------------+

      name varchar(11) YES   NULL  
      id int(11) YES MUL NULL  

      -------------------------------------+
      2 rows in set (0.00 sec)

      MariaDB [mydb]> alter table emp drop column id;
      *ERROR 1072 (42000): Key column 'id' doesn't exist in table
      *MariaDB [mydb]>

      Attachments

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-14738 Replication breaks when dropping a column of a combined primary key (with a confusing error message)

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Confirmed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-11114 Cannot drop column referenced by CHECK constraint

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-13613 Dropping column from table that is part of a key fails in 10.2.8

          • Major - Major loss of function.
          • Closed

          Activity

            People

              Unassigned Unassigned
              rockstar85 Amar
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              Dates

                Created:
                Updated:
                Resolved:

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