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  1. MariaDB Server
  2. MDEV-25172

Wrong error message for ADD COLUMN .. AS ROW START

Details

    Description

      Not quite all dropped:

      CREATE OR REPLACE TABLE t (
      		 
      x INT
      		 
      ) WITH SYSTEM VERSIONING;
      		 
       
      		 
      ALTER TABLE t DROP SYSTEM VERSIONING;
      		 
       
      		 
      ALTER TABLE t ADD COLUMN ts TIMESTAMP(6) GENERATED ALWAYS AS ROW START;

      Last alter table results in:

      Duplicate ROW START column `ts`

      https://dbfiddle.uk/?rdbms=mariadb_10.3&fiddle=977d0152bbfc5a7162efd85db312d7c8

      Same error occurs on fresh table. SO its just an odd misleading error message.

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        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-16130 wrong error message adding AS ROW START to versioned table

          • Major - Major loss of function.
          • Closed

          Activity

            Ascending order - Click to sort in descending order
            alice Alice Sherepa added a comment - 

            MariaDB [test]> create table t(i int);
            		 
            Query OK, 0 rows affected (0.151 sec)
            		 
             
            		 
            MariaDB [test]> ALTER TABLE t ADD COLUMN ts TIMESTAMP(6) GENERATED ALWAYS AS ROW START;
            		 
            ERROR 4134 (HY000): Duplicate ROW START column `ts`

            alice Alice Sherepa added a comment - MariaDB [test]> create table t(i int); Query OK, 0 rows affected (0.151 sec)   MariaDB [test]> ALTER TABLE t ADD COLUMN ts TIMESTAMP(6) GENERATED ALWAYS AS ROW START; ERROR 4134 (HY000): Duplicate ROW START column `ts`
            nikitamalyavin Nikita Malyavin added a comment -

            oktopush

            nikitamalyavin Nikita Malyavin added a comment - oktopush

            People

              midenok Aleksey Midenkov
              danblack Daniel Black
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              Dates

                Created:
                Updated:
                Resolved:

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