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  1. MariaDB Server
  2. MDEV-18692

Unexpected ER_TABLE_NOT_LOCKED_FOR_WRITE on DDL on table under WRITE CONCURRENT lock

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Details

    • Bug
    • Status: Open (View Workflow)
    • Minor
    • Resolution: Unresolved
    • 5.5, 10.0, 10.1, 10.2, 10.3, 10.4
    • 10.4
    • Locking
    • None

    Description

      CREATE TABLE t1 (a INT);
      		 
      LOCK TABLE t1 WRITE CONCURRENT;
      		 
      ALTER TABLE t1;
      		 
       
      		 
      # Cleanup
      		 
      UNLOCK TABLES;
      		 
      DROP TABLE t1;


      mysqltest: At line 3: query 'ALTER TABLE t1' failed: 1099: Table 't1' was locked with a READ lock and can't be updated

      I don't know if DDL under this kind of lock is supposed to be allowed or not. But if it is prohibited, it should be documented. Besides, it might deserve a better error message.

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            wlad Vladislav Vaintroub
            elenst Elena Stepanova
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            Dates

              Created:
              Updated:

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