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  1. MariaDB Server
  2. MDEV-28030

row_discard_tablespace_for_mysql() can unlock data dictionary without locking data dictionary

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      row_discard_tablespace_for_mysql() can call row_mysql_unlock_data_dictionary() without locking it.

      if (fts_exist)
        {     
          fts_optimize_remove_table(table);
          purge_sys.stop_FTS(*table);
          err= fts_lock_tables(trx, *table);
          if (err != DB_SUCCESS)
          {
      rollback:
            if (fts_exist)
            {
              purge_sys.resume_FTS();
              fts_optimize_add_table(table);
            } 
            trx->rollback();
            row_mysql_unlock_data_dictionary(trx);
            return err;
          }
        }
       
        row_mysql_lock_data_dictionary(trx);
        trx->op_info = "discarding tablespace";
        trx->dict_operation= true;
       
        /* We serialize data dictionary operations with dict_sys.latch:
        this is to avoid deadlocks during data dictionary operations */
       
        err= row_discard_tablespace_foreign_key_checks(trx, table);
        if (err != DB_SUCCESS)
          goto rollback;
      

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              Assignee:
              thiru Thirunarayanan Balathandayuthapani
              Reporter:
              thiru Thirunarayanan Balathandayuthapani
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                Updated:
                Resolved:

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