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  1. MariaDB Server
  2. MDEV-35641

foreign server "disappears" after ALTERing the servers system table to use innodb and FLUSH PRIVILEGES

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    Description

      Not sure if it counts as a bug since system tables are not supposed to be altered by users. Split from MDEV-35557 for tracking / documentation purposes at least:

      CREATE SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS (HOST '127.0.0.1');
      		 
      ALTER TABLE mysql.servers ENGINE=innodb;
      		 
      FLUSH PRIVILEGES;
      		 
      drop server s1;

      results in

      temp.mdev_35557                          [ fail ]
      		 
              Test ended at 2024-12-13 16:28:12
      		 
       
      		 
      CURRENT_TEST: temp.mdev_35557
      		 
      mysqltest: At line 22: query 'drop server s1' failed: 1477: The foreign server name you are trying to reference does not exist. Data source error:  s1

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          split from

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35557 SIGSEGV in get_server_from_table_to_cache | servers_load, UBSAN null pointer passed as argument 1, which is declared to never be null

          • Major - Major loss of function.
          • Closed

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              ycp Yuchen Pei
              ycp Yuchen Pei
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                Updated:
                Resolved:

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