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  1. MariaDB Server
  2. MDEV-9841

Window functions: embedded server fails to start due to error code conflicts

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      Description

      In window functions tree, embedded mtr fails like so:

      ./mysql-test-run --embedded t/alias.test 
      ...
      Installing system database...
       
      ==============================================================================
       
      TEST                                      RESULT   TIME (ms) or COMMENT
      --------------------------------------------------------------------------
       
      worker[1] Using MTR_BUILD_THREAD 300, with reserved ports 16000..16019
      main.alias                               [ fail ]
              Test ended at 2016-03-31 13:23:14
       
      CURRENT_TEST: main.alias
      mysqltest: Can't initialize MySQL server
      

      The failure comes from here

        #0  my_error_register (get_errmsgs=0x555555d69448 <get_server_errmsgs()>, first=1000, last=2001) at /home/psergey/dev-git/10.2-window-funcs-r10/mysys/my_error.c:245
        #1  0x0000555555d695ad in init_errmessage () at /home/psergey/dev-git/10.2-window-funcs-r10/sql/derror.cc:106
        #2  0x00005555559ceaa7 in init_common_variables () at /home/psergey/dev-git/10.2-window-funcs-r10/libmysqld/../sql/mysqld.cc:4515
        #3  0x00005555559d4e9b in init_embedded_server (argc=125, argv=0x5555575b1e18, groups=0x555556ab2300 <embedded_server_groups>) at /home/psergey/dev-git/10.2-window-funcs-r10/libmysqld/lib_sql.cc:559
        #4  0x00005555559b9063 in mysql_server_init (argc=7, argv=0x555556ca5540 <embedded_server_args>, groups=0x555556ab2300 <embedded_server_groups>) at /home/psergey/dev-git/10.2-window-funcs-r10/libmysql/libmysql.c:181
        #5  0x000055555597c7b3 in main (argc=18, argv=0x7fffffffe018) at /home/psergey/dev-git/10.2-window-funcs-r10/client/mysqltest.cc:8974
      

      We are in

      my_error_register (get_errmsgs=0x555555d69448 <get_server_errmsgs()>, first=1000, last=2001)
      

      Trying to register server error messages with codes in [1000, 2000] range.

      The problem is that error code 2000 is already used by the client error messages:

      (gdb) p my_errmsgs_list->meh_next[0]
        $71 = {meh_next = 0x0, get_errmsgs = 0x555555be708d <get_client_errmsgs>, meh_first = 2000, meh_last = 2061}
      

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              Assignee:
              psergei Sergei Petrunia
              Reporter:
              psergei Sergei Petrunia
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                Updated:
                Resolved:

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