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  1. MariaDB Server
  2. MDEV-4435

Server crashes in my_strcasecmp_utf8 on ADD KEY IF NOT EXISTS with implicit name when the key exists

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 10.0.2
    • Fix Version/s: 10.0.6
    • Component/s: None
    • Labels:
      None

      Description

      create table if not exists t1 (i int);
      alter table t1 add key (i);
      alter table t1 add key if not exists (i);

      #3  <signal handler called>
      #4  0x0000000000dcc0f2 in my_strcasecmp_utf8 (cs=0x1626c40, s=0x0, t=0x7f3c6c118d39 "i") at /home/elenst/bzr/10.0/strings/ctype-utf8.c:2768
      #5  0x00000000006cde3c in handle_if_exists_options (thd=0x2eea0c8, table=0x7f3c6c01e898, alter_info=0x7f3c78a4d610) at /home/elenst/bzr/10.0/sql/sql_table.cc:5147
      #6  0x00000000006d21cd in mysql_alter_table (thd=0x2eea0c8, new_db=0x7f3c6c017420 "test", new_name=0x7f3c6c0498e0 "t1", create_info=0x7f3c78a4d500, table_list=0x7f3c6c046b40, alter_info=0x7f3c78a4d610, order_num=0, order=0x0, ignore=false, require_online=false) at /home/elenst/bzr/10.0/sql/sql_table.cc:6663
      #7  0x000000000097e246 in Alter_table_statement::execute (this=0x7f3c6c017560, thd=0x2eea0c8) at /home/elenst/bzr/10.0/sql/sql_alter.cc:106
      #8  0x0000000000627dfc in mysql_execute_command (thd=0x2eea0c8) at /home/elenst/bzr/10.0/sql/sql_parse.cc:4851
      #9  0x000000000062b026 in mysql_parse (thd=0x2eea0c8, rawbuf=0x7f3c6c0433e0 "alter table t1 add key if not exists (i)", length=40, parser_state=0x7f3c78a4e500) at /home/elenst/bzr/10.0/sql/sql_parse.cc:6154
      #10 0x000000000061df6e in dispatch_command (command=COM_QUERY, thd=0x2eea0c8, packet=0x2eee3d9 "alter table t1 add key if not exists (i)", packet_length=40) at /home/elenst/bzr/10.0/sql/sql_parse.cc:1274
      #11 0x000000000061d3e4 in do_command (thd=0x2eea0c8) at /home/elenst/bzr/10.0/sql/sql_parse.cc:983
      #12 0x0000000000737da1 in do_handle_one_connection (thd_arg=0x2eea0c8) at /home/elenst/bzr/10.0/sql/sql_connect.cc:1267
      #13 0x0000000000737af4 in handle_one_connection (arg=0x2eea0c8) at /home/elenst/bzr/10.0/sql/sql_connect.cc:1181
      #14 0x00000000009c767b in pfs_spawn_thread (arg=0x2d652b8) at /home/elenst/bzr/10.0/storage/perfschema/pfs.cc:1800
      #15 0x00007f3c8a3b8e9a in start_thread (arg=0x7f3c78a4f700) at pthread_create.c:308
      #16 0x00007f3c896accbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

      revision-id: bar@mariadb.org-20130424142022-u4xhikvoqggze9b0
      revno: 3745
      branch-nick: 10.0

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              Assignee:
              holyfoot Alexey Botchkov
              Reporter:
              elenst Elena Stepanova
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                Dates

                Created:
                Updated:
                Resolved:

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