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  1. MariaDB Server
  2. MDEV-6836

Assertion `0' failed on creating a unique index on a Mroonga table with non-unique values

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      Description

      Also filed as https://github.com/mroonga/mroonga/issues/19

      Stack trace from 10.0 revno 4427

      mysqld: 10.0/sql/protocol.cc:522: void Protocol::end_statement(): Assertion `0' failed.
      141005  2:07:44 [ERROR] mysqld got signal 6 ;
       
      #6  0x00007f43b969b6f1 in *__GI___assert_fail (assertion=0xef70d0 "0", file=<optimized out>, line=522, function=0xef85e0 "void Protocol::end_statement()") at assert.c:81
      #7  0x00000000005d2bab in Protocol::end_statement (this=0x7f43a0f175f8) at 10.0/sql/protocol.cc:522
      #8  0x0000000000679aba in dispatch_command (command=COM_QUERY, thd=0x7f43a0f17070, packet=0x7f43a0e18071 "alter table t1 add unique index (a)", packet_length=35) at 10.0/sql/sql_parse.cc:1728
      #9  0x0000000000677a31 in do_command (thd=0x7f43a0f17070) at 10.0/sql/sql_parse.cc:1004
      #10 0x00000000007942a6 in do_handle_one_connection (thd_arg=0x7f43a0f17070) at 10.0/sql/sql_connect.cc:1379
      #11 0x0000000000793ff9 in handle_one_connection (arg=0x7f43a0f17070) at 10.0/sql/sql_connect.cc:1293
      #12 0x00007f43bb254b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
      #13 0x00007f43b974c20d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

      Test case

      # For MTR, replace it with however Mroonga should be properly initialized there
       
      source ./storage/mroonga/data/install.sql;
       
      create table t1 (a int) engine=Mroonga;
      insert into t1 values (1),(1);
      alter table t1 add unique index (a);

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            Assignee:
            Kentoku Kentoku Shiba
            Reporter:
            elenst Elena Stepanova
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              Updated:
              Resolved:

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