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  1. MariaDB Server
  2. MDEV-6663

Assertion `0' failed in Protocol::end_statement() on concurrent UPDATE and ALTER TABLE .. PERSISTENT

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    • Sprint:
      10.0.20, 10.0.26, 10.0.30

      Description

      10.0/sql/protocol.cc:521: void Protocol::end_statement(): Assertion `0' failed.
      140829 19:00:32 [ERROR] mysqld got signal 6 ;

      #6  0x00007f3ebc1d76f1 in *__GI___assert_fail (assertion=0xf0d710 "0", file=<optimized out>, line=521, function=0xf0ea40 "void Protocol::end_statement()") at assert.c:81
      #7  0x00000000005d0ef3 in Protocol::end_statement (this=0x7f3ea38505f8) at 10.0/sql/protocol.cc:521
      #8  0x00000000006772a6 in dispatch_command (command=COM_QUERY, thd=0x7f3ea3850070, packet=0x7f3ea3856071 "UPDATE `t1` SET `col_int` = 2 WHERE `col_varchar_1_key` = 'g' OR `col_int_key` >= 3", packet_length=83) at 10.0/sql/sql_parse.cc:1728
      #9  0x000000000067521d in do_command (thd=0x7f3ea3850070) at 10.0/sql/sql_parse.cc:1004
      #10 0x0000000000791512 in do_handle_one_connection (thd_arg=0x7f3ea3850070) at 10.0/sql/sql_connect.cc:1379
      #11 0x0000000000791265 in handle_one_connection (arg=0x7f3ea3850070) at 10.0/sql/sql_connect.cc:1293
      #12 0x00007f3ebdd90b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
      #13 0x00007f3ebc28820d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

      Stack trace from:

      revision-id: jplindst@mariadb.org-20140825103533-p9jodvh91r9tueo1
      revno: 4362
      branch-nick: 10.0
      elenst@wheezy-64:~/bzr/10.0$ cd -
      /home/elenst/bzr/randgen-mariadb-patches

      RQG grammar (assertion.yy):

      thread1:
      	UPDATE `t1` SET `col_int` = 2 WHERE `col_varchar_1_key` = 'g' OR `col_int_key` >= 3;
       
      thread2:
      	ANALYZE TABLE `t1` PERSISTENT FOR ALL;

      RQG data template (assertion.zz):

      $tables = {
      	names => [ 't1' ],
      	rows => [ 5000 ] ,
      	engines => [ 'InnoDB' ] ,
      	pk => [ undef ] , 
      	partitions => [ "LIST COLUMNS(col_int) (
      		PARTITION p0 VALUES IN (1,3,5,7,9,NULL),
      		PARTITION p1 VALUES IN (2,4,6,8,0))" ]
      };
      $fields = { types => [ 'int', 'varchar(1)' ] };
       
      $data = {
      	numbers => [ 'digit' , 'digit' , 'digit' , 'digit' , 'null' ],
      	strings => [ 'letter' ]
      };

      RQG command line:

      perl ./runall-new.pl  --gendata=assertion.zz --threads=2  --duration=300 --queries=100M --grammar=assertion.yy --basedir=<basedir> --vardir=<vardir>

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              Assignee:
              cvicentiu Vicențiu Ciorbaru
              Reporter:
              elenst Elena Stepanova
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                Created:
                Updated:

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