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  1. MariaDB Server
  2. MDEV-5368

Server crashes in Item_in_subselect::optimize on 2nd execution of PS with IN subqueries, materialization+semijoin

    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 5.3.12, 5.5.34, 10.0.6
    • Fix Version/s: 5.5.35, 10.0.8, 5.3.13
    • Component/s: None
    • Labels:
      None

      Description

      #3  <signal handler called>
      #4  0x00000000006349f3 in Item_in_subselect::optimize (this=0x2a83fe8, out_rows=0x7f6cd018e930, cost=0x7f6cd018e928) at item_subselect.cc:616
      #5  0x000000000081916e in setup_jtbm_semi_joins (join=0x2a4cc60, join_list=0x2a81150, join_where=0x2a4d048) at opt_subselect.cc:5109
      #6  0x000000000072826b in JOIN::optimize (this=0x2a4cc60) at sql_select.cc:1024
      #7  0x000000000072f4b7 in mysql_select (thd=0x29c8bc8, rref_pointer_array=0x2a81238, tables=0x2a81d80, wild_num=0, fields=..., conds=0x2a4ca50, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2416200192, result=0x2a843b8, unit=0x2a80ad8, select_lex=0x2a80fe0) at sql_select.cc:2995
      #8  0x0000000000725fad in handle_select (thd=0x29c8bc8, lex=0x2a80a38, result=0x2a843b8, setup_tables_done_option=0) at sql_select.cc:288
      #9  0x00000000006b4ca8 in execute_sqlcom_select (thd=0x29c8bc8, all_tables=0x2a81d80) at sql_parse.cc:5172
      #10 0x00000000006abe44 in mysql_execute_command (thd=0x29c8bc8) at sql_parse.cc:2305
      #11 0x0000000000786fee in Prepared_statement::execute (this=0x2a80668, expanded_query=0x7f6cd018fcb0, open_cursor=false) at sql_prepare.cc:3764
      #12 0x000000000078623b in Prepared_statement::execute_loop (this=0x2a80668, expanded_query=0x7f6cd018fcb0, open_cursor=false, packet=0x0, packet_end=0x0) at sql_prepare.cc:3445
      #13 0x0000000000784692 in mysql_sql_stmt_execute (thd=0x29c8bc8) at sql_prepare.cc:2670
      #14 0x00000000006abe72 in mysql_execute_command (thd=0x29c8bc8) at sql_parse.cc:2314
      #15 0x00000000006b760f in mysql_parse (thd=0x29c8bc8, rawbuf=0x2a4c900 "EXECUTE stmt", length=12, found_semicolon=0x7f6cd0190cb8) at sql_parse.cc:6173
      #16 0x00000000006a9624 in dispatch_command (command=COM_QUERY, thd=0x29c8bc8, packet=0x2a43499 "EXECUTE stmt", packet_length=12) at sql_parse.cc:1243
      #17 0x00000000006a8910 in do_command (thd=0x29c8bc8) at sql_parse.cc:923
      #18 0x00000000006a5799 in handle_one_connection (arg=0x29c8bc8) at sql_connect.cc:1231
      #19 0x00007f6cd997fb50 in start_thread (arg=<optimized out>) at pthread_create.c:304
      #20 0x00007f6cd8d22a7d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

      revision-id: psergey@askmonty.org-20131127134316-ljkto7w7f41oddrk
      revno: 3728
      branch-nick: 5.3
      BUILD/compile-pentium-debug-max-no-ndb

      SET optimizer_switch = 'materialization=on,semijoin=on';
       
      CREATE TABLE t1 (a INT) ENGINE=MyISAM;
      INSERT INTO t1 VALUES (1),(3);
       
      CREATE TABLE t2 (b INT) ENGINE=MyISAM;
      CREATE ALGORITHM=MERGE VIEW v2 AS SELECT * FROM t2;
      INSERT INTO t2 VALUES (8),(9);
       
      PREPARE stmt FROM "
      SELECT * FROM t1 WHERE 1 IN ( SELECT b FROM v2 WHERE 2 IN ( SELECT MAX(a) FROM t1 ) )
      ";
       
      EXECUTE stmt;
      EXECUTE stmt;

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            • Assignee:
              psergey Sergei Petrunia
              Reporter:
              elenst Elena Stepanova
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              Dates

              • Created:
                Updated:
                Resolved: