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  1. MariaDB Server
  2. MDEV-5931

Server crashes in get_mm_tree with optimizer_use_condition_selectivity>=3, constant table

        Details

        • Type: Bug
        • Status: Closed
        • Priority: Major
        • Resolution: Fixed
        • Affects Version/s: 10.0.9
        • Fix Version/s: 10.0.10
        • Component/s: None
        • Labels:
          None

          Description

          SET optimizer_use_condition_selectivity=3;

CREATE TABLE t1 (a VARCHAR(3), b VARCHAR(3)) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('foo', 'foo');

CREATE TABLE t2 (c INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (1),(2);

SELECT * FROM t1, t2 WHERE c >= 0 OR a = b ;

          #2  0x000000000085b9e1 in handle_fatal_signal (sig=11) at /home/elenst/bzr/10.0/sql/signal_handler.cc:262
#3  <signal handler called>
#4  0x0000000000976b33 in get_mm_tree (param=0x7fa6e5fe6c80, cond=0x0) at /home/elenst/bzr/10.0/sql/opt_range.cc:7816
#5  0x000000000096d654 in calculate_cond_selectivity_for_table (thd=0x7fa6dcb62070, table=0x7fa6d089e070, cond=0x0) at /home/elenst/bzr/10.0/sql/opt_range.cc:3452
#6  0x00000000006b1c19 in make_join_statistics (join=0x7fa6d08fa710, tables_list=..., conds=0x0, keyuse_array=0x7fa6d08faa18) at /home/elenst/bzr/10.0/sql/sql_select.cc:3930
#7  0x00000000006a8e36 in JOIN::optimize_inner (this=0x7fa6d08fa710) at /home/elenst/bzr/10.0/sql/sql_select.cc:1327
#8  0x00000000006a7df4 in JOIN::optimize (this=0x7fa6d08fa710) at /home/elenst/bzr/10.0/sql/sql_select.cc:1013
#9  0x00000000006af95b in mysql_select (thd=0x7fa6dcb62070, rref_pointer_array=0x7fa6dcb666d8, tables=0x7fa6d08f92a0, wild_num=1, fields=..., conds=0x7fa6d08fa548, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147748608, result=0x7fa6d08fa6f0, unit=0x7fa6dcb65d78, select_lex=0x7fa6dcb66460) at /home/elenst/bzr/10.0/sql/sql_select.cc:3278
#10 0x00000000006a611b in handle_select (thd=0x7fa6dcb62070, lex=0x7fa6dcb65cb0, result=0x7fa6d08fa6f0, setup_tables_done_option=0) at /home/elenst/bzr/10.0/sql/sql_select.cc:372
#11 0x000000000067af50 in execute_sqlcom_select (thd=0x7fa6dcb62070, all_tables=0x7fa6d08f92a0) at /home/elenst/bzr/10.0/sql/sql_parse.cc:5301
#12 0x00000000006732fb in mysql_execute_command (thd=0x7fa6dcb62070) at /home/elenst/bzr/10.0/sql/sql_parse.cc:2587
#13 0x000000000067d6db in mysql_parse (thd=0x7fa6dcb62070, rawbuf=0x7fa6d08f9088 "SELECT * FROM t1, t2 WHERE c >= 0 OR a = b", length=42, parser_state=0x7fa6e5fea610) at /home/elenst/bzr/10.0/sql/sql_parse.cc:6447
#14 0x00000000006704a8 in dispatch_command (command=COM_QUERY, thd=0x7fa6dcb62070, packet=0x7fa6d8ab2071 "SELECT * FROM t1, t2 WHERE c >= 0 OR a = b ", packet_length=43) at /home/elenst/bzr/10.0/sql/sql_parse.cc:1308
#15 0x000000000066f84a in do_command (thd=0x7fa6dcb62070) at /home/elenst/bzr/10.0/sql/sql_parse.cc:1005
#16 0x0000000000789f02 in do_handle_one_connection (thd_arg=0x7fa6dcb62070) at /home/elenst/bzr/10.0/sql/sql_connect.cc:1379
#17 0x0000000000789c55 in handle_one_connection (arg=0x7fa6dcb62070) at /home/elenst/bzr/10.0/sql/sql_connect.cc:1293
#18 0x0000000000a2f27c in pfs_spawn_thread (arg=0x7fa6d86cbef0) at /home/elenst/bzr/10.0/storage/perfschema/pfs.cc:1853
#19 0x00007fa6e5c1eb50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#20 0x00007fa6e4129a7d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

          Stack trace from:

          revision-id: knielsen@knielsen-hq.org-20140321123055-8ch69qymsj1xqmw4
date: 2014-03-21 13:30:55 +0100
build-date: 2014-03-22 14:13:54 +0400
revno: 4076
branch-nick: 10.0

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                igor Igor Babaev added a comment -

                The fix for the bug was pushed into the 10.0 tree.

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                igor Igor Babaev added a comment - The fix for the bug was pushed into the 10.0 tree.

                  People

                  • Assignee:
                    igor Igor Babaev
                    Reporter:
                    elenst Elena Stepanova
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                    • Created:
                      Updated:
                      Resolved: