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  1. MariaDB Server
  2. MDEV-13068

Crash in Item::split_sum_func2 with INSERT SELECT using window functions

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      Description

      2017-06-13 12:26:54 140396794492704 [Note] /home/nil/10.2.6/bin/mysqld: ready for connections.
      Version: '10.2.6-MariaDB'  socket: '/tmp/mysql_sandbox10206.sock'  port: 10206  MariaDB Server
      170613 12:53:22 [ERROR] mysqld got signal 11 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed,
      something is definitely wrong and this may fail.
       
      Server version: 10.2.6-MariaDB
      key_buffer_size=134217728
      read_buffer_size=131072
      max_used_connections=1
      max_threads=153
      thread_count=7
      It is possible that mysqld could use up to
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 467201 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7fb080000a88
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      stack_bottom = 0x7fb09b2d0e48 thread_stack 0x49000
      /home/nil/10.2.6/bin/mysqld(my_print_stacktrace+0x2e)[0xddc65e]
      /home/nil/10.2.6/bin/mysqld(handle_fatal_signal+0x444)[0x7d3374]
      /lib64/libpthread.so.0[0x385520f7e0]
      /home/nil/10.2.6/bin/mysqld(_ZN4Item15split_sum_func2EP3THD20Bounds_checked_arrayIPS_ER4ListIS_EPS3_j+0xe5)[0x7f8ec5]
      /home/nil/10.2.6/bin/mysqld(_ZN9Item_func14split_sum_funcEP3THD20Bounds_checked_arrayIP4ItemER4ListIS3_Ej+0x61)[0x8561f1]
      /home/nil/10.2.6/bin/mysqld(_Z12setup_fieldsP3THD20Bounds_checked_arrayIP4ItemER4ListIS2_E17enum_mark_columnsPS6_b+0x139)[0x5931f9]
      /home/nil/10.2.6/bin/mysqld(_ZN13select_insert7prepareER4ListI4ItemEP18st_select_lex_unit+0x81)[0x5cade1]
      /home/nil/10.2.6/bin/mysqld(_ZN4JOIN7prepareEP10TABLE_LISTjP4ItemjP8st_orderbS5_S3_S5_P13st_select_lexP18st_select_lex_unit+0x137e)[0x638b5e]
      /home/nil/10.2.6/bin/mysqld(_Z12mysql_selectP3THDP10TABLE_LISTjR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x9c2)[0x648752]
      /home/nil/10.2.6/bin/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x244)[0x649b24]
      /home/nil/10.2.6/bin/mysqld(_Z21mysql_execute_commandP3THD+0x98f0)[0x5f0010]
      /home/nil/10.2.6/bin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x3a0)[0x5f0e60]
      /home/nil/10.2.6/bin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0x23ca)[0x5f38ba]
      /home/nil/10.2.6/bin/mysqld(_Z10do_commandP3THD+0x16d)[0x5f40fd]
      /home/nil/10.2.6/bin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x235)[0x6d39a5]
      /home/nil/10.2.6/bin/mysqld(handle_one_connection+0x3f)[0x6d3b6f]
      /lib64/libpthread.so.0[0x3855207aa1]
      /lib64/libc.so.6(clone+0x6d)[0x3854ee8aad]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7fb08000efe0): INSERT INTO T1 SELECT (SELECT a.C3 FROM T2 a WHERE UPPER(a.C2) = 'T1') + (row_number() over()), 696005, C3, C4, C5, C6, C7, 'batch_user', CURRENT_TIMESTAMP, C10,C11 FROM T1 WHERE  C2=672009
      Connection ID (thread ID): 8
      Status: NOT_KILLED
       
      Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on
       
      The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
      information that should help you find out what is causing the crash.
      170613 12:53:24 mysqld_safe Number of processes running now: 0
      170613 12:53:24 mysqld_safe mysqld restarted
      

      How to repeat :

      MariaDB [test]> CREATE TABLE `T1` (
          ->   `C1` int(11) NOT NULL,
          ->   `C2` int(11) NOT NULL,
          ->   `C3` int(11) NOT NULL,
          ->   `C4` int(11) NOT NULL,
          ->   `C5` int(11) DEFAULT NULL,
          ->   `C6` int(11) DEFAULT NULL,
          ->   `C7` char(1) COLLATE utf8_bin NOT NULL DEFAULT '1',
          ->   `C8` varchar(32) COLLATE utf8_bin NOT NULL DEFAULT 'SYSTEM',
          ->   `C9` timestamp NOT NULL DEFAULT current_timestamp(),
          ->   `C10` char(3) COLLATE utf8_bin DEFAULT NULL,
          ->   `C11` smallint(6) NOT NULL DEFAULT 1,
          ->   PRIMARY KEY (`C1`),
          ->   UNIQUE KEY `T1_UI1` (`C3`,`C2`,`C4`,`C5`),
          ->   KEY `T1_IDX5` (`C3`,`C2`,`C4`),
          ->   KEY `T1_IDX7` (`C2`,`C4`,`C3`),
          ->   KEY `T1_FK04` (`C4`),
          ->   CONSTRAINT `T1_CK11` CHECK (`C11` >= 0),
          ->   CONSTRAINT `T1_CK7` CHECK (`C7` in ('0','1'))
          -> ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin ROW_FORMAT=DYNAMIC
          -> ;
      Query OK, 0 rows affected (0.04 sec)
       
      MariaDB [test]> CREATE TABLE `T2` (
          ->   `C1` int(11) NOT NULL,
          ->   `C2` varchar(32) COLLATE utf8_bin NOT NULL,
          ->   `C3` bigint(20) NOT NULL,
          ->   `SEQNUMRANGE` bigint(20) NOT NULL,
          ->   PRIMARY KEY (`C1`),
          ->   UNIQUE KEY `T2_UI1` (`C2`)
          -> ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin ROW_FORMAT=DYNAMIC
          -> ;
      Query OK, 0 rows affected (0.02 sec)
       
      MariaDB [test]> INSERT INTO T1 SELECT (SELECT a.C3 FROM T2 a WHERE UPPER(a.C2) = 'T1') + (row_number() over()), 696005, C3, C4, C5, C6, C7, 'batch_user', CURRENT_TIMESTAMP, C10,C11 FROM T1 WHERE  C2=672009;
      ERROR 2013 (HY000): Lost connection to MySQL server during query
      MariaDB [test]> 
      

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            • Assignee:
              cvicentiu Vicentiu Ciorbaru
              Reporter:
              niljoshi Nilnandan Joshi
            • Votes:
              1 Vote for this issue
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              • Created:
                Updated:
                Resolved: