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  1. MariaDB Server
  2. MDEV-17034

server crashes in Item_sum::set_aggregator

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      Description

      create table t1 (`d1` date);
      insert into t1 values ('2001-09-09');
       
      select distinct var_pop("1"), min(round(`d1`)) over ()
      from t1 where @a := 0 group by pi();
      

      10.2 b0ef1b388bff28b93bf
       
      #3  <signal handler called>
      #4  0x000056545af50834 in Item_sum::set_aggregator (this=0x7f4cb4012660, aggregator=Aggregator::SIMPLE_AGGREGATOR) at /10.2/sql/item_sum.cc:584
      #5  0x000056545ac7e2d3 in prepare_sum_aggregators (func_ptr=0x7f4cb40145b8, need_distinct=true) at /10.2/sql/sql_select.cc:23593
      #6  0x000056545ac4a153 in JOIN::create_postjoin_aggr_table (this=0x7f4cb4013ae8, tab=0x7f4cb4014b10, table_fields=0x7f4cb4013e20, table_group=0x0, save_sum_fields=true, distinct=false, keep_row_order=false) at /10.2/sql/sql_select.cc:2990
      #7  0x000056545ac48d10 in JOIN::make_aggr_tables_info (this=0x7f4cb4013ae8) at /10.2/sql/sql_select.cc:2668
      #8  0x000056545ac4734a in JOIN::optimize_inner (this=0x7f4cb4013ae8) at /10.2/sql/sql_select.cc:2254
      #9  0x000056545ac433a9 in JOIN::optimize (this=0x7f4cb4013ae8) at /10.2/sql/sql_select.cc:1115
      #10 0x000056545ac4c798 in mysql_select (thd=0x7f4cb4000b00, tables=0x7f4cb4012dc0, wild_num=0, fields=..., conds=0x7f4cb4013488, og_num=1, order=0x0, group=0x7f4cb40139a8, having=0x0, proc_param=0x0, select_options=2147748609, result=0x7f4cb4013ac8, unit=0x7f4cb40046f0, select_lex=0x7f4cb4004e28) at /10.2/sql/sql_select.cc:3790
      #11 0x000056545ac40b6a in handle_select (thd=0x7f4cb4000b00, lex=0x7f4cb4004628, result=0x7f4cb4013ac8, setup_tables_done_option=0) at /10.2/sql/sql_select.cc:376
      #12 0x000056545ac0c2a8 in execute_sqlcom_select (thd=0x7f4cb4000b00, all_tables=0x7f4cb4012dc0) at /10.2/sql/sql_parse.cc:6477
      #13 0x000056545ac01fe6 in mysql_execute_command (thd=0x7f4cb4000b00) at /10.2/sql/sql_parse.cc:3484
      #14 0x000056545ac100be in mysql_parse (thd=0x7f4cb4000b00, rawbuf=0x7f4cb4012498 "select distinct var_pop(\"1\"), min(round(`d1`)) over ()\nfrom t1 where @a := 0 group by pi()", length=90, parser_state=0x7f4d08124080, is_com_multi=false, is_next_command=false) at /10.2/sql/sql_parse.cc:8009
      #15 0x000056545abfd857 in dispatch_command (command=COM_QUERY, thd=0x7f4cb4000b00, packet=0x7f4cb4096341 "select distinct var_pop(\"1\"), min(round(`d1`)) over ()\nfrom t1 where @a := 0 group by pi()", packet_length=90, is_com_multi=false, is_next_command=false) at /10.2/sql/sql_parse.cc:1824
      #16 0x000056545abfc1b3 in do_command (thd=0x7f4cb4000b00) at /10.2/sql/sql_parse.cc:1378
      #17 0x000056545ad4d577 in do_handle_one_connection (connect=0x56545ea1dc60) at /10.2/sql/sql_connect.cc:1335
      #18 0x000056545ad4d2f7 in handle_one_connection (arg=0x56545ea1dc60) at /10.2/sql/sql_connect.cc:1241
      #19 0x000056545b57a500 in pfs_spawn_thread (arg=0x56545ea00910) at /10.2/storage/perfschema/pfs.cc:1862
      #20 0x00007f4d0f4dd6ba in start_thread (arg=0x7f4d08125700) at pthread_create.c:333
      #21 0x00007f4d0e97241d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
      

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              • Assignee:
                cvicentiu Vicențiu Ciorbaru
                Reporter:
                alice Alice Sherepa
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                • Created:
                  Updated:
                  Resolved: