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  1. MariaDB Server
  2. MDEV-9513

Assertion `join->group_list || !join->is_in_subquery()' failed in create_sort_index

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    • 5.5.50, 5.5.58, 5.5.59, 10.0.34

    Description

      SELECT 'foo' > ALL ( SELECT 'bar' UNION SELECT 'baz' ORDER BY 1 );

      or

      SELECT 'foo' IN ( SELECT 'bar' UNION SELECT 'baz' ORDER BY 1 );

      mysqld: /src/5.5/sql/sql_select.cc:19816: int create_sort_index(THD*, JOIN*, ORDER*, ha_rows, ha_rows, bool): Assertion `join->group_list || !join->is_in_subquery()' failed.
      160203 18:32:16 [ERROR] mysqld got signal 6 ;

      Stack trace from 5.5 commit 9c9d10b441fe79b111509949ca40afe1a6284c0f

      #7  0x00007f290c4131d2 in __assert_fail () from /lib64/libc.so.6
      #8  0x00000000006818f6 in create_sort_index (thd=0x7f290a9c38e0, join=0x7f290788c1f8, order=0x7f2907882520, filesort_limit=1, select_limit=1, is_order_by=false) at /src/5.5/sql/sql_select.cc:19816
      #9  0x0000000000658a4c in JOIN::exec (this=0x7f290788c1f8) at /src/5.5/sql/sql_select.cc:2843
      #10 0x0000000000659471 in mysql_select (thd=0x7f290a9c38e0, rref_pointer_array=0x7f29078822d8, tables=0x7f29078815c0, wild_num=0, fields=..., conds=0x0, og_num=1, order=0x7f2907882520, group=0x0, having=0x0, proc_param=0x0, select_options=268435456, result=0x7f29078826f0, unit=0x7f2907881570, select_lex=0x7f2907882068) at /src/5.5/sql/sql_select.cc:3094
      #11 0x00000000006d3667 in st_select_lex_unit::exec (this=0x7f2907881570) at /src/5.5/sql/sql_union.cc:807
      #12 0x000000000086e9eb in subselect_union_engine::exec (this=0x7f2907882710) at /src/5.5/sql/item_subselect.cc:3263
      #13 0x0000000000867478 in Item_subselect::exec (this=0x7f2907882560) at /src/5.5/sql/item_subselect.cc:658
      #14 0x00000000008679be in Item_in_subselect::exec (this=0x7f2907882560) at /src/5.5/sql/item_subselect.cc:831
      #15 0x0000000000869e09 in Item_in_subselect::val_bool (this=0x7f2907882560) at /src/5.5/sql/item_subselect.cc:1657
      #16 0x000000000058c815 in Item::val_bool_result (this=0x7f2907882560) at /src/5.5/sql/item.h:981
      #17 0x0000000000807703 in Item_in_optimizer::val_int (this=0x7f290788b178) at /src/5.5/sql/item_cmpfunc.cc:1784
      #18 0x00000000007f2223 in Item::send (this=0x7f290788b178, protocol=0x7f290a9c3ea8, buffer=0x7f290de62260) at /src/5.5/sql/item.cc:6574
      #19 0x0000000000588b18 in Protocol::send_result_set_row (this=0x7f290a9c3ea8, row_items=0x7f290a9c7408) at /src/5.5/sql/protocol.cc:903
      #20 0x00000000005ead76 in select_send::send_data (this=0x7f2907882898, items=...) at /src/5.5/sql/sql_class.cc:2374
      #21 0x00000000006567c5 in JOIN::exec (this=0x7f29078828b8) at /src/5.5/sql/sql_select.cc:2281
      #22 0x0000000000659471 in mysql_select (thd=0x7f290a9c38e0, rref_pointer_array=0x7f290a9c7560, tables=0x0, wild_num=0, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147748608, result=0x7f2907882898, unit=0x7f290a9c6c10, select_lex=0x7f290a9c72f0) at /src/5.5/sql/sql_select.cc:3094
      #23 0x000000000064fd0d in handle_select (thd=0x7f290a9c38e0, lex=0x7f290a9c6b60, result=0x7f2907882898, setup_tables_done_option=0) at /src/5.5/sql/sql_select.cc:319
      #24 0x00000000006291a0 in execute_sqlcom_select (thd=0x7f290a9c38e0, all_tables=0x0) at /src/5.5/sql/sql_parse.cc:4689
      #25 0x00000000006224d3 in mysql_execute_command (thd=0x7f290a9c38e0) at /src/5.5/sql/sql_parse.cc:2234
      #26 0x000000000062bc80 in mysql_parse (thd=0x7f290a9c38e0, rawbuf=0x7f2907881078 "SELECT 'foo' IN ( SELECT 'bar' UNION SELECT 'baz' ORDER BY 1 )", length=62, parser_state=0x7f290de63650) at /src/5.5/sql/sql_parse.cc:5914
      #27 0x000000000061fa72 in dispatch_command (command=COM_QUERY, thd=0x7f290a9c38e0, packet=0x7f2907f54a61 "", packet_length=62) at /src/5.5/sql/sql_parse.cc:1079
      #28 0x000000000061ec05 in do_command (thd=0x7f290a9c38e0) at /src/5.5/sql/sql_parse.cc:793
      #29 0x00000000007214e1 in do_handle_one_connection (thd_arg=0x7f290a9c38e0) at /src/5.5/sql/sql_connect.cc:1269
      #30 0x000000000072126e in handle_one_connection (arg=0x7f290a9c38e0) at /src/5.5/sql/sql_connect.cc:1185
      #31 0x0000000000c8acbd in pfs_spawn_thread (arg=0x7f290a9f3140) at /src/5.5/storage/perfschema/pfs.cc:1015
      #32 0x00007f290dadb0a4 in start_thread () from /lib64/libpthread.so.0
      #33 0x00007f290c4ca04d in clone () from /lib64/libc.so.6

      Attention: While working on this, please check both queries, because a tentative fix for MDEV-9304 makes them behave differently: the ALL still hits the assertion failure, while the IN one hangs.

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              varun Varun Gupta (Inactive)
              elenst Elena Stepanova
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