PoC:
SELECT AVG ( - NULL ) OVER ( PARTITION BY 'x' / 17709244.000000 ) / + AVG ( FALSE ) OVER ( PARTITION BY + ( AVG ( NOT 'x' ) ) ) ;
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report:
Thread pointer: 0x7fa804000c58
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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...
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stack_bottom = 0x7fa8640ebe30 thread_stack 0x49000
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mysys/stacktrace.c:212(my_print_stacktrace)[0xe12bae]
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sql/signal_handler.cc:226(handle_fatal_signal)[0x973f04]
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sigaction.c:0(__restore_rt)[0x7fa8676a23c0]
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sql/sql_window.cc:435(compare_order_elements(st_order*, st_order*))[0x8e4131]
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sql/sql_window.cc:588(compare_window_funcs_by_window_specs(Item_window_func*, Item_window_func*, void*))[0x8e395c]
|
??:0(JOIN::make_aggr_tables_info())[0x799500]
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??:0(JOIN::optimize_stage2())[0x78afdb]
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sql/sql_select.cc:2492(JOIN::optimize_inner())[0x7922a2]
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??:0(JOIN::optimize())[0x78af00]
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sql/sql_select.cc:4993(mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_
|
select_lex*))[0x785468]
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sql/sql_select.cc:543(handle_select(THD*, LEX*, select_result*, unsigned long))[0x785330]
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sql/sql_parse.cc:6252(execute_sqlcom_select(THD*, TABLE_LIST*))[0x754fea]
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??:0(mysql_execute_command(THD*, bool))[0x74ef77]
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sql/sql_class.h:2734(THD::enter_stage(PSI_stage_info_v1 const*, char const*, char const*, unsigned int))[0x74b207]
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sql/sql_parse.cc:1896(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool))[0x7490c7]
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sql/sql_parse.cc:1404(do_command(THD*, bool))[0x74b65e]
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sql/sql_connect.cc:1418(do_handle_one_connection(CONNECT*, bool))[0x85bf2e]
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sql/sql_connect.cc:1318(handle_one_connection)[0x85bd4d]
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perfschema/pfs.cc:2203(pfs_spawn_thread)[0xb8496e]
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nptl/pthread_create.c:478(start_thread)[0x7fa867696609]
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??:0(clone)[0x7fa8673b6163]
|
|
Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x7fa804010b40): SELECT AVG ( - NULL ) OVER ( PARTITION BY 'x' / 17709244.000000 ) / + AVG ( FALSE ) OVER ( PARTITION BY + ( AVG ( NOT 'x' ) ) )
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- duplicates
-
MDEV-19398
Assertion `item1->type() == Item::FIELD_ITEM && item2->type() == Item::FIELD_ITEM' failed in compare_order_elements
-
-
Closed
- links to
-
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