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  1. MariaDB Server
  2. MDEV-30118

exception in ha_maria::extra

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      Even though I used version 10.5.11 previously and reinstalled it with 10.10.2 after the issue occurred, the same error occurs.
      The error usually works normally, but when select query is executed, it shuts down after 3 seconds.
      Additionally, SET STATEMENT max_statement_time=5000 FOR is automatically appended to queries remaining in the err file. Why is that?
      Of course, there are also unattached queries.

      [ERROR] mysqld got exception 0xc0000005 ;
      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: 10.10.2-MariaDB
      key_buffer_size=805306368
      read_buffer_size=25165824
      max_used_connections=37
      max_threads=65537
      thread_count=23
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 5906501846 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x21f27b97ef8
      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...
      server.dll!ha_maria::extra()[ha_maria.cc:2682]
      server.dll!JOIN::cleanup()[sql_select.cc:14901]
      server.dll!JOIN::join_free()[sql_select.cc:14773]
      server.dll!do_select()[sql_select.cc:21408]
      server.dll!JOIN::exec_inner()[sql_select.cc:4823]
      server.dll!mysql_select()[sql_select.cc:5081]
      server.dll!handle_select()[sql_select.cc:581]
      server.dll!execute_sqlcom_select()[sql_parse.cc:6261]
      server.dll!mysql_execute_command()[sql_parse.cc:3945]
      server.dll!mysql_parse()[sql_parse.cc:8025]
      server.dll!dispatch_command()[sql_parse.cc:1896]
      server.dll!do_command()[sql_parse.cc:1407]
      server.dll!tp_callback()[threadpool_common.cc:245]
      KERNEL32.DLL!LCMapStringEx()
      ntdll.dll!RtlAddRefActivationContext()
      ntdll.dll!RtlAcquireSRWLockExclusive()
      KERNEL32.DLL!BaseThreadInitThunk()
      ntdll.dll!RtlUserThreadStart()
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x193f57092d0): SET STATEMENT max_statement_time=5000 FOR 
              SELECT ATTACH_GRP_NO    
                   , ATTACH
                   , MODULE
                   , trim(CD_FILE_TYPE) AS CD_FILE_TYPE
                   , NAME
                   , CONCAT(LEFT(NAME, INSTR(NAME, SUBSTRING_INDEX(NAME, '_', -1))-2), '.', FORMAT) AS ORIGIN_NAME
                   , PATH
                   , FORMAT
                   , FILE_SIZE
                     , @ROWNUM := @ROWNUM +1 AS SEQ_DSP
                   , MEMO
                   , CNT_DOWNLOAD
                   , DATE_C
                   , DATE_E
                   , THUMB_YN
                FROM SYS_ATTACH , (SELECT @ROWNUM := 0)RN
               WHERE CD_DEL = '1'
                AND ATTACH_GRP_NO = '1234'
              ORDER BY SEQ_DSP,DATE_C DESC
      Connection ID (thread ID): 4362
      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=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off
       
      The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
      information that should help you find out what is causing the crash.
      Writing a core file at C:\Program Files\MariaDB 10.5\data\
      

      When the query is executed, it works without problems.

      Attachments

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        4. image-2022-12-06-09-59-29-911.png
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        5. screenshot-1.png
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          Jongbeom Park

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              monty Michael Widenius
              jbpark Jongbeom Park
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