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  1. MariaDB Server
  2. MDEV-29747

Server crashes in check_key_in_view on 2nd execution of PS with ROWNUM

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Details

    • Bug
    • Status: Confirmed (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.6, 10.7, 10.8, 10.9, 10.10, 10.11, 11.0
    • 10.6, 10.11, 11.0
    • Prepared Statements
    • None

    Description

      CREATE TABLE t (a INT);
      INSERT INTO t VALUES (1),(2); # Optional, fails either way
      CREATE VIEW v AS SELECT * FROM t;
       
      PREPARE ps FROM 'DELETE v FROM v WHERE ROWNUM() < 5';
      EXECUTE ps;
      EXECUTE ps;
       
      # Cleanup
      DROP VIEW v;
      DROP TABLE t;
      

      10.6 eae037c2

      #3  <signal handler called>
      #4  0x000055f17afa01ee in check_key_in_view (thd=0x62b00007e218, view=0x62b0000bf6b0) at /data/src/10.6/sql/sql_view.cc:2098
      #5  0x000055f17b94461c in mysql_multi_delete_prepare (thd=0x62b00007e218) at /data/src/10.6/sql/sql_delete.cc:1158
      #6  0x000055f17ac667f7 in mysql_execute_command (thd=0x62b00007e218, is_called_from_prepared_stmt=true) at /data/src/10.6/sql/sql_parse.cc:4850
      #7  0x000055f17accfcfd in Prepared_statement::execute (this=0x61900008c098, expanded_query=0x7fba6b327d00, open_cursor=false) at /data/src/10.6/sql/sql_prepare.cc:5207
      #8  0x000055f17accb08d in Prepared_statement::execute_loop (this=0x61900008c098, expanded_query=0x7fba6b327d00, open_cursor=false, packet=0x0, packet_end=0x0) at /data/src/10.6/sql/sql_prepare.cc:4635
      #9  0x000055f17acc49a1 in mysql_sql_stmt_execute (thd=0x62b00007e218) at /data/src/10.6/sql/sql_prepare.cc:3686
      #10 0x000055f17ac5fb88 in mysql_execute_command (thd=0x62b00007e218, is_called_from_prepared_stmt=false) at /data/src/10.6/sql/sql_parse.cc:3962
      #11 0x000055f17ac7bcd8 in mysql_parse (thd=0x62b00007e218, rawbuf=0x62b000085238 "EXECUTE ps", length=10, parser_state=0x7fba6b328a90) at /data/src/10.6/sql/sql_parse.cc:8016
      #12 0x000055f17ac52638 in dispatch_command (command=COM_QUERY, thd=0x62b00007e218, packet=0x629000258219 "EXECUTE ps", packet_length=10, blocking=true) at /data/src/10.6/sql/sql_parse.cc:1896
      #13 0x000055f17ac4f3ff in do_command (thd=0x62b00007e218, blocking=true) at /data/src/10.6/sql/sql_parse.cc:1409
      #14 0x000055f17b0a686a in do_handle_one_connection (connect=0x608000002638, put_in_cache=true) at /data/src/10.6/sql/sql_connect.cc:1416
      #15 0x000055f17b0a6200 in handle_one_connection (arg=0x6080000025b8) at /data/src/10.6/sql/sql_connect.cc:1318
      #16 0x000055f17bcccc70 in pfs_spawn_thread (arg=0x617000004d98) at /data/src/10.6/storage/perfschema/pfs.cc:2201
      #17 0x00007fba74afcea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #18 0x00007fba746e9aef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
      

      Reproducible on 10.6+, including earlier minor releases.
      The test case is not applicable to pre-10.6 due to the use of ROWNUM.

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            shulga Dmitry Shulga
            elenst Elena Stepanova
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            Dates

              Created:
              Updated:

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