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  1. MariaDB Server
  2. MDEV-8321

Assertion `! is_set()' failed in Diagnostics_area::set_eof_status on EXPLAIN INSERT ... UNION

    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 10.0, 10.1
    • Fix Version/s: 10.0.22
    • Component/s: Optimizer
    • Labels:
      None

      Description

      Note: See also MDEV-6223.

      Stack trace from 10.0 commit 909f7607018e644754a2c41b791b44b25a05e8fb

      10.0/sql/sql_error.cc:407: void Diagnostics_area::set_eof_status(THD*): Assertion `! is_set()' failed.
      150616 14:48:17 [ERROR] mysqld got signal 6 ;
       
      #6  0x00007fa8a01c6311 in *__GI___assert_fail (assertion=0xf06ca7 "! is_set()", file=<optimized out>, line=407, function=0xf07a60 "void Diagnostics_area::set_eof_status(THD*)") at assert.c:81
      #7  0x0000000000659342 in Diagnostics_area::set_eof_status (this=0x7fa89b7d8d28, thd=0x7fa89b7d4070) at 10.0/sql/sql_error.cc:407
      #8  0x00000000005da825 in my_eof (thd=0x7fa89b7d4070) at 10.0/sql/sql_class.h:3816
      #9  0x0000000000643f8b in select_send::send_eof (this=0x7fa898aad320) at 10.0/sql/sql_class.cc:2582
      #10 0x00000000007cbc2b in Explain_query::send_explain (this=0x7fa898b4af80, thd=0x7fa89b7d4070) at 10.0/sql/sql_explain.cc:147
      #11 0x000000000068055a in mysql_execute_command (thd=0x7fa89b7d4070) at 10.0/sql/sql_parse.cc:3556
      #12 0x00000000006885a3 in mysql_parse (thd=0x7fa89b7d4070, rawbuf=0x7fa8988e0088 "EXPLAIN INSERT INTO t1 SELECT * FROM t2 UNION SELECT * FROM t3", length=62, parser_state=0x7fa8a23cf600) at 10.0/sql/sql_parse.cc:6529
      #13 0x000000000067af8f in dispatch_command (command=COM_QUERY, thd=0x7fa89b7d4070, packet=0x7fa89b7ca071 "", packet_length=62) at 10.0/sql/sql_parse.cc:1308
      #14 0x000000000067a275 in do_command (thd=0x7fa89b7d4070) at 10.0/sql/sql_parse.cc:999
      #15 0x000000000079826e in do_handle_one_connection (thd_arg=0x7fa89b7d4070) at 10.0/sql/sql_connect.cc:1378
      #16 0x0000000000797fcd in handle_one_connection (arg=0x7fa89b7d4070) at 10.0/sql/sql_connect.cc:1293
      #17 0x0000000000cd7843 in pfs_spawn_thread (arg=0x7fa89a184370) at 10.0/storage/perfschema/pfs.cc:1860
      #18 0x00007fa8a1fc0b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
      #19 0x00007fa8a027695d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

      CREATE TABLE t1 (a INT);
      CREATE TABLE t2 (b INT);
      CREATE TABLE t3 (c INT);
       
      # Data is not necessary, tables can be empty as well
      INSERT INTO t1 VALUES (1),(2);
      INSERT INTO t2 VALUES (3),(4);
      INSERT INTO t3 VALUES (5),(6);
       
      EXPLAIN INSERT INTO t1 SELECT * FROM t2 UNION SELECT * FROM t3;

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              • Assignee:
                sanja Oleksandr Byelkin
                Reporter:
                elenst Elena Stepanova
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                • Created:
                  Updated:
                  Resolved: