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  1. MariaDB Server
  2. MDEV-25500

Assertion `table_share->tmp_table != NO_TMP_TABLE || m_lock_type != 2' failed in uint handler::get_dup_key(int)

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      SET debug_dbug='+d,row_drop_table_add_to_background';
      CREATE TABLE t1 (a INT NOT NULL) ENGINE=InnoDB;
      ALTER TABLE t1 ADD c2 TEXT NOT NULL;
      DROP TABLE t1;
      

      Leads to:

      10.2.38 (Debug)

      mysqld: /test/10.2_dbg/sql/handler.cc:3989: uint handler::get_dup_key(int): Assertion `table_share->tmp_table != NO_TMP_TABLE || m_lock_type != 2' failed.
      

      10.2.38 (Debug)

      Core was generated by `/test/MD160321-mariadb-10.2.38-linux-x86_64-dbg/bin/mysqld --no-defaults --core'.
      Program terminated with signal SIGABRT, Aborted.
      #0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=6)
          at ../sysdeps/unix/sysv/linux/pthread_kill.c:56
      [Current thread is 1 (Thread 0x1516dc9dc700 (LWP 3902701))]
      (gdb) bt
      #0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ../sysdeps/unix/sysv/linux/pthread_kill.c:56
      #1  0x000055d689c16f9a in my_write_core (sig=sig@entry=6) at /test/10.2_dbg/mysys/stacktrace.c:382
      #2  0x000055d6894fd043 in handle_fatal_signal (sig=6) at /test/10.2_dbg/sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
      #5  0x00001516f7a64859 in __GI_abort () at abort.c:79
      #6  0x00001516f7a64729 in __assert_fail_base (fmt=0x1516f7bfa588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x55d689d800c0 "table_share->tmp_table != NO_TMP_TABLE || m_lock_type != 2", file=0x55d689d81169 "/test/10.2_dbg/sql/handler.cc", line=3989, function=<optimized out>) at assert.c:92
      #7  0x00001516f7a75f36 in __GI___assert_fail (assertion=assertion@entry=0x55d689d800c0 "table_share->tmp_table != NO_TMP_TABLE || m_lock_type != 2", file=file@entry=0x55d689d81169 "/test/10.2_dbg/sql/handler.cc", line=line@entry=3989, function=function@entry=0x55d689d80518 "uint handler::get_dup_key(int)") at assert.c:101
      #8  0x000055d68950622e in handler::get_dup_key (this=this@entry=0x151698011aa0, error=error@entry=121) at /test/10.2_dbg/sql/handler.cc:3991
      #9  0x000055d6895064fe in handler::print_error (this=0x151698011aa0, error=121, errflag=0) at /test/10.2_dbg/sql/handler.cc:3575
      #10 0x000055d689507d4f in ha_delete_table (thd=thd@entry=0x151698000d90, table_type=<optimized out>, path=path@entry=0x1516dc9d9b50 "./test/t1", db=<optimized out>, db@entry=0x151698011870 "test", alias=<optimized out>, generate_warning=generate_warning@entry=true) at /test/10.2_dbg/sql/handler.cc:2464
      #11 0x000055d689397d4c in mysql_rm_table_no_locks (thd=thd@entry=0x151698000d90, tables=tables@entry=0x151698011258, if_exists=if_exists@entry=false, drop_temporary=drop_temporary@entry=false, drop_view=drop_view@entry=false, dont_log_query=dont_log_query@entry=false, dont_free_locks=false) at /test/10.2_dbg/sql/sql_table.cc:2447
      #12 0x000055d689398e3a in mysql_rm_table (thd=thd@entry=0x151698000d90, tables=tables@entry=0x151698011258, if_exists=<optimized out>, drop_temporary=<optimized out>) at /test/10.2_dbg/sql/sql_table.cc:2089
      #13 0x000055d6892fa2b9 in mysql_execute_command (thd=thd@entry=0x151698000d90) at /test/10.2_dbg/sql/structs.h:530
      #14 0x000055d6892ffe33 in mysql_parse (thd=thd@entry=0x151698000d90, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x1516dc9db550, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /test/10.2_dbg/sql/sql_parse.cc:7790
      #15 0x000055d689302933 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x151698000d90, packet=packet@entry=0x1516980195d1 "DROP TABLE t1", packet_length=packet_length@entry=13, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /test/10.2_dbg/sql/sql_class.h:1109
      #16 0x000055d68930573c in do_command (thd=0x151698000d90) at /test/10.2_dbg/sql/sql_parse.cc:1381
      #17 0x000055d689408bcc in do_handle_one_connection (connect=connect@entry=0x55d68bbe02e0) at /test/10.2_dbg/sql/sql_connect.cc:1336
      #18 0x000055d689408df7 in handle_one_connection (arg=0x55d68bbe02e0) at /test/10.2_dbg/sql/sql_connect.cc:1241
      #19 0x00001516f7f6a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #20 0x00001516f7b61293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
      

      Bug confirmed present in:
      MariaDB: 10.2.38 (dbg)

      Bug (or feature/syntax) confirmed not present in:
      MariaDB: 10.3.29 (dbg), 10.4.19 (dbg), 10.5.10 (dbg), 10.6.0 (dbg)

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              Assignee:
              marko Marko Mäkelä
              Reporter:
              ramesh Ramesh Sivaraman
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                Created:
                Updated:

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