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  1. MariaDB Server
  2. MDEV-5918

Assertion `m_lock_type == 2' fails on dropping a locked CONNECT table

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      CREATE TABLE t1 (i INT) ENGINE=CONNECT TABLE_TYPE=DOS FILE_NAME='t1.dos';
      LOCK TABLE t1 WRITE;
      DROP TABLE t1;

      10.0/sql/handler.cc:2492: int handler::ha_close(): Assertion `m_lock_type == 2' failed.
      140321  2:28:55 [ERROR] mysqld got signal 6 ;

      #6  0x00007fa644b07621 in *__GI___assert_fail (assertion=0xfdc97e "m_lock_type == 2", file=<optimized out>, line=2492, function=0xfe0050 "int handler::ha_close()") at assert.c:81
      #7  0x00000000008611f6 in handler::ha_close (this=0x7fa6184cea88) at 10.0/sql/handler.cc:2492
      #8  0x000000000074d381 in closefrm (table=0x7fa6184dec70, free_share=true) at 10.0/sql/table.cc:2941
      #9  0x000000000060f7a4 in intern_close_table (table=0x7fa6184dec70) at 10.0/sql/sql_base.cc:342
      #10 0x00000000007ed858 in tc_release_table (table=0x7fa6184dec70) at 10.0/sql/table_cache.cc:409
      #11 0x0000000000610d66 in close_thread_table (thd=0x7fa626bc8070, table_ptr=0x7fa626bc8130) at 10.0/sql/sql_base.cc:1054
      #12 0x0000000000610770 in close_all_tables_for_name (thd=0x7fa626bc8070, share=0x7fa6184bd688, extra=HA_EXTRA_NOT_USED, skip_table=0x0) at 10.0/sql/sql_base.cc:846
      #13 0x0000000000718407 in mysql_rm_table_no_locks (thd=0x7fa626bc8070, tables=0x7fa618413150, if_exists=false, drop_temporary=false, drop_view=false, dont_log_query=false, dont_free_locks=false) at 10.0/sql/sql_table.cc:2478
      #14 0x0000000000717866 in mysql_rm_table (thd=0x7fa626bc8070, tables=0x7fa618413150, if_exists=0 '\000', drop_temporary=0 '\000') at 10.0/sql/sql_table.cc:2106
      #15 0x000000000067606c in mysql_execute_command (thd=0x7fa626bc8070) at 10.0/sql/sql_parse.cc:3701
      #16 0x000000000067d66b in mysql_parse (thd=0x7fa626bc8070, rawbuf=0x7fa618413088 "DROP TABLE t1", length=13, parser_state=0x7fa6469cd610) at 10.0/sql/sql_parse.cc:6447
      #17 0x0000000000670438 in dispatch_command (command=COM_QUERY, thd=0x7fa626bc8070, packet=0x7fa626e9b071 "DROP TABLE t1", packet_length=13) at 10.0/sql/sql_parse.cc:1308
      #18 0x000000000066f7da in do_command (thd=0x7fa626bc8070) at 10.0/sql/sql_parse.cc:1005
      #19 0x0000000000789e72 in do_handle_one_connection (thd_arg=0x7fa626bc8070) at 10.0/sql/sql_connect.cc:1379
      #20 0x0000000000789bc5 in handle_one_connection (arg=0x7fa626bc8070) at 10.0/sql/sql_connect.cc:1293
      #21 0x0000000000a2f174 in pfs_spawn_thread (arg=0x7fa626bf13f0) at 10.0/storage/perfschema/pfs.cc:1853
      #22 0x00007fa6466abb50 in start_thread (arg=<optimized out>) at pthread_create.c:304
      #23 0x00007fa644bb6a7d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

      revision-id: svoj@mariadb.org-20140320071113-ql1nx7dc9h22odx3
      date: 2014-03-20 11:11:13 +0400
      build-date: 2014-03-21 02:40:25 +0400
      revno: 4071
      branch-nick: 10.0

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            • Assignee:
              bertrandop Olivier Bertrand
              Reporter:
              elenst Elena Stepanova
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