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  1. MariaDB Server
  2. MDEV-17717

Assertion `!table->pos_in_locked_tables' failed in tc_release_table on flushing RocksDB table under SERIALIZABLE

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      Run with RocksDB enabled:

      --source include/have_binlog_format_row.inc
       
      CREATE TABLE t1 (pk INT PRIMARY KEY) ENGINE=RocksDB;
      LOCK TABLE t1 WRITE;
      SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
      FLUSH TABLES;
       
      # Cleanup
      DROP TABLE t1;
      

      10.2 32bebfee

      mysqld: /data/src/10.2/sql/table_cache.cc:453: void tc_release_table(TABLE*): Assertion `!table->pos_in_locked_tables' failed.
      181114 16:40:23 [ERROR] mysqld got signal 6 ;
       
      #7  0x00007fd683225ee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
      #8  0x000055a483962206 in tc_release_table (table=0x7fd64c081a40) at /data/src/10.2/sql/table_cache.cc:453
      #9  0x000055a4836fbe82 in close_thread_table (thd=0x7fd64c000b00, table_ptr=0x7fd64c000be0) at /data/src/10.2/sql/sql_base.cc:903
      #10 0x000055a4836fe8ff in Locked_tables_list::unlink_all_closed_tables (this=0x7fd64c004550, thd=0x7fd64c000b00, lock=0x0, reopen_count=0) at /data/src/10.2/sql/sql_base.cc:2367
      #11 0x000055a4836feccc in Locked_tables_list::reopen_tables (this=0x7fd64c004550, thd=0x7fd64c000b00, need_reopen=false) at /data/src/10.2/sql/sql_base.cc:2464
      #12 0x000055a4836fb0e2 in close_cached_tables (thd=0x7fd64c000b00, tables=0x0, wait_for_refresh=true, timeout=86400) at /data/src/10.2/sql/sql_base.cc:485
      #13 0x000055a4838f340f in reload_acl_and_cache (thd=0x7fd64c000b00, options=4, tables=0x0, write_to_binlog=0x7fd66cf3e910) at /data/src/10.2/sql/sql_reload.cc:344
      #14 0x000055a483776d25 in mysql_execute_command (thd=0x7fd64c000b00) at /data/src/10.2/sql/sql_parse.cc:5401
      #15 0x000055a48377e865 in mysql_parse (thd=0x7fd64c000b00, rawbuf=0x7fd64c012548 "FLUSH TABLES", length=12, parser_state=0x7fd66cf3f200, is_com_multi=false, is_next_command=false) at /data/src/10.2/sql/sql_parse.cc:8012
      #16 0x000055a48376c1af in dispatch_command (command=COM_QUERY, thd=0x7fd64c000b00, packet=0x7fd64c18bd11 "FLUSH TABLES", packet_length=12, is_com_multi=false, is_next_command=false) at /data/src/10.2/sql/sql_parse.cc:1824
      #17 0x000055a48376ab12 in do_command (thd=0x7fd64c000b00) at /data/src/10.2/sql/sql_parse.cc:1378
      #18 0x000055a4838bd06d in do_handle_one_connection (connect=0x55a485e05b20) at /data/src/10.2/sql/sql_connect.cc:1335
      #19 0x000055a4838bcdfa in handle_one_connection (arg=0x55a485e05b20) at /data/src/10.2/sql/sql_connect.cc:1241
      #20 0x000055a483ce045c in pfs_spawn_thread (arg=0x55a485d51d20) at /data/src/10.2/storage/perfschema/pfs.cc:1862
      #21 0x00007fd684ce1494 in start_thread (arg=0x7fd66cf40700) at pthread_create.c:333
      #22 0x00007fd6832e293f in clone () from /lib/x86_64-linux-gnu/libc.so.6
      

      Non-debug build produces an error which is probably expected:

      query 'FLUSH TABLES' failed: 4057: MyRocks supports only READ COMMITTED and REPEATABLE READ isolation levels. Please change from current isolation level SERIALIZABLE
      

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              • Assignee:
                psergey Sergei Petrunia
                Reporter:
                elenst Elena Stepanova
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                • Created:
                  Updated: