Pivot throws an error

MariaDB [test]> select @@query_cache_type;

+--------------------+

| @@query_cache_type |

+--------------------+

| OFF                |

+--------------------+

1 row in set (0.00 sec)

MariaDB [test]> select who, week, what, sum(amount) from expenses

    ->        group by who, week, what; 

+-------+------+------+-------------+

| who   | week | what | sum(amount) |

+-------+------+------+-------------+

| Beth  |    3 | Beer |          16 |

| Beth  |    4 | Beer |          15 |

| Beth  |    4 | Food |          17 |

| Beth  |    5 | Beer |          20 |

| Beth  |    5 | Food |          12 |

| Janet |    3 | Beer |          18 |

| Janet |    3 | Car  |          19 |

| Janet |    3 | Food |          18 |

| Janet |    4 | Car  |          17 |

| Janet |    5 | Beer |          33 |

| Janet |    5 | Car  |          12 |

| Janet |    5 | Food |          12 |

| Joe   |    3 | Beer |          18 |

| Joe   |    3 | Car  |          20 |

| Joe   |    3 | Food |          31 |

| Joe   |    4 | Beer |          49 |

| Joe   |    4 | Food |          34 |

| Joe   |    5 | Beer |          14 |

| Joe   |    5 | Food |          12 |

+-------+------+------+-------------+

19 rows in set (0.00 sec)

MariaDB [test]> create table pivex

    -> engine=connect table_type=pivot tabname=expenses;

Query OK, 0 rows affected (0.01 sec)

MariaDB [test]> select * from pivex;

ERROR 1296 (HY000): Got error 174 'Cannot access test.expenses' from CONNECT

MariaDB [test]> select * from federatedconnect limit 10;

+----+------+

| id | id2  |

+----+------+

|  5 | NULL |

|  1 |    4 |

|  2 |    5 |

|  3 |    5 |

|  4 |    5 |

| 11 |   11 |

| 12 |   11 |

| 13 |   13 |

| 14 |   20 |

| 15 |   20 |

+----+------+

10 rows in set (0.01 sec)

MariaDB [test]> select * from pivex;

ERROR 2013 (HY000): Lost connection to MySQL server during query

Aug 10 00:07:57 localhost mysqld: This could be because you hit a bug. It is also possible that this binary

Aug 10 00:07:57 localhost mysqld: or one of the libraries it was linked against is corrupt, improperly built,

Aug 10 00:07:57 localhost mysqld: or misconfigured. This error can also be caused by malfunctioning hardware.

Aug 10 00:07:57 localhost mysqld:

Aug 10 00:07:57 localhost mysqld: To report this bug, see http://kb.askmonty.org/en/reporting-bugs

Aug 10 00:07:57 localhost mysqld:

Aug 10 00:07:57 localhost mysqld: We will try our best to scrape up some info that will hopefully help

Aug 10 00:07:57 localhost mysqld: diagnose the problem, but since we have already crashed,

Aug 10 00:07:57 localhost mysqld: something is definitely wrong and this may fail.

Aug 10 00:07:57 localhost mysqld:

Aug 10 00:07:57 localhost mysqld: Server version: 10.0.3-MariaDB-1~precise-log

Aug 10 00:07:57 localhost mysqld: key_buffer_size=134217728

Aug 10 00:07:57 localhost mysqld: read_buffer_size=2097152

Aug 10 00:07:57 localhost mysqld: max_used_connections=3

Aug 10 00:07:57 localhost mysqld: max_threads=102

Aug 10 00:07:57 localhost mysqld: thread_count=2

Aug 10 00:07:57 localhost mysqld: It is possible that mysqld could use up to

Aug 10 00:07:57 localhost mysqld: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 759757 K  bytes of memory

Aug 10 00:07:57 localhost mysqld: Hope that's ok; if not, decrease some variables in the equation.

Aug 10 00:07:57 localhost mysqld:

Aug 10 00:07:57 localhost mysqld: Thread pointer: 0x0x7f6d21e37588

Aug 10 00:07:57 localhost mysqld: Attempting backtrace. You can use the following information to find out

Aug 10 00:07:57 localhost mysqld: where mysqld died. If you see no messages after this, something went

Aug 10 00:07:57 localhost mysqld: terribly wrong...

Aug 10 00:07:57 localhost mysqld: stack_bottom = 0x7f6d1f77ee50 thread_stack 0x48000

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d201116fb]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fce5b31]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1ed87cb0]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6cf9f39794]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6cf9f3a74c]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fcefe5c]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fdab3cd]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fdabd90]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fb48269]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fb51c9a]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fb859e1]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fb8d2c2]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fb93bca]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fb962b1]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fc619a3]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1fc61b27]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1ed7fe9a]

Aug 10 00:07:57 localhost mysqld: ??:0(??)[0x7f6d1da3accd]

Aug 10 00:07:57 localhost mysqld: 

Aug 10 00:07:57 localhost mysqld: Trying to get some variables.

Aug 10 00:07:57 localhost mysqld: Some pointers may be invalid and cause the dump to abort.

Aug 10 00:07:57 localhost mysqld: Query (0x7f6cd40049e0): is an invalid pointer

Aug 10 00:07:57 localhost mysqld: Connection ID (thread ID): 36

Aug 10 00:07:57 localhost mysqld: Status: NOT_KILLED

Aug 10 00:07:57 localhost mysqld: 

Aug 10 00:07:57 localhost mysqld: Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=on,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=off,exists_to_in=off

Aug 10 00:07:57 localhost mysqld: 

Aug 10 00:07:57 localhost mysqld: The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains

Aug 10 00:07:57 localhost mysqld: information that should help you find out what is causing the crash.

Aug 10 00:07:57 localhost mysqld_safe: Number of processes running now: 0

Aug 10 00:07:57 localhost mysqld_safe: mysqld restarted

Aug 10 00:07:57 localhost mysqld: /usr/sbin/mysqld: Query cache is disabled (resize or similar command in progress); repeat this command later

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 InnoDB: The InnoDB memory heap is disabled

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 InnoDB: Mutexes and rw_locks use GCC atomic builtins

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 InnoDB: Compressed tables use zlib 1.2.3.4

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 InnoDB: Using Linux native AIO

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 InnoDB: CPU supports crc32 instructions

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 InnoDB: Initializing buffer pool, size = 256.0M

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 InnoDB: Completed initialization of buffer pool

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 InnoDB: highest supported file format is Barracuda.

Aug 10 00:07:57 localhost mysqld: InnoDB: The log sequence number in ibdata files does not match

Aug 10 00:07:57 localhost mysqld: InnoDB: the log sequence number in the ib_logfiles!

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57  InnoDB: Database was not shut down normally!

Aug 10 00:07:57 localhost mysqld: InnoDB: Starting crash recovery.

Aug 10 00:07:57 localhost mysqld: InnoDB: Reading tablespace information from the .ibd files...

Aug 10 00:07:57 localhost mysqld: InnoDB: Restoring possible half-written data pages from the doublewrite

Aug 10 00:07:57 localhost mysqld: InnoDB: buffer...

Aug 10 00:07:57 localhost mysqld: InnoDB: Last MySQL binlog file position 0 2279, file name /var/log/mysql/mariadb-bin.000039

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 InnoDB: 128 rollback segment(s) are active.

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 InnoDB: 10.0.3-MariaDB started; log sequence number 1803222

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 [Note] Plugin 'FEEDBACK' is disabled.

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 [Note] CONNECT: connect.ini=/var/lib/mysql/connect.ini

Aug 10 00:07:57 localhost mysqld: profile file /var/lib/mysql/connect.ini not found

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 [Note] Recovering after a crash using /var/log/mysql/mariadb-bin

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 [Note] Starting crash recovery...

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 [Note] Crash recovery finished.

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 [Note] Server socket created on IP: '0.0.0.0'.

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 [Note] Event Scheduler: Loaded 0 events

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 [Note] Reading of all Master_info entries succeded

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 [Note] Added new Master_info '' to hash table

Aug 10 00:07:57 localhost mysqld: 130810  0:07:57 [Note] /usr/sbin/mysqld: ready for connections.

Aug 10 00:07:57 localhost mysqld: Version: '10.0.3-MariaDB-1~precise-log'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  mariadb.org binary distribution