LP:695006 - Queries with "converting HEAP to Aria" status do not respond to KILL QUERY

Queries for which the SHOW PROCESSLIST shows "converting HEAP to Aria" can not be killed using KILL QUERY. The connection status does not even change to "Killed"

Id: 8
User: root
Host: localhost:52982
db: test
Command: Query
Time: 45
State: converting HEAP to Aria
Info: SELECT * FROM lineitem AS p_l , orders AS p_o WHERE p_l.l_orderkey = p_o.o_orderkey AND p_o.o_orderkey IN ( SELECT c_l.l_orderkey FROM lineitem AS c_l , orders AS c_o WHERE c_l.l_orderkey = c_o.o_orderkey AND c_o.o_orderkey < 70 AND c_o.o_orderkey > 180 ) OR p_o.o_orderkey IN ( SELECT p_l.l_orderkey FROM lineitem AS c_l , orders AS c_o WHERE c_l.l_orderkey = c_o.o_orderkey AND c_l.l_orderkey = 238 ) LIMIT 1

To reproduce, run the query above against the dbt3-s0.001.dump dataset that can be found here:

http://bazaar.launchpad.net/~randgen/randgen/rqg2/files/head:/conf/dbt3/