6.3.0 - Query crashes cluster nodes when sent via master about manticoresearch

[sanikolaev]

Thanks @kashak88

MRE

mysql> drop table if exists t; create table t(a int, b int, c int, d int, e int, f int); insert into t(id) values(1); drop table if exists d; create table d type='distributed' agent='127.0.0.1:9312:t'; select id from d group by a order by a desc, b desc, c desc, d desc, e desc, f desc facet a;
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drop table if exists t
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Query OK, 0 rows affected (0.01 sec)

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create table t(a int, b int, c int, d int, e int, f int)
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Query OK, 0 rows affected (0.00 sec)

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insert into t(id) values(1)
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Query OK, 1 row affected (0.00 sec)

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drop table if exists d
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Query OK, 0 rows affected (0.00 sec)

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create table d type='distributed' agent='127.0.0.1:9312:t'
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Query OK, 0 rows affected (0.00 sec)

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select id from d group by a order by a desc, b desc, c desc, d desc, e desc, f desc facet a
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ERROR 2013 (HY000): Lost connection to MySQL server during query
No connection. Trying to reconnect...
ERROR 2003 (HY000): Can't connect to MySQL server on '0:9306' (61)
ERROR:
Can't connect to the server

Notes:

• FACET is important
• group by is important
• the excessive ordering is important