Xiaomin Zhang created HIVE-25548:
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Summary: ClassCastException during VectorMapJoinCommonOperator
initialization for some queries
Key: HIVE-25548
URL: https://issues.apache.org/jira/browse/HIVE-25548
Project: Hive
Issue Type: Bug
Affects Versions: 3.0.0, 2.3.0, 2.2.0, 2.1.0
Reporter: Xiaomin Zhang
This issue is very similar to https://issues.apache.org/jira/browse/HIVE-19388.
On a Hive release with HIVE-19388 fixed, some queries still failed.
set hive.execution.engine=spark;
create table if not exists t1(c int, d decimal) stored as orc;
insert into t1 values(0, 1);
create table if not exists t2(p int, q decimal) partitioned by (d int) stored
as ORC;
insert into t2 partition(d=10) values(10,2);
select c,t.p from t1 join (select * from t2 where t2.d=1) t on t1.d=t.q join
(select * from t2)x on x.d=t.d group by c,t.p;
Setting hive.mapjoin.optimized.hashtable=false worked, which is the same
workaround without HIVE-19388 fix
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