[jira] [Created] (HIVE-20712) HivePointLookupOptimizer should extract deep cases

["Zoltan Haindrich (JIRA)" <ji...@apache.org>]

Zoltan Haindrich created HIVE-20712:
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             Summary: HivePointLookupOptimizer should extract deep cases
                 Key: HIVE-20712
                 URL: https://issues.apache.org/jira/browse/HIVE-20712
             Project: Hive
          Issue Type: Improvement
            Reporter: Zoltan Haindrich
            Assignee: Zoltan Haindrich



currently IN extraction stops at the first level; as a result for the following query, the nested INs are not closed back.

{code}
create table t(a integer);
create table t2(b integer);

insert into t values (1),(2),(3),(4);
insert into t2 values (1),(2),(3),(4);

explain
select * from t,t2 where
	a*a=b+3
	and
	a in (1,2,3,4)
	and
	b in (1,2,3,4)

	and (
		(a in (1,2) and b in (1,2) ) or 
		(a in (2,3) and b in (2,3) )
			)
	;
{code}



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