Gopal V created HIVE-21781: ------------------------------ Summary: Vectorization: Incomplete vectorization of "or false" with CBO off Key: HIVE-21781 URL: https://issues.apache.org/jira/browse/HIVE-21781 Project: Hive Issue Type: Bug Components: Logical Optimizer Reporter: Gopal V
{code} create temporary table foo (x int) ; insert into foo values(1),(2),(3),(4),(5); set hive.explain.user=false; explain vectorization detail select count(case when (x=1 or false) then 1 else 0 end ) from foo {code} {code} | Group By Operator | | aggregations: count(CASE WHEN (((x = 1) or false)) THEN (1) ELSE (0) END) | | Group By Vectorization: | | aggregators: VectorUDAFCount(IfExprLongScalarLongScalar(col 3:boolean, val 1, val 0)(children: VectorUDFAdaptor(((x = 1) or false))(children: LongColEqualLongScalar(col 0:int, val 1) -> 2:boolean) -> 3:boolean) -> 4:int) -> bigint | | className: VectorGroupByOperator | {code} The pass-through Calcite fixes this. {code} | OPTIMIZED SQL: SELECT COUNT(CASE WHEN `x` = 1 THEN 1 ELSE 0 END) AS `$f0` | | FROM `default`.`foo` {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)