[ https://issues.apache.org/jira/browse/HIVE-20277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matt McCline updated HIVE-20277: -------------------------------- Summary: Vectorization: Case expressions that return BOOLEAN are not supported for FILTER (was: Vectorization: Case expressions that return NULL in FILTER) > Vectorization: Case expressions that return BOOLEAN are not supported for > FILTER > -------------------------------------------------------------------------------- > > Key: HIVE-20277 > URL: https://issues.apache.org/jira/browse/HIVE-20277 > Project: Hive > Issue Type: Bug > Components: Vectorization > Affects Versions: 4.0.0 > Reporter: Gopal V > Assignee: Matt McCline > Priority: Major > Attachments: HIVE-20277.WIP.01.patch > > > In cases like Query89, the vertex with the filter is not vectorized. > {code} > Filter Operator > predicate: CASE WHEN ((avg_window_0 <> 0.0D)) THEN > (((abs((_col6 - avg_window_0)) / avg_window_0) > 0.1D)) ELSE (null) END > (type: boolean) > {code} > {code} > Reducer 3 > Execution mode: llap > Reduce Vectorization: > enabled: true > enableConditionsMet: hive.vectorized.execution.reduce.enabled > IS true, hive.execution.engine tez IN [tez, spark] IS true > notVectorizedReason: FILTER operator: Unexpected hive type > name void > vectorized: false > {code} > The query specifically has > {code} > where case when (avg_monthly_sales <> 0) then (abs(sum_sales - > avg_monthly_sales) / avg_monthly_sales) else null end > 0.1 > {code} > while rewriting it to > {code} > where case when (avg_monthly_sales <> 0) then (abs(sum_sales - > avg_monthly_sales) / avg_monthly_sales) > 0.1 else false end > {code} > does vectorize into > {code} > Filter Operator > Filter Vectorization: > className: VectorFilterOperator > native: true > predicateExpression: SelectColumnIsTrue(col > 12:boolean)(children: VectorUDFAdaptor(CASE WHEN ((avg_window_0 <> 0.0D)) > THEN (((abs((_col6 - avg_window_0)) / avg_window_0) > 0.1D)) ELSE (false) > END)(children: DoubleColNotEqualDoubleScalar(col 7:double, val 0.0) -> > 8:boolean, DoubleColGreaterDoubleScalar(col 9:double, val 0.1)(children: > DoubleColDivideDoubleColumn(col 10:double, col 7:double)(children: > FuncAbsDoubleToDouble(col 9:double)(children: > DoubleColSubtractDoubleColumn(col 6:double, col 7:double) -> 9:double) -> > 10:double) -> 9:double) -> 11:boolean) -> 12:boolean) > predicate: CASE WHEN ((avg_window_0 <> 0.0D)) THEN > (((abs((_col6 - avg_window_0)) / avg_window_0) > 0.1D)) ELSE (false) END > (type: boolean) > Statistics: Num rows: 11 Data size: 5291 Basic stats: > COMPLETE Column stats: COMPLETE > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)