[jira] [Work logged] (HIVE-26274) No vectorization if query has upper case window function

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-26274?focusedWorklogId=776228&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-776228 ]

ASF GitHub Bot logged work on HIVE-26274:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 31/May/22 10:45
            Start Date: 31/May/22 10:45
    Worklog Time Spent: 10m 
      Work Description: kasakrisz opened a new pull request, #3332:
URL: https://github.com/apache/hive/pull/3332

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   ### What changes were proposed in this pull request?
   Convert window function names to lower case when looking up in vectorizable function registry.
   
   ### Why are the changes needed?
   Support case insensitivity of window functions when vectorizing PTF operator.
   
   ### Does this PR introduce _any_ user-facing change?
   No, but explain vectorization output may change if query has window functions
   
   ### How was this patch tested?
   ```
   mvn test -Dtest.output.overwrite -DskipSparkTests -Dtest=TestMiniLlapLocalCliDriver -Dqfile=vector_ptf_1.q -pl itests/qtest -Pitests
   ```




Issue Time Tracking
-------------------

            Worklog Id:     (was: 776228)
    Remaining Estimate: 0h
            Time Spent: 10m

> No vectorization if query has upper case window function
> --------------------------------------------------------
>
>                 Key: HIVE-26274
>                 URL: https://issues.apache.org/jira/browse/HIVE-26274
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Krisztian Kasa
>            Assignee: Krisztian Kasa
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> {code}
> CREATE TABLE t1 (a int, b int);
> EXPLAIN VECTORIZATION ONLY SELECT ROW_NUMBER() OVER(order by a) AS rn FROM t1;
> {code}
> {code}
> PLAN VECTORIZATION:
>   enabled: true
>   enabledConditionsMet: [hive.vectorized.execution.enabled IS true]
> STAGE DEPENDENCIES:
>   Stage-1 is a root stage
>   Stage-0 depends on stages: Stage-1
> STAGE PLANS:
>   Stage: Stage-1
>     Tez
>       Edges:
>         Reducer 2 <- Map 1 (SIMPLE_EDGE)
>       Vertices:
>         Map 1 
>             Execution mode: vectorized, llap
>             LLAP IO: all inputs
>             Map Vectorization:
>                 enabled: true
>                 enabledConditionsMet: hive.vectorized.use.vector.serde.deserialize IS true
>                 inputFormatFeatureSupport: [DECIMAL_64]
>                 featureSupportInUse: [DECIMAL_64]
>                 inputFileFormats: org.apache.hadoop.mapred.TextInputFormat
>                 allNative: true
>                 usesVectorUDFAdaptor: false
>                 vectorized: true
>         Reducer 2 
>             Execution mode: llap
>             Reduce Vectorization:
>                 enabled: true
>                 enableConditionsMet: hive.vectorized.execution.reduce.enabled IS true, hive.execution.engine tez IN [tez] IS true
>                 notVectorizedReason: PTF operator: ROW_NUMBER not in supported functions [avg, count, dense_rank, first_value, lag, last_value, lead, max, min, rank, row_number, sum]
>                 vectorized: false
>   Stage: Stage-0
>     Fetch Operator
> {code}
> {code}
>                 notVectorizedReason: PTF operator: ROW_NUMBER not in supported functions [avg, count, dense_rank, first_value, lag, last_value, lead, max, min, rank, row_number, sum]
> {code}



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