[jira] [Commented] (HIVE-9138) Add some explain to PTF operator

[Navis (JIRA)]

    [ 
https://issues.apache.org/jira/browse/HIVE-9138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14249296#comment-14249296
 ] 

Navis commented on HIVE-9138:
-----------------------------

Now it shows something like this.
{noformat}
PTF Operator
  windowing: true
  query input definition
    input alias: ptf_0
    type: WINDOWING
  window table definition
    input alias: ptf_1
    name: windowingtablefunction
    order by: _col1
    partition by: _col0
    window definition
      alias: _wcol0
      arguments: _col1
      name: rank
      window function: GenericUDAFRankEvaluator
      window frame: PRECEDING(MAX)~FOLLOWING(MAX)
      isPivotResult: true
{noformat}

> Add some explain to PTF operator
> --------------------------------
>
>                 Key: HIVE-9138
>                 URL: https://issues.apache.org/jira/browse/HIVE-9138
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Trivial
>         Attachments: HIVE-9138.1.patch.txt
>
>
> PTFOperator does not explain anything in explain statement, making it hard to 
> understand the internal works. 



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