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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15955) make explain formatted to dump JSONObject when user level explain is on
Date Fri, 17 Feb 2017 18:35:41 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15872268#comment-15872268
] 

Pengcheng Xiong commented on HIVE-15955:
----------------------------------------

I have attached test case there as well. If you take a look at the JSON output, you will see
for example
{code}
{"Reduce Output Operator":{"outputname:":"Reducer 5","PartitionCols:":"_col0, _col1","Statistics:":"rows=2
width=0","OperatorId:":"RS_56"}}}}}}}}
{code}

This shows that the operatorID is "RS_56", and it is outputing to "Reducer 5". The source
operator of "Reducer 5" is also easy to find. Then you will have the information of the output
operator of "RS_56".

> make explain formatted to dump JSONObject when user level explain is on
> -----------------------------------------------------------------------
>
>                 Key: HIVE-15955
>                 URL: https://issues.apache.org/jira/browse/HIVE-15955
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-15955.01.patch
>
>




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