[jira] [Assigned] (IMPALA-13074) WRITE TO HDFS node is omitted from Web UI graphic plan

["Dániel Gábor Vankó (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-13074?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dániel Gábor Vankó reassigned IMPALA-13074:
-------------------------------------------

    Assignee: Dániel Gábor Vankó

> WRITE TO HDFS node is omitted from Web UI graphic plan
> ------------------------------------------------------
>
>                 Key: IMPALA-13074
>                 URL: https://issues.apache.org/jira/browse/IMPALA-13074
>             Project: IMPALA
>          Issue Type: Bug
>            Reporter: Noemi Pap-Takacs
>            Assignee: Dániel Gábor Vankó
>            Priority: Major
>              Labels: ramp-up
>
> The query plan shows the nodes that take part in the execution, forming a tree structure.
> It can be displayed in the CLI by issuing the EXPLAIN <query> command. When the actual query is executed, the plan tree can also be viewed in the Impala Web UI in a graphic form.
> However, the explain string and the graphic plan tree does not match: the top node is missing from the Web UI.
> This is especially confusing in case of DDL and DML statements, where the Data Sink is not displayed. This makes a SELECT * FROM table indistinguishable from a CREATE TABLE AS SELECT, since both only displays the SCAN node and omit the WRITE_TO_HDFS and SELECT node.
> It would make sense to include the WRITE_TO_HDFS node in DML/DDL plans.



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