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https://issues.apache.org/jira/browse/IMPALA-13074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18005284#comment-18005284
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ASF subversion and git services commented on IMPALA-13074:
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Commit c446291ccf43e1c003ba6f402df754f624f89754 in impala's branch
refs/heads/master from Daniel Vanko
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=c446291cc ]
IMPALA-13074: Add sink node to Web UI's graphical plan for DDL/DML queries
>From now on if a plan fragment's root data sink is a table sink, a
multi data sink or a merge sink, it will be included in the json
response and shown on the Web UI as parent of the plan fragment.
Testing
* adopted and refined impala-http-handler-test
* added new tests for related sink types
* tested manually on WebUI with
- CTAS statements
- UPDATE statements on Iceberg tables
- DELETE statements on Iceberg tables
- MERGE statements on Iceberg tables
Change-Id: Ib2bd442f6499efde7406d87c2b1fd1b46a45381b
Reviewed-on: http://gerrit.cloudera.org:8080/22496
Tested-by: Impala Public Jenkins <[email protected]>
Reviewed-by: Noemi Pap-Takacs <[email protected]>
Reviewed-by: Zoltan Borok-Nagy <[email protected]>
> 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: Noémi Pap-Takács
> 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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