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From "Hive QA (Jira)" <>
Subject [jira] [Commented] (HIVE-23130) User friendly error message when MV rewriting fails
Date Fri, 03 Apr 2020 21:09:00 GMT


Hive QA commented on HIVE-23130:

Here are the results of testing the latest attachment:

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:green}SUCCESS:{color} +1 due to 18172 tests passed

Test results:
Console output:
Test logs:

Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase

This message is automatically generated.

ATTACHMENT ID: 12998703 - PreCommit-HIVE-Build

> User friendly error message when MV rewriting fails
> ---------------------------------------------------
>                 Key: HIVE-23130
>                 URL:
>             Project: Hive
>          Issue Type: Task
>          Components: CBO
>            Reporter: Krisztian Kasa
>            Assignee: Krisztian Kasa
>            Priority: Minor
>         Attachments: HIVE-23130.1.patch, HIVE-23130.1.patch, HIVE-23130.2.patch
> If materialized view rewriting fails because an unsupported SQL clause or operator is
used we got an error message like this:
> {code}
> FAILED: SemanticException Cannot enable automatic rewriting for materialized view. Unsupported
RelNode type HiveSortExchange encountered in the query plan
> {code}
> This refers to the *HiveSortExchange* operator. This is introduced to CBO plan if the
statement has *sort by* clause which may not clear for the user.
> {code}
> create materialized view cmv_mat_view as select a, b, c from cmv_basetable sort by a;
> {code} 

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