hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Krisztian Kasa (Jira)" <>
Subject [jira] [Updated] (HIVE-23130) User friendly error message when MV rewriting fails
Date Fri, 03 Apr 2020 07:10:00 GMT


Krisztian Kasa updated HIVE-23130:
    Status: Open  (was: Patch Available)

> 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} 

This message was sent by Atlassian Jira

View raw message