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From "Hive QA (Jira)" <>
Subject [jira] [Commented] (HIVE-22785) Update/delete/merge statements not optimized through CBO
Date Mon, 30 Mar 2020 09:58:00 GMT


Hive QA commented on HIVE-22785:

Here are the results of testing the latest attachment:

{color:green}SUCCESS:{color} +1 due to 3 test(s) being added or modified.

{color:green}SUCCESS:{color} +1 due to 18142 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: 12998189 - PreCommit-HIVE-Build

> Update/delete/merge statements not optimized through CBO
> --------------------------------------------------------
>                 Key: HIVE-22785
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: CBO
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Krisztian Kasa
>            Priority: Critical
>         Attachments: HIVE-22785.1.patch, HIVE-22785.10.patch, HIVE-22785.11.patch, HIVE-22785.12.patch,
HIVE-22785.13.patch, HIVE-22785.14.patch, HIVE-22785.15.patch, HIVE-22785.15.patch, HIVE-22785.15.patch,
HIVE-22785.15.patch, HIVE-22785.2.patch, HIVE-22785.2.patch, HIVE-22785.3.patch, HIVE-22785.4.patch,
HIVE-22785.5.patch, HIVE-22785.6.patch, HIVE-22785.7.patch, HIVE-22785.8.patch, HIVE-22785.9.patch
> Currently, CBO is bypassed for update/delete/merge statements.
> To support optimizing these statements through CBO, we need to complete three main tasks:
1) support for sort in Calcite planner, 2) support for SORT in AST converter, and 3) {{RewriteSemanticAnalyzer}}
should extend {{CalcitePlanner}} instead of {{SemanticAnalyzer}}.

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