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From "ASF GitHub Bot (Jira)" <>
Subject [jira] [Work logged] (HIVE-22536) Improve return path enabling/disabling
Date Tue, 17 Dec 2019 05:51:00 GMT


ASF GitHub Bot logged work on HIVE-22536:

                Author: ASF GitHub Bot
            Created on: 17/Dec/19 05:50
            Start Date: 17/Dec/19 05:50
    Worklog Time Spent: 10m 
      Work Description: jcamachor commented on pull request #866: HIVE-22536 Improve return
path enabling/disabling

 File path: ql/src/java/org/apache/hadoop/hive/ql/parse/
 @@ -464,7 +464,7 @@ Operator genOPTree(ASTNode ast, PlannerContext plannerCtx) throws SemanticExcept
           // 0. Gen Optimized Plan
           RelNode newPlan = logicalPlan();
-          if (this.conf.getBoolVar(HiveConf.ConfVars.HIVE_CBO_RETPATH_HIVEOP)) {
+          if (ReturnPathManager.shouldUse()) {
             if (cboCtx.type == PreCboCtx.Type.VIEW && !materializedView) {
 Review comment:
   > Or is it the case, that eventually we'll use RP for view creation as well?
   Exactly, this should be the case so we hit same validation path for queries and views.
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Issue Time Tracking

    Worklog Id:     (was: 360709)
    Time Spent: 3h  (was: 2h 50m)

> Improve return path enabling/disabling
> --------------------------------------
>                 Key: HIVE-22536
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Hive
>            Reporter: Miklos Gergely
>            Assignee: Miklos Gergely
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0
>         Attachments: HIVE-22536.01.patch, HIVE-22536.02.patch, HIVE-22536.03.patch
>          Time Spent: 3h
>  Remaining Estimate: 0h
> Instead of having a boolean for hive.cbo.returnpath.hiveop it should be on/off/supported.
In case of "supported" it should be used for a subset of commands which are already verified
to be able to work with return path. This is a temporary solution for the time while we are
developing return path, before making it the only way to handle commands.

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