[jira] [Work logged] (HIVE-25792) Multi Insert query fails on CBO path

[ASF GitHub Bot (Jira)]

     [ 
https://issues.apache.org/jira/browse/HIVE-25792?focusedWorklogId=697271&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-697271
 ]

ASF GitHub Bot logged work on HIVE-25792:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 16/Dec/21 14:32
            Start Date: 16/Dec/21 14:32
    Worklog Time Spent: 10m 
      Work Description: pvary commented on a change in pull request #2865:
URL: https://github.com/apache/hive/pull/2865#discussion_r770590909



##########
File path: ql/src/java/org/apache/hadoop/hive/ql/Driver.java
##########
@@ -515,14 +516,16 @@ private void preparForCompile(boolean resetTaskIds) 
throws CommandProcessorExcep
   }
 
   private void prepareContext() throws CommandProcessorException {
+    String originalCboInfo = context != null ? context.cboInfo : null;

Review comment:
       Sadly this happens inside the `coreDriver.compileAndRespond(statement)` 
so even if we move the change to the `beforeCompile` the context will be 
recreated in the `prepareContext()`




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 697271)
    Time Spent: 5h 50m  (was: 5h 40m)

> Multi Insert query fails on CBO path 
> -------------------------------------
>
>                 Key: HIVE-25792
>                 URL: https://issues.apache.org/jira/browse/HIVE-25792
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Zoltan Haindrich
>            Assignee: Peter Vary
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 5h 50m
>  Remaining Estimate: 0h
>
> {code}
> set hive.cbo.enable=true;
> drop table if exists aa1;
> drop table if exists bb1;
> drop table if exists cc1;
> drop table if exists dd1;
> drop table if exists ee1;
> drop table if exists ff1;
> create table aa1 ( stf_id string);
> create table bb1 ( stf_id string);
> create table cc1 ( stf_id string);
> create table ff1 ( x string);
> explain
> from ff1 as a join cc1 as b 
> insert overwrite table aa1 select   stf_id GROUP BY b.stf_id
> insert overwrite table bb1 select b.stf_id GROUP BY b.stf_id
> ;
> {code}



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