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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-24081) Enable pre-materializing CTEs referenced in scalar subqueries
Date Mon, 31 Aug 2020 09:03:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-24081?focusedWorklogId=476456&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-476456
]

ASF GitHub Bot logged work on HIVE-24081:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 31/Aug/20 09:02
            Start Date: 31/Aug/20 09:02
    Worklog Time Spent: 10m 
      Work Description: kasakrisz commented on a change in pull request #1437:
URL: https://github.com/apache/hive/pull/1437#discussion_r479994280



##########
File path: ql/src/java/org/apache/hadoop/hive/ql/parse/QBParseInfo.java
##########
@@ -677,6 +685,33 @@ public void setNoScanAnalyzeCommand(boolean isNoScanAnalyzeCommand) {
   public boolean hasInsertTables() {
     return this.insertIntoTables.size() > 0 || this.insertOverwriteTables.size() >
0;
   }
+
+  public boolean isFullyAggregate() throws SemanticException {

Review comment:
       Added javadocs. I think it can be non-static until it is used from another location.
It uses the `destToSelExpr` field located in `QBParseInfo`.




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

    Worklog Id:     (was: 476456)
    Time Spent: 1h  (was: 50m)

> Enable pre-materializing CTEs referenced in scalar subqueries
> -------------------------------------------------------------
>
>                 Key: HIVE-24081
>                 URL: https://issues.apache.org/jira/browse/HIVE-24081
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Krisztian Kasa
>            Assignee: Krisztian Kasa
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> HIVE-11752 introduces materializing CTE based on config
> {code}
> hive.optimize.cte.materialize.threshold
> {code}
> Goal of this jira is
> * extending the implementation to support materializing CTE's referenced in scalar subqueries
> * add a config to materialize CTEs with aggregate output only



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