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From "ASF GitHub Bot (Jira)" <>
Subject [jira] [Work logged] (HIVE-22256) Rewriting fails when `IN` clause has items in different order in MV and query.
Date Sat, 02 May 2020 00:10:00 GMT


ASF GitHub Bot logged work on HIVE-22256:

                Author: ASF GitHub Bot
            Created on: 02/May/20 00:09
            Start Date: 02/May/20 00:09
    Worklog Time Spent: 10m 
      Work Description: jcamachor commented on a change in pull request #1002:

File path: ql/src/java/org/apache/hadoop/hive/ql/parse/
@@ -2463,6 +2473,15 @@ private RelNode applyPostJoinOrderingTransform(RelNode basePlan, RelMetadataProv
                 HiveProjectSortExchangeTransposeRule.INSTANCE, HiveProjectMergeRule.INSTANCE);
+      // 10. We need to expand IN/BETWEEN expressions when loading a materialized view

Review comment:
       This is called only when we are loading the materialized view in the registry so we
can keep the plan in the correct form (IN and BETWEEN expanded) and we do not have to do it
at compilation time.

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Issue Time Tracking

    Worklog Id:     (was: 429738)
    Time Spent: 50m  (was: 40m)

> Rewriting fails when `IN` clause has items in different order in MV and query.
> ------------------------------------------------------------------------------
>                 Key: HIVE-22256
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO, Materialized views
>    Affects Versions: 3.1.2
>            Reporter: Steve Carlin
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-22256.01.patch, HIVE-22256.patch, expr2.sql
>          Time Spent: 50m
>  Remaining Estimate: 0h
> Rewriting fails on following materialized view and query (script is also attached):
> create materialized view view2 stored as orc as (select prod_id, cust_id, store_id, sale_date,
qty, amt, descr from sales where cust_id in (1,2,3,4,5));
> explain extended select prod_id, cust_id  from sales where cust_id in (5,1,2,3,4);

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