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From "Vikram Dixit K (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4106) SMB joins fail in multi-way joins
Date Fri, 12 Apr 2013 11:00:16 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13629994#comment-13629994
] 

Vikram Dixit K commented on HIVE-4106:
--------------------------------------

[~namit]
{noformat}
select i_item_id
       ,i_item_desc
       ,i_current_price
 from item i
      join inventory inv on (inv.inv_item_sk = i.i_item_sk)
      join date_dim d on (d.d_date_sk = inv.inv_date_sk)
      join store_sales ss on (ss.ss_item_sk = i.i_item_sk)
 where i_current_price between 62 and 62+30.0
 and d_date between '2000-05-25' and '2000-07-27'
 and i_manufact_id in (129,270,821,423)
 and inv_quantity_on_hand between 100 and 500
 group by i_item_id,i_item_desc,i_current_price
 order by i_item_id
 limit 100;
{noformat}

This is the TPC-DS benchmark query (scale 1 but this does not matter) where store_sales and
inventory are sorted as follows:

store_sales: sorted by ss_item_sk, partitioned on ss_sold_date, clustered by ss_item_sk
inventory: partitioned by (inv_date string) clustered by (inv_item_sk) sorted by (inv_item_sk)
item: non-partitioned, bucketed clustered by (i_item_sk) sorted by (i_item_sk)
date_dim: non-partitioned, non-bucketed.
                
> SMB joins fail in multi-way joins
> ---------------------------------
>
>                 Key: HIVE-4106
>                 URL: https://issues.apache.org/jira/browse/HIVE-4106
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.11.0
>            Reporter: Vikram Dixit K
>            Assignee: Vikram Dixit K
>            Priority: Blocker
>         Attachments: auto_sortmerge_join_12.q, HIVE-4106.patch
>
>
> I see array out of bounds exception in case of multi way smb joins. This is related to
changes that went in as part of HIVE-3403. This issue has been discussed in HIVE-3891.

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