[jira] [Comment Edited] (DRILL-7511) ClassCastException: *.NullableIntVector cannot be cast to *.NullableVarCharVector will occur when executing sql29 and sql50 (many tables hash join) in TPC-DS

["Changbo Shu (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-7511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17013340#comment-17013340 ] 

Changbo Shu edited comment on DRILL-7511 at 1/11/20 2:38 AM:
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I find a problem of project pushdown in my program through debug test.  I think that  project express about complex table join is incorrect.


was (Author: sucab):
I find a problem of project pushdown through debug test.  I think that  project express about complex table join is incorrect.

> ClassCastException: *.NullableIntVector cannot be cast to *.NullableVarCharVector will occur when executing sql29 and sql50 (many tables hash join) in TPC-DS
> -------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-7511
>                 URL: https://issues.apache.org/jira/browse/DRILL-7511
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Relational Operators, Query Planning & Optimization
>    Affects Versions: 1.16.0
>            Reporter: Changbo Shu
>            Priority: Major
>
> for example, sql29 as follows:
> select 
>   i_item_id,
>   i_item_desc,
>   s_store_id,
>   s_store_name,
>   max(ss_quantity) as store_sales_quantity,
>   max(sr_return_quantity) as store_returns_quantity,
>   max(cs_quantity) as catalog_sales_quantity
> from
>   store_sales,
>   store_returns,
>   catalog_sales,
>   date_dim d1,
>   date_dim d2,
>   date_dim d3,
>   store,
>   item
> where
>   d1.d_moy = 4
> and d1.d_year=1998
> and d1.d_date_sk = ss_sold_date_sk
> and i_item_sk = ss_item_sk
> and s_store_sk = ss_store_sk
> and ss_customer_sk = sr_customer_sk
> and ss_item_sk = sr_item_sk
> and ss_ticket_number = sr_ticket_number
> and sr_returned_date_sk = d2.d_date_sk
> and d2.d_moy between 4 and 4+3
> and d2.d_year = 1998
> and sr_customer_sk = cs_bill_customer_sk
> and sr_item_sk = cs_item_sk
> and cs_sold_date_sk = cs_item_sk
> and cs_sold_date_sk = d3.d_date_sk
> and d3.d_year in (1998, 1998+1, 1998+2)
> group by 
>   i_item_id,
>   i_item_desc,
>   s_store_id,
>   s_store_name
> order by
>   i_item_id,
>   i_item_desc,
>   s_store_id,
>   s_store_name
> limit 100;
>  
> exception stack as follows:
> Caused by: java.lang.ClassCastException: org.apache.drill.exec.vector.NullableIntVector cannot be cast to org.apache.drill.exec.vector.NullableVarCharVector
>   at org.apache.drill.exec.vector.NullableVarCharVector.copyEntry(NullableVarcharVector.java:410)
>  at org.apache.drill.exec.test.generated.HashJoinProbeGen1.appendProbe(HashJoinProbeTemplate.java:191)
>  at org.apache.drill.exec.test.generated.HashJoinProbeGen1.outputRow(HashJoinProbeTemplate.java:213)
> ....



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