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From "Aman Sinha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3330) CanNoPlanException during query planning for join
Date Thu, 02 Jul 2015 20:58:04 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14612508#comment-14612508

Aman Sinha commented on DRILL-3330:

[~Rajkumar Singh] for future reference, please use formatting options for queries and DDL
statements etc when submitting a JIRA, otherwise it makes it really hard to read.  I have
formatted your description.   Also, if you have actual data to include, don't add it to the
description.  Provide it as an attachment.  

> CanNoPlanException during query planning for join
> -------------------------------------------------
>                 Key: DRILL-3330
>                 URL: https://issues.apache.org/jira/browse/DRILL-3330
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 1.0.0
>         Environment: Drill 1.0.0 
>            Reporter: Rajkumar Singh
>            Assignee: Jinfeng Ni
>             Fix For: 1.2.0
> I have created two views from my sample data as follows
> Sample Data
> rsingh@Administrators-MacBook-Pro-4 ~/Downloads/apache-drill-1.0.0$ cat sample-data/master-data.csv

> {code}
> 1,1,20.4.09,201,Orci Donec Nibh PC,1,tellus.eu.augue@congueelitsed.co.uk,200,Dai Woodward,300,Hannah
> {code}
> {code}
> CREATE VIEW dfs.tmp.`fact_a` AS select distinct CAST(columns[0] as INTEGER) as b_id,
CAST(columns[1] as INTEGER) as c_id, CAST(columns[2] as DATE) as a_date, CAST(columns[3] AS
INTEGER) as a_value from dfs.root.`/Users/rsingh/Downloads/apache-drill-1.0.0/sample-data/master-data.csv`
order by b_id, c_id, a_date;
> CREATE VIEW dfs.tmp.`dim_c` AS select CAST(columns[1] as INTEGER) as c_id, CAST(columns[12]
as VARCHAR) as c_desc, CAST(columns[11] as INTEGER) as c4_id, CAST(columns[10] as VARCHAR)
as c4_desc, CAST(columns[9] as INTEGER) as c3_id,
> CAST(columns[7] as INTEGER) as c2_id, CAST(columns[5] as INTEGER) as c1_id from dfs.root.`/Users/rsingh/Downloads/apache-drill-1.0.0/sample-data/master-data.csv`
> by c_id, c4_id, c3_id, c2_id, c1_id;
> {code}
> while trying to join the views getting CanNotPlanException(huge trace can not paste here)
> join query:
> {code}
> select a11.c_id c_id,
> max(a12.c_desc) c_desc,
> max(a12.c4_desc) c4_desc,
> sum(a11.a_value) a_value
> from dfs.tmp.`fact_a` a11
> join dfs.tmp.`dim_c` a12 
> on (a11.c_id =a12.c_id)
> group by a11.c_id;
> {code}

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