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From "Jatin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CARBONDATA-997) Correct result does not display in presto integration as compare to CarbonData
Date Fri, 09 Jun 2017 12:30:18 GMT

    [ https://issues.apache.org/jira/browse/CARBONDATA-997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16044370#comment-16044370
] 

Jatin commented on CARBONDATA-997:
----------------------------------

This bug is Invalid as presto doesnot support order by with column name having selection of
same column twice or more. i.e why it throws column is ambiguous.
Instead we can create an alias for that column as 
select BIGINT_COLUMN1,BIGINT_COLUMN1 as newbig  from UNIQDATA where DECIMAL_COLUMN1<=BIGINT_COLUMN1
order by BIGINT_COLUMN1;

> Correct result does not display in presto integration as compare to CarbonData
> ------------------------------------------------------------------------------
>
>                 Key: CARBONDATA-997
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-997
>             Project: CarbonData
>          Issue Type: Bug
>          Components: data-query, presto-integration
>    Affects Versions: 1.1.0
>         Environment: spark 2.1, presto 0.166
>            Reporter: Vandana Yadav
>            Priority: Minor
>         Attachments: 2000_UniqData.csv
>
>
> Correct result does not display in presto integration as compare to CarbonData
> Steps to reproduce :
> 1. In CarbonData:
> a) Create table:
> CREATE TABLE uniqdata (CUST_ID int,CUST_NAME String,ACTIVE_EMUI_VERSION string, DOB timestamp,
DOJ timestamp, BIGINT_COLUMN1 bigint,BIGINT_COLUMN2 bigint,DECIMAL_COLUMN1 decimal(30,10),
DECIMAL_COLUMN2 decimal(36,10),Double_COLUMN1 double, Double_COLUMN2 double,INTEGER_COLUMN1
int) STORED BY 'org.apache.carbondata.format' TBLPROPERTIES ("TABLE_BLOCKSIZE"= "256 MB");
> b) Load data : 
> LOAD DATA INPATH 'hdfs://localhost:54310/2000_UniqData.csv' into table uniqdata OPTIONS('DELIMITER'=','
, 'QUOTECHAR'='"','BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME,ACTIVE_EMUI_VERSION,DOB,DOJ,BIGINT_COLUMN1,BIGINT_COLUMN2,DECIMAL_COLUMN1,DECIMAL_COLUMN2,Double_COLUMN1,Double_COLUMN2,INTEGER_COLUMN1');
> 2. In presto 
> a) Execute the query:
> select BIGINT_COLUMN1, BIGINT_COLUMN1 from UNIQDATA where DECIMAL_COLUMN1<=BIGINT_COLUMN1
order by BIGINT_COLUMN1
> Actual result :
> In CarbonData:
> "| 123372038849    | 123372038849    |
> | 123372038850    | 123372038850    |
> | 123372038851    | 123372038851    |
> | 123372038852    | 123372038852    |
> | 123372038853    | 123372038853    |
> +-----------------+-----------------+--+
> 2,000 rows selected (1.087 seconds)
> "
> In presto:
> "Query 20170420_091614_00065_hd7jy failed: line 1:100: Column 'bigint_column1' is ambiguous
> select BIGINT_COLUMN1, BIGINT_COLUMN1 from UNIQDATA where DECIMAL_COLUMN1<=BIGINT_COLUMN1
order by BIGINT_COLUMN1"
> Expected result: it should display the same result as showing in CarbonData.



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