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From "Deneche A. Hakim (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-4457) Difference in results returned by window function over BIGINT data
Date Mon, 07 Mar 2016 15:25:40 GMT

     [ https://issues.apache.org/jira/browse/DRILL-4457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Deneche A. Hakim updated DRILL-4457:
------------------------------------
    Assignee: Aman Sinha  (was: Deneche A. Hakim)

> Difference in results returned by window function over BIGINT data
> ------------------------------------------------------------------
>
>                 Key: DRILL-4457
>                 URL: https://issues.apache.org/jira/browse/DRILL-4457
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>    Affects Versions: 1.6.0
>         Environment: 4 node cluster
>            Reporter: Khurram Faraaz
>            Assignee: Aman Sinha
>              Labels: window_function
>             Fix For: 1.6.0
>
>
> Difference in results returned by window function query over same data on Drill vs on
Postgres.
> Drill 1.6.0 commit ID 6d5f4983
> {noformat}
> Verification Failures:
> /root/public_framework/drill-test-framework/framework/resources/Functional/window_functions/frameclause/RBCRACR/RBCRACR_bgint_6.q
> Query:
> SELECT FIRST_VALUE(c3) OVER(PARTITION BY c8 ORDER BY c1 RANGE BETWEEN CURRENT ROW AND
CURRENT ROW) FROM `t_alltype.parquet`
>          Expected number of rows: 145
> Actual number of rows from Drill: 145
>          Number of matching rows: 143
>           Number of rows missing: 2
>        Number of rows unexpected: 2
> These rows are not expected (first 10):
> 36022570792
> 21011901540311080
> These rows are missing (first 10):
> null (2 time(s))
> {noformat}
> Here is the difference in results, Drill 1.6.0 returns 36022570792 whereas Postgres returns
null, and another difference is that Drill returns 21011901540311080 whereas Postgres returns
null.
> {noformat}
> [root@centos-01 drill-output]# diff -cb RBCRACR_RBCRACR_bgint_6.output_Tue_Mar_01_10\:36\:42_UTC_2016
../resources/Functional/window_functions/frameclause/RBCRACR/RBCRACR_bgint_6.e
> *** RBCRACR_RBCRACR_bgint_6.output_Tue_Mar_01_10:36:42_UTC_2016	2016-03-01 10:36:43.012382649
+0000
> --- ../resources/Functional/window_functions/frameclause/RBCRACR/RBCRACR_bgint_6.e	2016-03-01
10:32:56.605677914 +0000
> ***************
> *** 55,61 ****
>   5424751352
>   3734160392
>   36022570792
> ! 36022570792
>   584831936
>   37102817894137256
>   61958708627376736
> --- 55,61 ----
>   5424751352
>   3734160392
>   36022570792
> ! null
>   584831936
>   37102817894137256
>   61958708627376736
> ***************
> *** 64,70 ****
>   29537626363643852
>   52598911986023288
>   21011901540311080
> ! 21011901540311080
>   17990322900862228
>   616080519999272
>   3136812789494
> --- 64,70 ----
>   29537626363643852
>   52598911986023288
>   21011901540311080
> ! null
>   17990322900862228
>   616080519999272
>   3136812789494
> {noformat}



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