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Posted to issues@drill.apache.org by "Khurram Faraaz (JIRA)" <ji...@apache.org> on 2016/04/12 20:31:25 UTC
[jira] [Commented] (DRILL-4457) Difference in results returned by
window function over BIGINT data
[ https://issues.apache.org/jira/browse/DRILL-4457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15237711#comment-15237711 ]
Khurram Faraaz commented on DRILL-4457:
---------------------------------------
Test added here Functional/window_functions/frameclause/RBCRACR/RBCRACR_bgint_6.q
> 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: Deneche A. Hakim
> 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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