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Posted to issues@drill.apache.org by "Khurram Faraaz (JIRA)" <ji...@apache.org> on 2016/03/01 11:59:18 UTC
[jira] [Created] (DRILL-4457) Difference in results returned by
window function over BIGINT data
Khurram Faraaz created DRILL-4457:
-------------------------------------
Summary: 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
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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