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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15334) HIVE-13945 changed scale rules for division
Date Fri, 02 Dec 2016 12:41:58 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15715032#comment-15715032
] 

Hive QA commented on HIVE-15334:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12841457/HIVE-15334.2.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 9 failed/errored test(s), 10725 tests executed
*Failed tests:*
{noformat}
TestMiniLlapLocalCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=143)
	[vectorized_rcfile_columnar.q,vector_elt.q,delete_where_non_partitioned.q,explainuser_1.q,multi_insert.q,tez_dml.q,schema_evol_orc_acid_table.q,vector_when_case_null.q,orc_ppd_schema_evol_1b.q,vector_join30.q,vectorization_11.q,cte_3.q,update_tmp_table.q,vector_reduce2.q,vector_interval_mapjoin.q,vector_decimal_cast.q,groupby_grouping_id2.q,vector_decimal_round.q,tez_smb_empty.q,orc_merge6.q,vector_decimal_trailing.q,tez_union.q,cbo_rp_subq_not_in.q,columnStatsUpdateForStatsOptimizer_1.q,vector_outer_join3.q,schema_evol_text_vec_part_all_complex.q,tez_dynpart_hashjoin_2.q,auto_sortmerge_join_12.q,offset_limit.q,tez_union_multiinsert.q]
org.apache.hadoop.hive.cli.TestCliDriver.org.apache.hadoop.hive.cli.TestCliDriver (batchId=50)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample2] (batchId=5)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample4] (batchId=15)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample6] (batchId=60)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample7] (batchId=60)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample9] (batchId=38)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[transform_ppr2] (batchId=134)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_2] (batchId=92)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/2380/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/2380/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-2380/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 9 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12841457 - PreCommit-HIVE-Build

> HIVE-13945 changed scale rules for division
> -------------------------------------------
>
>                 Key: HIVE-15334
>                 URL: https://issues.apache.org/jira/browse/HIVE-15334
>             Project: Hive
>          Issue Type: Bug
>          Components: Types
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>         Attachments: HIVE-15334.1.patch, HIVE-15334.2.patch
>
>
> Looks like HIVE-13945 change the decimal division precision/scale rules - the explanation
being "Changed the default decimal precision in division, not sure why it was so low by default."
(https://issues.apache.org/jira/browse/HIVE-13945?focusedCommentId=15354403&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15354403)
> As far as I can tell this causes decimal division to have a minimum scale of 18.
> cc [~sershe] - the rules that were in place were based on the SQL Server precision/scale
rules in https://msdn.microsoft.com/en-us/library/ms190476.aspx
> I'd like to revert this change to precision/scale rules



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