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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17536) StatsUtil::getBasicStatForTable doesn't distinguish b/w absence of statistics or zero stats
Date Wed, 20 Sep 2017 11:26:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16173038#comment-16173038
] 

Hive QA commented on HIVE-17536:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12887988/HIVE-17536.4.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 24 failed/errored test(s), 11044 tests executed
*Failed tests:*
{noformat}
TestAccumuloCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=230)
TestDummy - did not produce a TEST-*.xml file (likely timed out) (batchId=230)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[create_view] (batchId=39)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[udaf_percentile_approx_23] (batchId=33)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[udf_mask_hash] (batchId=28)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[vector_windowing_expressions] (batchId=76)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[vector_windowing_multipartitioning]
(batchId=43)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[vector_windowing_order_null] (batchId=36)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[vector_windowing_range_multiorder]
(batchId=15)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[vector_windowing_rank] (batchId=56)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[vector_windowing_streaming] (batchId=50)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[vector_windowing_windowspec] (batchId=32)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[vectorized_mapjoin2] (batchId=23)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[orc_ppd_schema_evol_3a] (batchId=143)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[union_fast_stats] (batchId=156)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[orc_merge7] (batchId=172)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[spark_explainuser_1]
(batchId=170)
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver[infer_bucket_sort_map_operators]
(batchId=87)
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver[parallel_orderby] (batchId=87)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[drop_table_failure2] (batchId=89)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14] (batchId=234)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[auto_sortmerge_join_5] (batchId=138)
org.apache.hadoop.hive.ql.TestAcidOnTez.testCtasTezUnion (batchId=215)
org.apache.hadoop.hive.ql.TestAcidOnTez.testNonStandardConversion01 (batchId=215)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/6900/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/6900/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-6900/

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: 24 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12887988 - PreCommit-HIVE-Build

> StatsUtil::getBasicStatForTable doesn't distinguish b/w absence of statistics or zero
stats
> -------------------------------------------------------------------------------------------
>
>                 Key: HIVE-17536
>                 URL: https://issues.apache.org/jira/browse/HIVE-17536
>             Project: Hive
>          Issue Type: Improvement
>          Components: Statistics
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>         Attachments: HIVE-17536.1.patch, HIVE-17536.2.patch, HIVE-17536.3.patch, HIVE-17536.4.patch
>
>
> This method returns zero for both of the following cases:
> * Statistics are missing in metastore
> * Actual stats e.g. number of rows are zero
> It'll be good for this method to return e.g. -1 in absence of statistics instead of assuming
it to be zero.



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