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https://issues.apache.org/jira/browse/HIVE-24672?focusedWorklogId=539214&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-539214
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ASF GitHub Bot logged work on HIVE-24672:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Jan/21 17:29
Start Date: 21/Jan/21 17:29
Worklog Time Spent: 10m
Work Description: abstractdog commented on a change in pull request #1896:
URL: https://github.com/apache/hive/pull/1896#discussion_r562065992
##########
File path: ql/src/test/queries/clientnegative/compute_stats_long.q
##########
@@ -3,5 +3,5 @@ create table tab_int(a int);
-- insert some data
LOAD DATA LOCAL INPATH "../../data/files/int.txt" INTO TABLE tab_int;
--- compute stats should raise an error since the number of bit vectors > 1024
-select compute_stats(a, 10000) from tab_int;
+-- this should raise an error since the number of bit vectors has a hard limit
at 1024
+select compute_stats(a, 'fm', 10000) from tab_int;
Review comment:
thanks
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Issue Time Tracking
-------------------
Worklog Id: (was: 539214)
Time Spent: 40m (was: 0.5h)
> compute_stats_long.q fails for wrong reasons
> --------------------------------------------
>
> Key: HIVE-24672
> URL: https://issues.apache.org/jira/browse/HIVE-24672
> Project: Hive
> Issue Type: Bug
> Reporter: Mustafa İman
> Assignee: Mustafa İman
> Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> TestNegativeCliDriver[compute_stats_long] intends to test fmsketch has a hard
> limit on number of bit vectors (1024). However, the test fails for the
> following wrong reason.
> {code:java}
> Caused by: java.lang.RuntimeException: Can not recognize 10000Caused by:
> java.lang.RuntimeException: Can not recognize 10000 at
> org.apache.hadoop.hive.common.ndv.NumDistinctValueEstimatorFactory.getEmptyNumDistinctValueEstimator(NumDistinctValueEstimatorFactory.java:71)
> {code}
> Instead it should fail with
> {code:java}
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: The maximum
> allowed value for number of bit vectors is 1024, but was passed 10000 bit
> vectorsCaused by: org.apache.hadoop.hive.ql.metadata.HiveException: The
> maximum allowed value for number of bit vectors is 1024, but was passed
> 10000 bit vectors at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDAFComputeBitVectorFMSketch$NumericStatsEvaluator.iterate(GenericUDAFComputeBitVectorFMSketch.java:125)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> {code}
> Since this function is superseeded by compute_bit_vector_fm, it is best if we
> add the same test for compute_bit_vector_fm too.
>
>
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