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Posted to dev@hive.apache.org by "Mustafa İman (Jira)" <ji...@apache.org> on 2021/01/20 23:07:00 UTC
[jira] [Created] (HIVE-24672) compute_stats_long.q fails for wrong
reasons
Mustafa İman created HIVE-24672:
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Summary: 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
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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