Review Request 62525: HIVE-17538 Enhance estimation of stats to estimate even if only one column is missing stats

[Vineet Garg <vg...@hortonworks.com>]

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Review request for hive and Ashutosh Chauhan.


Bugs: HIVE-17538
    https://issues.apache.org/jira/browse/HIVE-17538


Repository: hive-git


Description
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See JIRA description


Diffs
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  ql/src/java/org/apache/hadoop/hive/ql/stats/StatsUtils.java 17d9f2df0a 
  ql/src/test/results/clientpositive/annotate_stats_groupby.q.out f9a1eb8312 
  ql/src/test/results/clientpositive/annotate_stats_groupby2.q.out 31c4ed147f 
  ql/src/test/results/clientpositive/annotate_stats_join_pkfk.q.out cdb9cead4c 
  ql/src/test/results/clientpositive/annotate_stats_select.q.out dec7f402ad 
  ql/src/test/results/clientpositive/annotate_stats_table.q.out 5d443f1381 
  ql/src/test/results/clientpositive/cbo_rp_annotate_stats_groupby.q.out 88b5d8464f 
  ql/src/test/results/clientpositive/filter_join_breaktask.q.out 8f9b6363f4 
  ql/src/test/results/clientpositive/llap/explainuser_2.q.out e43f736a54 
  ql/src/test/results/clientpositive/llap/filter_join_breaktask.q.out 1bff9eab19 
  ql/src/test/results/clientpositive/ppd_repeated_alias.q.out 738424bb5b 
  ql/src/test/results/clientpositive/spark/filter_join_breaktask.q.out 718346f83a 
  ql/src/test/results/clientpositive/tez/explainanalyze_2.q.out 54d1ce3b8e 


Diff: https://reviews.apache.org/r/62525/diff/1/


Testing
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Updated existing q files


Thanks,

Vineet Garg