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Alan Gates commented on HIVE-17253: ----------------------------------- +1 for the patch. [~ashutoshc], any thoughts on this since it is closely related to some of the stats stuff generated for the optimizer? > Adding SUMMARY statement to HPL/SQL > ----------------------------------- > > Key: HIVE-17253 > URL: https://issues.apache.org/jira/browse/HIVE-17253 > Project: Hive > Issue Type: Improvement > Components: hpl/sql > Reporter: Dmitry Tolpeko > Assignee: Dmitry Tolpeko > Fix For: 3.0.0 > > Attachments: HIVE-17253.1.patch > > > Adding SUMMARY statement to HPL/SQL to describe a data set (table, query > result) similar to Python and R. > For each column output the data type, number of distinct values, non-NULL > rows, mean, std, percentiles, min, max. Output additional stats for > categorical columns. This helps perform quick and easy exploratory data > analysis for SQL devs and business users. http://hplsql.org/summary -- This message was sent by Atlassian JIRA (v6.4.14#64029)