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Edward Yoon commented on HADOOP-2006: ------------------------------------- I don't understand your comment. Please more explanation for me. > Aggregate Functions in select statement > --------------------------------------- > > Key: HADOOP-2006 > URL: https://issues.apache.org/jira/browse/HADOOP-2006 > Project: Hadoop > Issue Type: Sub-task > Components: contrib/hbase > Affects Versions: 0.14.1 > Reporter: Edward Yoon > Assignee: Edward Yoon > Priority: Minor > Fix For: 0.16.0 > > > Aggregation functions on collections of data values: average, minimum, > maximum, sum, count. > Group rows by value of an columnfamily and apply aggregate function > independently to each group of rows. > * <Grouping columnfamilies> ƒ ~function_list~ (Relation) > {code} > select producer, avg(year) from movieLog_table group by producer > {code} -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.