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Posted to common-dev@hadoop.apache.org by "Edward Yoon (JIRA)" <ji...@apache.org> on 2007/12/11 07:22:43 UTC

[jira] Deleted: (HADOOP-2006) Aggregate Functions in select statement

     [ https://issues.apache.org/jira/browse/HADOOP-2006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edward Yoon deleted HADOOP-2006:
--------------------------------


> Aggregate Functions in select statement
> ---------------------------------------
>
>                 Key: HADOOP-2006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2006
>             Project: Hadoop
>          Issue Type: Sub-task
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Minor
>
> 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}

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