[ https://issues.apache.org/jira/browse/HIVE-10142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yi Zhang updated HIVE-10142: ---------------------------- Summary: Calculating formula based on difference between each row's value and current row's in Windowing function (was: Calculating formula with each row's value to current row's value in Windowing function) > Calculating formula based on difference between each row's value and current > row's in Windowing function > -------------------------------------------------------------------------------------------------------- > > Key: HIVE-10142 > URL: https://issues.apache.org/jira/browse/HIVE-10142 > Project: Hive > Issue Type: New Feature > Components: PTF-Windowing > Affects Versions: 1.0.0 > Reporter: Yi Zhang > > For analytics with windowing function, the calculation formula sometimes > needs to perform over each row's value against current tow's value. The decay > value is a good example, such as sums of value with a decay function based on > difference of timestamp between each row and current row. -- This message was sent by Atlassian JIRA (v6.3.4#6332)