Yi Zhang created HIVE-10142: ------------------------------- Summary: Calculating formula with each row's value to current row's value 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)