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LanguageManual WindowingAndAnalytics - Apache Hive - Apache Software Foundation
This section introduces the Hive QL enhancements for windowing and analytics functions. See "Windowing Specifications in HQL" (attached to HIVE-4197) for details. HIVE-896 has more information, including links to earlier documentation in the initial comments. All of the windowing and analytics functions operate as per the SQL standard. The current release supports the following functions for windo
dmizuno55 2021/08/19
hive
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LanguageManual UDF - Apache Hive - Apache Software Foundation
When hive.cache.expr.evaluation is set to true (which is the default) a UDF can give incorrect results if it is nested in another UDF or a Hive function. This bug affects releases 0.12.0, 0.13.0, and 0.13.1. Release 0.14.0 fixed the bug (HIVE-7314). The probl em relates to the UDF's implementation of the getDisplayString method, as discussed in the Hive user mailing list.
dmizuno55 2015/04/22
hadoop

hive
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