上传jar包到hdfs目录中, hdfs dfs -put /home/user/hive-functions.jar /user/hive/jars/hive-functions.jar create function default.unis_check as 'com.fhpt.hive.functions.UniversityCheckUDF' using jar 'hdfs:/user/hive/jars/hive-functions-0.0.1.jar'; 查看函数: sho…
LanguageManual WindowingAndAnalytics Skip to end of metadata Added by Lefty Leverenz, last edited by Lefty Leverenz on Aug 01, 2014 (view change) show comment Go to start of metadata Windowing and Analytics Functions Windowing and Analytics…
Built-in Operators Relational Operators The following operators compare the passed operands and generate a TRUE or FALSE value depending on whether the comparison between the operands holds. Operator Operand types Description A = B All primitiv…