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语法： lateralView: LATERAL VIEW [OUTER] udtf(expression) tableAlias AS columnAlias (',' columnAlias) * fromClause: FROM baseTable (lateralView)* Lateral view outer：当table function不输出任何一行时，对应的输入行在Late...

一：explode使用 1.1解释 hive wiki对于expolde的解释如下： explode() takes in an array (or a map) as an input and outputs the elements of the array (map) as separate rows. UDTFs can be used in the SELECT expression l...