sql - Hive Semantic Analyzer; Partition Table Function in Join Clause -


in hive semanticanalyzer code, inside processjoin function, while iterating on children of join node, there check partition table function.

if (child.gettoken().gettype() == hiveparser.tok_ptblfunction)

my question is, how can child of join node tok_ptblfunction. mean hive supports functions (apart tables , subqueries) in join clause. of opinion not possible. if is, can please give me example query such condition.


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