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array_to_str

array_to_str(array arr [, string sep=’,’]) – Convert array to string using a sperator

SELECT array_to_str(array(1,2,3),’-‘);
1-2-3

Platforms: WhereOS, Spark, Hive

Class: hivemall.tools.array.ArrayToStrUDF

More functions can be added to WhereOS via Python or R bindings or as Java & Scala UDF (user-defined function), UDAF (user-defined aggregation function) and UDTF (user-defined table generating function) extensions. Custom libraries can be added on via Settings-page or installed from WhereOS Store.

View the complete guide of WhereOS functions.

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array_to_str

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