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stack

stack(n, expr1, …, exprk) – Separates `expr1`, …, `exprk` into `n` rows.

Platforms: WhereOS, Spark, Hive

Class: org.apache.spark.sql.catalyst.expressions.Stack

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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