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raise_error() or raise_error(string msg) – Throws an error

SELECT product_id, price, raise_error(‘Found an invalid record’) FROM xxx WHERE price < 0.0

Platforms: WhereOS, Spark, Hive

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.

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