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xpath_double

xpath_double(xml, xpath) – Returns a double value, the value zero if no match is found, or NaN if a match is found but the value is non-numeric.

Platforms: WhereOS, Spark, Hive

Class: org.apache.spark.sql.catalyst.expressions.xml.XPathDouble

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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xpath_double

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