xpath(xml, xpath) – Returns a string array of values within the nodes of xml that

x_rank(KEY) – Generates a pseudo sequence number starting from 1 for each key Platforms: WhereOS,

word_ngrams(array words, int minSize, int maxSize]) – Returns list of n-grams for given words, where

CASE WHEN expr1 THEN expr2 [WHEN expr3 THEN expr4]* [ELSE expr5] END – When `expr1`

Writes metric or collection of metrics to graphite.write_to_graphite(String hostname, int port, Map nameToValue, Long timestampInSeconds)

Platforms: WhereOS, Spark, Hive Class: org.apache.spark.sql.catalyst.expressions.TimeWindow More functions can be added to WhereOS via Python