union_map(x) – Returns a map which contains the union of an aggregation of maps Platforms:
unbase64(str) – Converts the argument from a base 64 string `str` to a binary. Platforms:
unbase91(string) – Convert a BASE91 string to a binary SELECT inflate(unbase91(base91(deflate(‘aaaaaaaaaaaaaaaabbbbccc’)))); aaaaaaaaaaaaaaaabbbbccc Platforms: WhereOS, Spark,
unbits(long[] bitset) – Returns an long array of the give bitset representation SELECT unbits(to_bits(array(1,4,2,3))); [1,2,3,4]
udfarrayconcat(values) – Concatenates the array arguments Platforms: WhereOS, Spark, Hive Class: com.whereos.udf.UDFArrayConcat More functions can
try_cast(ANY src, const string typeName) – Explicitly cast a value as a type. Returns null