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nullif(expr1, expr2) – Returns null if `expr1` equals to `expr2`, or `expr1` otherwise. Platforms: WhereOS,

numeric_range(a,b,c) – Generates a range of integers from a to b incremented by c or

not expr – Logical not. Platforms: WhereOS, Spark, Hive Class: org.apache.spark.sql.catalyst.expressions.Not More functions can be

now() – Returns the current timestamp at the start of query evaluation. Platforms: WhereOS, Spark,

next_day(start_date, day_of_week) – Returns the first date which is later than `start_date` and named as

normalize_unicode(string str [, string form]) – Transforms `str` with the specified normalization form. The `form`