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from_json(jsonStr, schema[, options]) – Returns a struct value with the given `jsonStr` and `schema`. Platforms:

from_unixtime(unix_time, format) – Returns `unix_time` in the specified `format`. Platforms: WhereOS, Spark, Hive Class: org.apache.spark.sql.catalyst.expressions.FromUnixTime

from_utc_timestamp(timestamp, timezone) – Given a timestamp like ‘2017-07-14 02:40:00.0’, interprets it as a time in

fmeasure(array|int|boolean actual, array|int| boolean predicted [, const string options]) – Return a F-measure (f1score is

format_number(expr1, expr2) – Formats the number `expr1` like ‘#,###,###.##’, rounded to `expr2` decimal places. If

format_string(strfmt, obj, …) – Returns a formatted string from printf-style format strings. Platforms: WhereOS, Spark,