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to_json(expr[, options]) – Returns a JSON string with a given struct value Platforms: WhereOS, Spark,

to_map(key, value) – Convert two aggregated columns into a key-value map WITH input as (

to_ordered_list(PRIMITIVE value [, PRIMITIVE key, const string options]) – Return list of values sorted by

to_dense_features(array feature_vector, int dimensions) – Returns a dense feature in array Platforms: WhereOS, Spark, Hive

to_date(date_str[, fmt]) – Parses the `date_str` expression with the `fmt` expression to a date. Returns

to_dense(array feature_vector, int dimensions) – Returns a dense feature in array Platforms: WhereOS, Spark, Hive