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dense_rank() – Computes the rank of a value in a group of values. The result

dimsum_mapper(array row, map colNorms [, const string options]) – Returns column-wise partial similarities Platforms: WhereOS,

dayofyear(date) – Returns the day of year of the date/timestamp. Platforms: WhereOS, Spark, Hive Class:

decimal(expr) – Casts the value `expr` to the target data type `decimal`. Platforms: WhereOS, Spark,

decode(bin, charset) – Decodes the first argument using the second argument character set. Platforms: WhereOS,

deflate(TEXT data [, const int compressionLevel]) – Returns a compressed BINARY object by using Deflater.