Github user omalley commented on a diff in the pull request: https://github.com/apache/orc/pull/247#discussion_r182139793 --- Diff: site/specification/ORCv2.md --- @@ -0,0 +1,1032 @@ +--- +layout: page +title: Evolving Draft for ORC Specification v2 +--- + +This specification is rapidly evolving and should only be used for +developers on the project. + +# TO DO items + +The list of things that we plan to change: + +* Create a decimal representation with fixed scale using rle. +* Create a better float/double encoding that splits mantissa and + exponent. +* Create a dictionary encoding for float, double, and decimal. +* Create RLEv3: + * 64 and 128 bit variants --- End diff -- Just to clarify the answer "variant" means "one of the instances of something that varies." The unfortunately similar looking "varint" is an unofficial contraction of "variable length integer."
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