Parquet/parquet-format — pull request #97 by nongli (2014-06-09 18:20:51+00:00)
Title: Update spec for delta length byte array and delta byte array encodings.

Storing the encoded byte size of the first half of the encoding makes it
possible to stream decode the values. Otherwise, the only way to figure out
where the second part starts is by completely decoding the first part.