License text

Adds README.md

Single column filter & ByteString

Adds an application to use even fewer columns of the dataset
Use ByteString from okio library to work with byte[] representation of String

Reformatting code

Extracted and abstracted ChunkedWriter

Extracting the chunking logic into a separate class.
Introduces Vectorizer to convert an object into a set of entries in a VectorSchemaRoot

Simplifying fetching vector from StructVector

Using autocloseable

Upgrading arrow to latest version 0.16.0

Removing gender from person object

Based on article review, removed gender from the Person object
Repurposed the aggregation to city. Now, we need to use a regular Map,
with all autoboxing issues, as there is no FastUtil for String -> Long

Renaming package

Reading Application

Improving writing application

Make sure there are last names starting with a P :-)
Add timing to writing process
Ensure clean up of memory (buffers)

Writing application

Initial commit