orc

Reading

Determine relevancy

• Open file at the end (last 16k) to get postscript and footer
• Use footer / statistics to determine if file is of interest

Load data

• Open file at beginning of the file
• Use postscript and footer to lay out stripes
• Load stripe footer from stripe
• Load streams into memory
• Use column types to get relevant streams
• Iterate through each column row

Installation

1. Add the dependency to your shard.yml:

   dependencies:
     orc:
       github: garymardell/orc

2. Run shards install

Usage

require "orc"

TODO Write usage instructions here

Development

TODO Write development instructions here

Contributing

1. Fork it (https://github.com/garymardell/orc/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Contributors

• Gary Mardell - creator and maintainer