dgraph

Dgraph client using HTTP API

Status

This library still under development, and the API may change completely, contributions and suggestions are welcomed.

Installation

1. Add the dependency to your shard.yml:

   dependencies:
     dgraph:
       github: tareifz/dgraph

2. Run shards install

Usage

require "dgraph"

Query

require "dgraph"

class Test
  class Movie
    JSON.mapping(
      name: String
    )
  end

  JSON.mapping(
    movie: Array(Movie)
  )
end

client = Dgraph::Pooled.new

res = client.query(%(
    query test($name: string) {
      movie(func: allofterms(name, $name)) {
        name
      }
    }
), {"$name" => "Star Wars"})

result = Dgraph::QueryResult(Test).from_json(res)

if result.errors.empty?
  result.data.try do |data|
    data.movie.each do |mov|
      pp mov.name
    end
  end
else
  result.errors.each do |err|
    pp err.code
  end
end

Alter

require "dgraph"

client = Dgraph::Pooled.new

res = client.alter(%(
  name: string @index(term) .
))

if res.success?
  res.data.try do |data|
    pp data.message
  end
end

if res.fail?
  res.errors.each do |err|
    pp err.message
  end
end

TODO

• Query
• Alter
• Mutations
• Transactions

Contributing

1. Fork it (https://github.com/tareifz/dgraph/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

• tareifz - creator and maintainer