https://github.com/cafebazaar/ecto-cassandra

Cassandra Ecto Adapter
https://github.com/cafebazaar/ecto-cassandra

cassandra cassandra-adapter ecto

Last synced: 2 months ago
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Cassandra Ecto Adapter

• Host: GitHub
• URL: https://github.com/cafebazaar/ecto-cassandra
• Owner: cafebazaar
• License: other
• Created: 2016-11-07T09:22:59.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2018-11-03T16:56:31.000Z (over 6 years ago)
• Last Synced: 2025-01-26T02:11:47.602Z (3 months ago)
• Topics: cassandra, cassandra-adapter, ecto
• Language: Elixir
• Size: 277 KB
• Stars: 87
• Watchers: 7
• Forks: 13
• Open Issues: 4
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.md

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README

        
# EctoCassandra

[![Build Status](https://travis-ci.org/cafebazaar/ecto-cassandra.svg?branch=master)](https://travis-ci.org/cafebazaar/ecto-cassandra)

[![Hex.pm](https://img.shields.io/hexpm/v/ecto_cassandra.svg?maxAge=2592000)](https://hex.pm/packages/ecto_cassandra)

[![Hex.pm](https://img.shields.io/hexpm/l/ecto_cassandra.svg?maxAge=2592000)](https://github.com/cafebazaar/ecto-cassandra/blob/master/LICENSE.md)

[![Coverage Status](https://coveralls.io/repos/github/cafebazaar/ecto-cassandra/badge.svg?branch=master)](https://coveralls.io/github/cafebazaar/ecto-cassandra?branch=master)

Cassandra Adapter for [Ecto](https://github.com/elixir-ecto/ecto) (the language integrated query for Elixir)

## Example

```elixir

# In your config/config.exs file

config :my_app, ecto_repos: [Sample.Repo]

config :my_app, Sample.Repo,

  adapter: EctoCassandra.Adapter,

  keyspace: "ecto_simple",

  contact_points: ["localhost"],

  replication: [

    class: "SimpleStrategy",

    replication_factor: 1,

  ]

# In your application code

defmodule Sample.Repo.Migrations.CreateUser do

  use Ecto.Migration

  def change do

    create table(:users, primary_key: false) do

      add :id, :id, partition_key: true

      add :age, :integer, clustering_column: true

      add :name, :string

      add :email, :string

      add :password_hash, :string

      timestamps()

    end

  end

end

defmodule Sample.Repo do

  use Ecto.Repo, otp_app: :my_app

end

defmodule Sample.User do

  use Ecto.Schema

  @primary_key false

  schema "users" do

    field :username, primary_key: true

    field :age, :integer

    field :name # Defaults to type :string

    field :email

    field :password_hash

    field :password, :string, virtual: true

  end

end

defmodule Sample.App do

  import Ecto.Query

  alias Sample.{Repo, User}

  def keyword_query do

    Repo.all from u in User,

      where: u.username == "john",

      select: u.email

  end

  def pipe_query do

    User

    |> where([u], u.age > 10)

    |> order_by(:age)

    |> limit(10)

    |> Repo.all

  end

  def get_by_name do

    Repo.get_by(username: "john")

  end

end

```