priv/repo/migrations/20171119004204_create_github_issue_assignees.exs
defmodule CodeCorps.Repo.Migrations.CreateGithubIssueAssignees do
use Ecto.Migration
def change do
create table(:github_issue_assignees) do
add :github_issue_id, references(:github_issues, on_delete: :nothing)
add :github_user_id, references(:github_users, on_delete: :nothing)
timestamps()
end
create index(:github_issue_assignees, [:github_issue_id])
create index(:github_issue_assignees, [:github_user_id])
create unique_index(:github_issue_assignees, [:github_issue_id, :github_user_id])
end
end