Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Sequel migration rake tasks based on https://gist.github.com/1409152
namespace :db do
require 'sequel'
namespace :migrate do
Sequel.extension :migration
task :connect do
if ENV['DATABASE_URL']
DB = Sequel.connect(ENV['DATABASE_URL'])
else
puts 'ABORTING: You must set the DATABASE_URL environment variable!'
exit false
end
end
desc 'Perform migration reset (full erase and migration up).'
task :reset => [:connect] do
Sequel::Migrator.run(DB, 'migrations', :target => 0)
Sequel::Migrator.run(DB, 'migrations')
puts '*** db:migrate:reset executed ***'
end
desc 'Perform migration up/down to VERSION.'
task :to => [:connect] do
version = ENV['VERSION'].to_i
if version == 0
puts 'VERSION must be larger than 0. Use rake db:migrate:down to erase all data.'
exit false
end
Sequel::Migrator.run(DB, 'migrations', :target => version)
puts "*** db:migrate:to VERSION=[#{version}] executed ***"
end
desc 'Perform migration up to latest migration available.'
task :up => [:connect] do
Sequel::Migrator.run(DB, 'migrations')
puts '*** db:migrate:up executed ***'
end
desc 'Perform migration down (erase all data).'
task :down => [:connect] do
Sequel::Migrator.run(DB, 'migrations', :target => 0)
puts '*** db:migrate:down executed ***'
end
end
end
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment