Skip to content

Instantly share code, notes, and snippets.

@tjh
Created January 13, 2010 18:35
Show Gist options
  • Save tjh/276438 to your computer and use it in GitHub Desktop.
Save tjh/276438 to your computer and use it in GitHub Desktop.
# -----------------------------------------
# Extract DB to YML in Rails
# (Put this in "extract_fixtures.rake" in
# the lib/tasks folder)
# -----------------------------------------
namespace :db do
desc 'Create YAML test fixtures from data in an existing database. Defaults to development database. Set RAILS_ENV to override.'
task :extract_fixtures => :environment do
sql = "SELECT * FROM %s"
skip_tables = ["schema_info"]
ActiveRecord::Base.establish_connection
(ActiveRecord::Base.connection.tables - skip_tables).each do |table_name|
i = "000"
File.open("#{RAILS_ROOT}/db/sample/#{table_name}.yml", 'w') do |file|
data = ActiveRecord::Base.connection.select_all(sql % table_name)
file.write data.inject({}) { |hash, record|
hash["#{table_name}_#{i.succ!}"] = record
hash
}.to_yaml
end
end
end
end
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment