Sha256: ef81bc693e96907d52804da1df6d60bdea61f787350b8cdb96c05a14bfc21a1b
Contents?: true
Size: 740 Bytes
Versions: 13
Compression:
Stored size: 740 Bytes
Contents
# frozen_string_literal: true
class ChangeSubscribedUsersToSet < ActiveRecord::Migration[4.2]
def up
contacts = connection.select_all %(
SELECT id, subscribed_users
FROM contacts
WHERE subscribed_users IS NOT NULL
)
puts "Converting #{contacts.size} subscribed_users arrays into sets..." unless contacts.empty?
# Run as one atomic action.
ActiveRecord::Base.transaction do
contacts.each do |contact|
subscribed_users_set = Set.new(YAML.load(contact["subscribed_users"]))
connection.execute %(
UPDATE contacts
SET subscribed_users = '#{subscribed_users_set.to_yaml}'
WHERE id = #{contact['id']}
)
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems