class FixNamespaces < ActiveRecord::Migration[4.2]
DOWNTIME = false
def up
namespaces = exec_query('SELECT id, path FROM namespaces WHERE name <> path and type is null')
namespaces.each do |row|
id = row['id']
path = row['path']
exec_query("UPDATE namespaces SET name = '#{path}' WHERE id = #{id}")
end
def down