Sha256: fc4e10f0b711c2b7450e2768ddd99e834426e95d4039881bc05b16a5f3596676
Contents?: true
Size: 1.13 KB
Versions: 30
Compression:
Stored size: 1.13 KB
Contents
class SeparateNoteAnnotationPredicates < ActiveRecord::Migration
def self.up
rename_column :note_annotations, :identifier, :predicate
add_column :note_annotations, :namespace, :string, :limit => 50
total = Note::Annotated::Base.count
i = 0
puts "starting #{total} note annotation conversions..."
reset = "\r" + "\e[0K" # adapted from http://snippets.dzone.com/posts/show/3760
Note::Annotated::Base.find_each do |annotation|
print "#{reset}#{i += 1} / #{total}"
old_identifier = annotation.predicate
namespace, predicate = old_identifier.split(":", 2)
annotation.predicate = predicate
annotation.namespace = namespace
annotation.save!
$stdout.flush
end
print "#{reset}"
$stdout.flush
puts "note annotation conversion complete"
end
def self.down
Note::Annotated::Base.find_each do |annotation|
identifier = [annotation.namespace, annotation.predicate].join(":")
annotation.predicate = identifier
annotation.save!
end
rename_column :note_annotations, :predicate, :identifier
remove_column :note_annotations, :namespace
end
end
Version data entries
30 entries across 30 versions & 1 rubygems