socialforge/db/migrate/20160921062340_create_sylla...

24 lines
627 B
Ruby

class CreateSyllabusMembers < ActiveRecord::Migration
def change
create_table :syllabus_members do |t|
t.integer :rank
t.references :syllabus
t.references :user
t.timestamps
end
add_index :syllabus_members, :syllabus_id
add_index :syllabus_members, :user_id
add_index :syllabus_members, :rank
count = Syllabus.all.count / 30 + 2
transaction do
for i in 1 ... count do i
Syllabus.page(i).per(30).each do |syllabus|
SyllabusMember.create(:user_id => syllabus.user_id, :syllabus_id => syllabus.id, :rank => 1)
end
end
end
end
end