I
Size: a a a
I
I
KR
book = Book.new name: "new super fine book", author_ids: [1,2]
book.save
I
KR
I
I
KR
I
KR
KR
def change
create_join_table :authors, :books do |t|
t.index [:author_id, :ibook_id]
t.index [:book_id, :author_id]
end
end
KR
I
KR
KR
KR
I
I
I
KR