discourse/db/migrate/20130613211700_drop_posts_uploads.rb

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2013-06-14 05:44:24 +08:00
class DropPostsUploads < ActiveRecord::Migration
def up
drop_table :posts_uploads
end
def down
create_table :posts_uploads, id: false do |t|
t.integer :post_id
t.integer :upload_id
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end
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add_index :posts_uploads, :post_id
add_index :posts_uploads, :upload_id
add_index :posts_uploads, [:post_id, :upload_id], unique: true
end
end