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class CreateChangesetParents < ActiveRecord::Migration[4.2]
def self.up
create_table :changeset_parents, :id => false do |t|
t.column :changeset_id, :integer, :null => false
t.column :parent_id, :integer, :null => false
end
add_index :changeset_parents, [:changeset_id], :unique => false, :name => :changeset_parents_changeset_ids
add_index :changeset_parents, [:parent_id], :unique => false, :name => :changeset_parents_parent_ids
end
def self.down
drop_table :changeset_parents
end
end
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