add_index "current_segments", ["node_a"], :name => "current_segments_a_idx"
add_index "current_segments", ["node_b"], :name => "current_segments_b_idx"
add_index "current_segments", ["node_a"], :name => "current_segments_a_idx"
add_index "current_segments", ["node_b"], :name => "current_segments_b_idx"