class AddMissingIndexes < ActiveRecord::Migration def change add_index :topics, :user_id add_index :topics, :metacode_id add_index :synapses, [:node2_id, :node2_id] add_index :synapses, [:node1_id, :node1_id] add_index :synapses, :user_id add_index :synapses, :node1_id add_index :synapses, :node2_id add_index :mappings, [:map_id, :topic_id] add_index :mappings, [:map_id, :synapse_id] add_index :mappings, :map_id add_index :mappings, :user_id add_index :maps, :user_id end end