db/primary_migrate/20200828162147_remove_redundant_indices.rb
class RemoveRedundantIndices < ActiveRecord::Migration[5.2]
disable_ddl_transaction!
def change
remove_index :email_addresses, name: "index_email_addresses_on_all_email_fingerprints", algorithm: :concurrently
remove_index :identities, name: "index_identities_on_user_id", algorithm: :concurrently
remove_index :job_runs, name: "index_job_runs_on_job_name", algorithm: :concurrently
remove_index :phone_configurations, name: "index_phone_configurations_on_user_id", algorithm: :concurrently
end
end