Add correct index

db/migrate/20200316111759_add_index_on_id_and_ldap_key_to_keys.rb

@@ -9,10 +9,10 @@ class AddIndexOnIdAndLdapKeyToKeys < ActiveRecord::Migration[6.0]
   disable_ddl_transaction!
 
   def up
-    add_concurrent_index :keys, [:id, :type], where: "type = 'LDAPKey'", name: INDEX_NAME
+    add_concurrent_index :keys, [:id], where: "type = 'LDAPKey'", name: INDEX_NAME
   end
 
   def down
-    remove_concurrent_index :keys, INDEX_NAME
+    remove_concurrent_index_by_name :keys, INDEX_NAME
   end
 end

db/schema.rb

@@ -2309,8 +2309,8 @@ ActiveRecord::Schema.define(version: 2020_03_16_111759) do
     t.datetime_with_timezone "expires_at"
     t.index ["fingerprint"], name: "index_keys_on_fingerprint", unique: true
     t.index ["fingerprint_sha256"], name: "index_keys_on_fingerprint_sha256"
-    t.index ["id", "type"], name: "index_keys_on_id_and_ldap_key_type", where: "((type)::text = 'LDAPKey'::text)"
     t.index ["id", "type"], name: "index_on_deploy_keys_id_and_type_and_public", unique: true, where: "(public = true)"
+    t.index ["id"], name: "index_keys_on_id_and_ldap_key_type", where: "((type)::text = 'LDAPKey'::text)"
     t.index ["last_used_at"], name: "index_keys_on_last_used_at", order: "DESC NULLS LAST"
     t.index ["user_id"], name: "index_keys_on_user_id"
   end