Add IntervalDescriptor and change DurationConverter to use Interval datatype (#653)

* Add use of interval data type

* Add support for Millis

* Use Java-object type

* Change column type for relock_duration

* add years and months

* Add tests for hours, minutes, and seconds

* Add javadoc describing how joda duration is stored

* Add test for lots of days

db/src/main/resources/sql/flyway/V43__update_relock_duration_type.sql

@@ -0,0 +1,18 @@
+-- Copyright 2020 The Nomulus Authors. All Rights Reserved.
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+
+ALTER TABLE "RegistryLock" DROP COLUMN relock_duration;
+
+ALTER TABLE "RegistryLock" ADD COLUMN relock_duration interval;
+

db/src/main/resources/sql/schema/db-schema.sql.generated

@@ -459,7 +459,7 @@ create sequence history_id_sequence start 1 increment 1;
         lock_request_timestamp timestamptz not null,
         registrar_id text not null,
         registrar_poc_id text,
-        relock_duration int8,
+        relock_duration interval,
         repo_id text not null,
         unlock_completion_timestamp timestamptz,
         unlock_request_timestamp timestamptz,

db/src/main/resources/sql/schema/nomulus.golden.sql

@@ -670,7 +670,7 @@ CREATE TABLE public."RegistryLock" (
     unlock_completion_timestamp timestamp with time zone,
     last_update_timestamp timestamp with time zone,
     relock_revision_id bigint,
-    relock_duration bigint
+    relock_duration interval
 );