Add SQL schema for GracePeriodHistory (#746)

* Add schema for GracePeriodHistory

Rebase on HEAD

Rebase on HEAD

Rebase on HEAD and rename column

Use OfyService to generate id

Refactor GracePeriodsSubject

Rebase on HEAD

Remove GracePeriodSubject and GracePeriodsSubject

Rebase on HEAD

Rebase on HEAD

Rebase on HEAD

Add gracePeriodHistoryRevisionId and remove some foreign key

* Rebase on HEAD

db/src/main/resources/sql/flyway/V75__add_grace_period_history.sql

@@ -0,0 +1,37 @@
+-- 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 "GracePeriod" rename column "id" to "grace_period_id";
+
+create table "GracePeriodHistory" (
+    grace_period_history_revision_id int8 not null,
+    billing_event_id int8,
+    billing_event_history_id int8,
+    billing_recurrence_id int8,
+    billing_recurrence_history_id int8,
+    registrar_id text not null,
+    domain_repo_id text not null,
+    expiration_time timestamptz not null,
+    type text not null,
+    domain_history_revision_id int8,
+    grace_period_id int8 not null,
+    primary key (grace_period_history_revision_id)
+);
+
+alter table if exists "GracePeriodHistory"
+   add constraint FK7w3cx8d55q8bln80e716tr7b8
+   foreign key (domain_repo_id, domain_history_revision_id)
+   references "DomainHistory";
+
+create index IDXd01j17vrpjxaerxdmn8bwxs7s on "GracePeriodHistory" (domain_repo_id);