Use a SQL date object for LocalDates (#842)

* Use a SQL date object for LocalDates

* Clean up comment

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

@@ -62,3 +62,4 @@ V61__domain_hist_columns.sql
 V62__disable_key_auto_generation_for_history_tables.sql
 V63__add_schema_for_ds_data.sql
 V64__transfer_history_columns.sql
+V65__local_date_date_type.sql

db/src/main/resources/sql/flyway/V65__local_date_date_type.sql

@@ -0,0 +1,15 @@
+-- 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 "Spec11ThreatMatch" ALTER COLUMN "check_date" TYPE date USING check_date::date;

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

@@ -597,7 +597,7 @@
 
     create table "Spec11ThreatMatch" (
        id  bigserial not null,
-        check_date text not null,
+        check_date date not null,
         domain_name text not null,
         domain_repo_id text not null,
         registrar_id text not null,

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

@@ -847,7 +847,7 @@ ALTER SEQUENCE public."ReservedList_revision_id_seq" OWNED BY public."ReservedLi
 
 CREATE TABLE public."Spec11ThreatMatch" (
     id bigint NOT NULL,
-    check_date text NOT NULL,
+    check_date date NOT NULL,
     domain_name text NOT NULL,
     domain_repo_id text NOT NULL,
     registrar_id text NOT NULL,