Add BSA schema (#2204)

* Add BSA schema

Also lock down flyway due to java8 compatiblity

db/src/main/resources/sql/flyway/V148__add_bsa_download_and_label_tables.sql

@@ -0,0 +1,30 @@
+-- Copyright 2023 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.
+
+CREATE TABLE "BsaDownload" (
+    job_id  bigserial not null,
+    block_list_checksums text not null,
+    creation_time timestamptz not null,
+    stage text not null,
+    update_timestamp timestamptz,
+    primary key (job_id)
+);
+
+CREATE TABLE "BsaLabel" (
+    label text not null,
+    creation_time timestamptz not null,
+    primary key (label)
+);
+
+CREATE INDEX IDXj874kw19bgdnkxo1rue45jwlw on "BsaDownload" (creation_time);

db/src/main/resources/sql/flyway/V149__add_bsa_domain_in_use_table.sql

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+-- Copyright 2023 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.
+
+CREATE TABLE "BsaDomainInUse" (
+    label text not null,
+    tld text not null,
+    creation_time timestamptz not null,
+    reason text not null,
+    primary key (label, tld)
+);
+
+ALTER TABLE IF EXISTS "BsaDomainInUse"
+    ADD CONSTRAINT FKbsadomaininuse2label
+    FOREIGN KEY (label)
+    REFERENCES "BsaLabel" (label)
+    ON DELETE CASCADE;