use DB uuid type for entity uuids: migration and framefield type

Author: brontolosone

lib/model/frames/entity.js

@@ -24,7 +24,7 @@ class Entity extends Frame.define(
   embedded('creator'),
   embedded('currentVersion'),
   fieldTypes([
-    'int4', 'varchar',
+    'int4', 'uuid',
     'int4', 'int4',
     'conflictType',
     'timestamptz',

lib/model/migrations/20251201-01-entities-uuid-column-uuid-datatype-01.down.sql

@@ -0,0 +1,14 @@
+-- Copyright 2025 ODK Central Developers
+-- See the NOTICE file at the top-level directory of this distribution and at
+-- https://github.com/getodk/central-backend/blob/master/NOTICE.
+-- This file is part of ODK Central. It is subject to the license terms in
+-- the LICENSE file found in the top-level directory of this distribution and at
+-- https://www.apache.org/licenses/LICENSE-2.0. No part of ODK Central,
+-- including this file, may be copied, modified, propagated, or distributed
+-- except according to the terms contained in the LICENSE file.
+
+ALTER TABLE entities
+    ALTER COLUMN "uuid" TYPE varchar(255);
+
+ALTER TABLE purged_entities
+    ALTER COLUMN "entityUuid" TYPE varchar(255);

lib/model/migrations/20251201-01-entities-uuid-column-uuid-datatype-01.up.sql

@@ -0,0 +1,16 @@
+-- Copyright 2025 ODK Central Developers
+-- See the NOTICE file at the top-level directory of this distribution and at
+-- https://github.com/getodk/central-backend/blob/master/NOTICE.
+-- This file is part of ODK Central. It is subject to the license terms in
+-- the LICENSE file found in the top-level directory of this distribution and at
+-- https://www.apache.org/licenses/LICENSE-2.0. No part of ODK Central,
+-- including this file, may be copied, modified, propagated, or distributed
+-- except according to the terms contained in the LICENSE file.
+
+ALTER TABLE entities
+    ALTER COLUMN "uuid" TYPE uuid
+        USING "uuid"::uuid;
+
+ALTER TABLE purged_entities
+    ALTER COLUMN "entityUuid" TYPE uuid
+        USING "entityUuid"::uuid;

lib/model/migrations/20251201-01-entities-uuid-column-uuid-datatype.js

@@ -0,0 +1,10 @@
+// Copyright 2025 ODK Central Developers
+// See the NOTICE file at the top-level directory of this distribution and at
+// https://github.com/getodk/central-backend/blob/master/NOTICE.
+// This file is part of ODK Central. It is subject to the license terms in
+// the LICENSE file found in the top-level directory of this distribution and at
+// https://www.apache.org/licenses/LICENSE-2.0. No part of ODK Central,
+// including this file, may be copied, modified, propagated, or distributed
+// except according to the terms contained in the LICENSE file.
+
+module.exports = require('../pure-sql-migration')(__filename);