diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 6b672bd..3d52b29 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -27,7 +27,7 @@ jobs:
         run: dart format . --set-exit-if-changed --line-length=100
 
       - name: Run Code Gen
-        run: dart run build_runner build
+        run: dart run build_runner build --delete-conflicting-outputs
 
       - name: Lint
         run: dart analyze . --fatal-infos
diff --git a/.gitignore b/.gitignore
index 780ca52..ac86caf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,4 +12,5 @@ pubspec.lock
 coverage/
 doc/api/
 
+test/**.schema.dart
 
diff --git a/test/integration/model.schema.dart b/test/integration/model.schema.dart
deleted file mode 100644
index 54383d7..0000000
--- a/test/integration/model.schema.dart
+++ /dev/null
@@ -1,232 +0,0 @@
-part of 'model.dart';
-
-extension ModelRepositories on Database {
-  AuthorRepository get authors => AuthorRepository._(this);
-  BookRepository get books => BookRepository._(this);
-}
-
-abstract class AuthorRepository
-    implements
-        ModelRepository,
-        ModelRepositoryInsert<AuthorInsertRequest>,
-        ModelRepositoryUpdate<AuthorUpdateRequest>,
-        ModelRepositoryDelete<String> {
-  factory AuthorRepository._(Database db) = _AuthorRepository;
-
-  Future<Author?> queryAuthor(String id);
-  Future<List<Author>> queryAuthors([QueryParams? params]);
-}
-
-class _AuthorRepository extends BaseRepository
-    with
-        RepositoryInsertMixin<AuthorInsertRequest>,
-        RepositoryUpdateMixin<AuthorUpdateRequest>,
-        RepositoryDeleteMixin<String>
-    implements AuthorRepository {
-  _AuthorRepository(super.db) : super(tableName: 'authors', keyName: 'id');
-
-  @override
-  Future<Author?> queryAuthor(String id) {
-    return queryOne(id, AuthorQueryable());
-  }
-
-  @override
-  Future<List<Author>> queryAuthors([QueryParams? params]) {
-    return queryMany(AuthorQueryable(), params);
-  }
-
-  @override
-  Future<void> insert(List<AuthorInsertRequest> requests) async {
-    if (requests.isEmpty) return;
-
-    var values = QueryValues();
-    await db.query(
-      'INSERT INTO "authors" ( "id", "name" )\n'
-      'VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.name)} )').join(', ')}\n',
-      values.values,
-    );
-  }
-
-  @override
-  Future<void> update(List<AuthorUpdateRequest> requests) async {
-    if (requests.isEmpty) return;
-    var values = QueryValues();
-    await db.query(
-      'UPDATE "authors"\n'
-      'SET "name" = COALESCE(UPDATED."name"::text, "authors"."name")\n'
-      'FROM ( VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.name)} )').join(', ')} )\n'
-      'AS UPDATED("id", "name")\n'
-      'WHERE "authors"."id" = UPDATED."id"',
-      values.values,
-    );
-  }
-}
-
-abstract class BookRepository
-    implements
-        ModelRepository,
-        ModelRepositoryInsert<BookInsertRequest>,
-        ModelRepositoryUpdate<BookUpdateRequest>,
-        ModelRepositoryDelete<String> {
-  factory BookRepository._(Database db) = _BookRepository;
-
-  Future<Book?> queryBook(String id);
-  Future<List<Book>> queryBooks([QueryParams? params]);
-}
-
-class _BookRepository extends BaseRepository
-    with
-        RepositoryInsertMixin<BookInsertRequest>,
-        RepositoryUpdateMixin<BookUpdateRequest>,
-        RepositoryDeleteMixin<String>
-    implements BookRepository {
-  _BookRepository(super.db) : super(tableName: 'books', keyName: 'id');
-
-  @override
-  Future<Book?> queryBook(String id) {
-    return queryOne(id, BookQueryable());
-  }
-
-  @override
-  Future<List<Book>> queryBooks([QueryParams? params]) {
-    return queryMany(BookQueryable(), params);
-  }
-
-  @override
-  Future<void> insert(List<BookInsertRequest> requests) async {
-    if (requests.isEmpty) return;
-
-    var values = QueryValues();
-    await db.query(
-      'INSERT INTO "books" ( "id", "title", "author_id" )\n'
-      'VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.title)}, ${values.add(r.authorId)} )').join(', ')}\n',
-      values.values,
-    );
-  }
-
-  @override
-  Future<void> update(List<BookUpdateRequest> requests) async {
-    if (requests.isEmpty) return;
-    var values = QueryValues();
-    await db.query(
-      'UPDATE "books"\n'
-      'SET "title" = COALESCE(UPDATED."title"::text, "books"."title"), "author_id" = COALESCE(UPDATED."author_id"::text, "books"."author_id")\n'
-      'FROM ( VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.title)}, ${values.add(r.authorId)} )').join(', ')} )\n'
-      'AS UPDATED("id", "title", "author_id")\n'
-      'WHERE "books"."id" = UPDATED."id"',
-      values.values,
-    );
-  }
-}
-
-class AuthorInsertRequest {
-  AuthorInsertRequest({
-    required this.id,
-    required this.name,
-  });
-
-  String id;
-  String name;
-}
-
-class BookInsertRequest {
-  BookInsertRequest({
-    required this.id,
-    required this.title,
-    required this.authorId,
-  });
-
-  String id;
-  String title;
-  String authorId;
-}
-
-class AuthorUpdateRequest {
-  AuthorUpdateRequest({
-    required this.id,
-    this.name,
-  });
-
-  String id;
-  String? name;
-}
-
-class BookUpdateRequest {
-  BookUpdateRequest({
-    required this.id,
-    this.title,
-    this.authorId,
-  });
-
-  String id;
-  String? title;
-  String? authorId;
-}
-
-class AuthorQueryable extends KeyedViewQueryable<Author, String> {
-  @override
-  String get keyName => 'id';
-
-  @override
-  String encodeKey(String key) => TextEncoder.i.encode(key);
-
-  @override
-  String get query => 'SELECT "authors".*'
-      'FROM "authors"';
-
-  @override
-  String get tableAlias => 'authors';
-
-  @override
-  Author decode(TypedMap map) => AuthorView(id: map.get('id'), name: map.get('name'));
-}
-
-class AuthorView with Author {
-  AuthorView({
-    required this.id,
-    required this.name,
-  });
-
-  @override
-  final String id;
-  @override
-  final String name;
-}
-
-class BookQueryable extends KeyedViewQueryable<Book, String> {
-  @override
-  String get keyName => 'id';
-
-  @override
-  String encodeKey(String key) => TextEncoder.i.encode(key);
-
-  @override
-  String get query => 'SELECT "books".*, row_to_json("author".*) as "author"'
-      'FROM "books"'
-      'LEFT JOIN (${AuthorQueryable().query}) "author"'
-      'ON "books"."author_id" = "author"."id"';
-
-  @override
-  String get tableAlias => 'books';
-
-  @override
-  Book decode(TypedMap map) => BookView(
-      id: map.get('id'),
-      title: map.get('title'),
-      author: map.get('author', AuthorQueryable().decoder));
-}
-
-class BookView with Book {
-  BookView({
-    required this.id,
-    required this.title,
-    required this.author,
-  });
-
-  @override
-  final String id;
-  @override
-  final String title;
-  @override
-  final Author author;
-}
diff --git a/test/migration/schemas/schema_1.schema.dart b/test/migration/schemas/schema_1.schema.dart
deleted file mode 100644
index 4a40627..0000000
--- a/test/migration/schemas/schema_1.schema.dart
+++ /dev/null
@@ -1,232 +0,0 @@
-part of 'schema_1.dart';
-
-extension Schema1Repositories on Database {
-  AuthorRepository get authors => AuthorRepository._(this);
-  BookRepository get books => BookRepository._(this);
-}
-
-abstract class AuthorRepository
-    implements
-        ModelRepository,
-        ModelRepositoryInsert<AuthorInsertRequest>,
-        ModelRepositoryUpdate<AuthorUpdateRequest>,
-        ModelRepositoryDelete<String> {
-  factory AuthorRepository._(Database db) = _AuthorRepository;
-
-  Future<Author?> queryAuthor(String id);
-  Future<List<Author>> queryAuthors([QueryParams? params]);
-}
-
-class _AuthorRepository extends BaseRepository
-    with
-        RepositoryInsertMixin<AuthorInsertRequest>,
-        RepositoryUpdateMixin<AuthorUpdateRequest>,
-        RepositoryDeleteMixin<String>
-    implements AuthorRepository {
-  _AuthorRepository(super.db) : super(tableName: 'authors', keyName: 'id');
-
-  @override
-  Future<Author?> queryAuthor(String id) {
-    return queryOne(id, AuthorQueryable());
-  }
-
-  @override
-  Future<List<Author>> queryAuthors([QueryParams? params]) {
-    return queryMany(AuthorQueryable(), params);
-  }
-
-  @override
-  Future<void> insert(List<AuthorInsertRequest> requests) async {
-    if (requests.isEmpty) return;
-
-    var values = QueryValues();
-    await db.query(
-      'INSERT INTO "authors" ( "id", "name" )\n'
-      'VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.name)} )').join(', ')}\n',
-      values.values,
-    );
-  }
-
-  @override
-  Future<void> update(List<AuthorUpdateRequest> requests) async {
-    if (requests.isEmpty) return;
-    var values = QueryValues();
-    await db.query(
-      'UPDATE "authors"\n'
-      'SET "name" = COALESCE(UPDATED."name"::text, "authors"."name")\n'
-      'FROM ( VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.name)} )').join(', ')} )\n'
-      'AS UPDATED("id", "name")\n'
-      'WHERE "authors"."id" = UPDATED."id"',
-      values.values,
-    );
-  }
-}
-
-abstract class BookRepository
-    implements
-        ModelRepository,
-        ModelRepositoryInsert<BookInsertRequest>,
-        ModelRepositoryUpdate<BookUpdateRequest>,
-        ModelRepositoryDelete<String> {
-  factory BookRepository._(Database db) = _BookRepository;
-
-  Future<Book?> queryBook(String id);
-  Future<List<Book>> queryBooks([QueryParams? params]);
-}
-
-class _BookRepository extends BaseRepository
-    with
-        RepositoryInsertMixin<BookInsertRequest>,
-        RepositoryUpdateMixin<BookUpdateRequest>,
-        RepositoryDeleteMixin<String>
-    implements BookRepository {
-  _BookRepository(super.db) : super(tableName: 'books', keyName: 'id');
-
-  @override
-  Future<Book?> queryBook(String id) {
-    return queryOne(id, BookQueryable());
-  }
-
-  @override
-  Future<List<Book>> queryBooks([QueryParams? params]) {
-    return queryMany(BookQueryable(), params);
-  }
-
-  @override
-  Future<void> insert(List<BookInsertRequest> requests) async {
-    if (requests.isEmpty) return;
-
-    var values = QueryValues();
-    await db.query(
-      'INSERT INTO "books" ( "id", "title", "author_id" )\n'
-      'VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.title)}, ${values.add(r.authorId)} )').join(', ')}\n',
-      values.values,
-    );
-  }
-
-  @override
-  Future<void> update(List<BookUpdateRequest> requests) async {
-    if (requests.isEmpty) return;
-    var values = QueryValues();
-    await db.query(
-      'UPDATE "books"\n'
-      'SET "title" = COALESCE(UPDATED."title"::text, "books"."title"), "author_id" = COALESCE(UPDATED."author_id"::text, "books"."author_id")\n'
-      'FROM ( VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.title)}, ${values.add(r.authorId)} )').join(', ')} )\n'
-      'AS UPDATED("id", "title", "author_id")\n'
-      'WHERE "books"."id" = UPDATED."id"',
-      values.values,
-    );
-  }
-}
-
-class AuthorInsertRequest {
-  AuthorInsertRequest({
-    required this.id,
-    required this.name,
-  });
-
-  String id;
-  String name;
-}
-
-class BookInsertRequest {
-  BookInsertRequest({
-    required this.id,
-    required this.title,
-    required this.authorId,
-  });
-
-  String id;
-  String title;
-  String authorId;
-}
-
-class AuthorUpdateRequest {
-  AuthorUpdateRequest({
-    required this.id,
-    this.name,
-  });
-
-  String id;
-  String? name;
-}
-
-class BookUpdateRequest {
-  BookUpdateRequest({
-    required this.id,
-    this.title,
-    this.authorId,
-  });
-
-  String id;
-  String? title;
-  String? authorId;
-}
-
-class AuthorQueryable extends KeyedViewQueryable<Author, String> {
-  @override
-  String get keyName => 'id';
-
-  @override
-  String encodeKey(String key) => TextEncoder.i.encode(key);
-
-  @override
-  String get query => 'SELECT "authors".*'
-      'FROM "authors"';
-
-  @override
-  String get tableAlias => 'authors';
-
-  @override
-  Author decode(TypedMap map) => AuthorView(id: map.get('id'), name: map.get('name'));
-}
-
-class AuthorView with Author {
-  AuthorView({
-    required this.id,
-    required this.name,
-  });
-
-  @override
-  final String id;
-  @override
-  final String name;
-}
-
-class BookQueryable extends KeyedViewQueryable<Book, String> {
-  @override
-  String get keyName => 'id';
-
-  @override
-  String encodeKey(String key) => TextEncoder.i.encode(key);
-
-  @override
-  String get query => 'SELECT "books".*, row_to_json("author".*) as "author"'
-      'FROM "books"'
-      'LEFT JOIN (${AuthorQueryable().query}) "author"'
-      'ON "books"."author_id" = "author"."id"';
-
-  @override
-  String get tableAlias => 'books';
-
-  @override
-  Book decode(TypedMap map) => BookView(
-      id: map.get('id'),
-      title: map.get('title'),
-      author: map.get('author', AuthorQueryable().decoder));
-}
-
-class BookView with Book {
-  BookView({
-    required this.id,
-    required this.title,
-    required this.author,
-  });
-
-  @override
-  final String id;
-  @override
-  final String title;
-  @override
-  final Author author;
-}
diff --git a/test/migration/schemas/schema_2.schema.dart b/test/migration/schemas/schema_2.schema.dart
deleted file mode 100644
index fbf9000..0000000
--- a/test/migration/schemas/schema_2.schema.dart
+++ /dev/null
@@ -1,240 +0,0 @@
-part of 'schema_2.dart';
-
-extension Schema2Repositories on Database {
-  AuthorRepository get authors => AuthorRepository._(this);
-  BookRepository get books => BookRepository._(this);
-}
-
-abstract class AuthorRepository
-    implements
-        ModelRepository,
-        ModelRepositoryInsert<AuthorInsertRequest>,
-        ModelRepositoryUpdate<AuthorUpdateRequest>,
-        ModelRepositoryDelete<String> {
-  factory AuthorRepository._(Database db) = _AuthorRepository;
-
-  Future<Author?> queryAuthor(String id);
-  Future<List<Author>> queryAuthors([QueryParams? params]);
-}
-
-class _AuthorRepository extends BaseRepository
-    with
-        RepositoryInsertMixin<AuthorInsertRequest>,
-        RepositoryUpdateMixin<AuthorUpdateRequest>,
-        RepositoryDeleteMixin<String>
-    implements AuthorRepository {
-  _AuthorRepository(super.db) : super(tableName: 'authors', keyName: 'id');
-
-  @override
-  Future<Author?> queryAuthor(String id) {
-    return queryOne(id, AuthorQueryable());
-  }
-
-  @override
-  Future<List<Author>> queryAuthors([QueryParams? params]) {
-    return queryMany(AuthorQueryable(), params);
-  }
-
-  @override
-  Future<void> insert(List<AuthorInsertRequest> requests) async {
-    if (requests.isEmpty) return;
-
-    var values = QueryValues();
-    await db.query(
-      'INSERT INTO "authors" ( "id", "name" )\n'
-      'VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.name)} )').join(', ')}\n',
-      values.values,
-    );
-  }
-
-  @override
-  Future<void> update(List<AuthorUpdateRequest> requests) async {
-    if (requests.isEmpty) return;
-    var values = QueryValues();
-    await db.query(
-      'UPDATE "authors"\n'
-      'SET "name" = COALESCE(UPDATED."name"::text, "authors"."name")\n'
-      'FROM ( VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.name)} )').join(', ')} )\n'
-      'AS UPDATED("id", "name")\n'
-      'WHERE "authors"."id" = UPDATED."id"',
-      values.values,
-    );
-  }
-}
-
-abstract class BookRepository
-    implements
-        ModelRepository,
-        ModelRepositoryInsert<BookInsertRequest>,
-        ModelRepositoryUpdate<BookUpdateRequest>,
-        ModelRepositoryDelete<String> {
-  factory BookRepository._(Database db) = _BookRepository;
-
-  Future<Book?> queryBook(String id);
-  Future<List<Book>> queryBooks([QueryParams? params]);
-}
-
-class _BookRepository extends BaseRepository
-    with
-        RepositoryInsertMixin<BookInsertRequest>,
-        RepositoryUpdateMixin<BookUpdateRequest>,
-        RepositoryDeleteMixin<String>
-    implements BookRepository {
-  _BookRepository(super.db) : super(tableName: 'books', keyName: 'id');
-
-  @override
-  Future<Book?> queryBook(String id) {
-    return queryOne(id, BookQueryable());
-  }
-
-  @override
-  Future<List<Book>> queryBooks([QueryParams? params]) {
-    return queryMany(BookQueryable(), params);
-  }
-
-  @override
-  Future<void> insert(List<BookInsertRequest> requests) async {
-    if (requests.isEmpty) return;
-
-    var values = QueryValues();
-    await db.query(
-      'INSERT INTO "books" ( "id", "title", "rating", "author_id" )\n'
-      'VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.title)}, ${values.add(r.rating)}, ${values.add(r.authorId)} )').join(', ')}\n',
-      values.values,
-    );
-  }
-
-  @override
-  Future<void> update(List<BookUpdateRequest> requests) async {
-    if (requests.isEmpty) return;
-    var values = QueryValues();
-    await db.query(
-      'UPDATE "books"\n'
-      'SET "title" = COALESCE(UPDATED."title"::text, "books"."title"), "rating" = COALESCE(UPDATED."rating"::int8, "books"."rating"), "author_id" = COALESCE(UPDATED."author_id"::text, "books"."author_id")\n'
-      'FROM ( VALUES ${requests.map((r) => '( ${values.add(r.id)}, ${values.add(r.title)}, ${values.add(r.rating)}, ${values.add(r.authorId)} )').join(', ')} )\n'
-      'AS UPDATED("id", "title", "rating", "author_id")\n'
-      'WHERE "books"."id" = UPDATED."id"',
-      values.values,
-    );
-  }
-}
-
-class AuthorInsertRequest {
-  AuthorInsertRequest({
-    required this.id,
-    required this.name,
-  });
-
-  String id;
-  String name;
-}
-
-class BookInsertRequest {
-  BookInsertRequest({
-    required this.id,
-    required this.title,
-    required this.rating,
-    required this.authorId,
-  });
-
-  String id;
-  String title;
-  int rating;
-  String authorId;
-}
-
-class AuthorUpdateRequest {
-  AuthorUpdateRequest({
-    required this.id,
-    this.name,
-  });
-
-  String id;
-  String? name;
-}
-
-class BookUpdateRequest {
-  BookUpdateRequest({
-    required this.id,
-    this.title,
-    this.rating,
-    this.authorId,
-  });
-
-  String id;
-  String? title;
-  int? rating;
-  String? authorId;
-}
-
-class AuthorQueryable extends KeyedViewQueryable<Author, String> {
-  @override
-  String get keyName => 'id';
-
-  @override
-  String encodeKey(String key) => TextEncoder.i.encode(key);
-
-  @override
-  String get query => 'SELECT "authors".*'
-      'FROM "authors"';
-
-  @override
-  String get tableAlias => 'authors';
-
-  @override
-  Author decode(TypedMap map) => AuthorView(id: map.get('id'), name: map.get('name'));
-}
-
-class AuthorView with Author {
-  AuthorView({
-    required this.id,
-    required this.name,
-  });
-
-  @override
-  final String id;
-  @override
-  final String name;
-}
-
-class BookQueryable extends KeyedViewQueryable<Book, String> {
-  @override
-  String get keyName => 'id';
-
-  @override
-  String encodeKey(String key) => TextEncoder.i.encode(key);
-
-  @override
-  String get query => 'SELECT "books".*, row_to_json("author".*) as "author"'
-      'FROM "books"'
-      'LEFT JOIN (${AuthorQueryable().query}) "author"'
-      'ON "books"."author_id" = "author"."id"';
-
-  @override
-  String get tableAlias => 'books';
-
-  @override
-  Book decode(TypedMap map) => BookView(
-      id: map.get('id'),
-      title: map.get('title'),
-      rating: map.get('rating'),
-      author: map.get('author', AuthorQueryable().decoder));
-}
-
-class BookView with Book {
-  BookView({
-    required this.id,
-    required this.title,
-    required this.rating,
-    required this.author,
-  });
-
-  @override
-  final String id;
-  @override
-  final String title;
-  @override
-  final int rating;
-  @override
-  final Author author;
-}