Respect db options in runtime schema validation

drift/test/database/validate_schema_test.dart

@@ -0,0 +1,24 @@
+@TestOn('vm')
+import 'package:drift/drift.dart';
+import 'package:drift_dev/api/migrations.dart';
+import 'package:test/test.dart';
+
+import '../generated/custom_tables.dart';
+import '../test_utils/test_utils.dart';
+
+void main() {
+  test('finds mismatch for datetime format', () async {
+    final db = CustomTablesDb.connect(testInMemoryDatabase())
+      ..options = const DriftDatabaseOptions(storeDateTimeAsText: false);
+    await db.customSelect('SELECT 1').get(); // Open db, setup tables
+
+    db.options = const DriftDatabaseOptions(storeDateTimeAsText: true);
+    // Validation should fail now because datetimes are in the wrong format.
+
+    await expectLater(
+      db.validateDatabaseSchema(),
+      throwsA(isA<SchemaMismatch>().having(
+          (e) => e.toString(), 'toString()', contains('TEXT and INTEGER'))),
+    );
+  });
+}

drift/test/generated/custom_tables.dart

@@ -29,4 +29,8 @@ class CustomTablesDb extends _$CustomTablesDb {
 
   @override
   MigrationStrategy migration = MigrationStrategy();
+
+  @override
+  DriftDatabaseOptions options =
+      const DriftDatabaseOptions(storeDateTimeAsText: true);
 }

drift_dev/lib/api/migrations.dart

@@ -103,6 +103,9 @@ class _GenerateFromScratch extends GeneratedDatabase {
   _GenerateFromScratch(this.reference, QueryExecutor executor)
       : super(executor);
 
+  @override
+  DriftDatabaseOptions get options => reference.options;
+
   @override
   Iterable<TableInfo<Table, dynamic>> get allTables => reference.allTables;