anchor.diff:      );
     }
   }
  +
  +class MultipleDbTestPage extends StatelessWidget {
  +  @override
  +  Widget build(BuildContext context) {
  +    Widget dbTile(String name) {
  +      return ListTile(
  +        title: Text(name),
  +        onTap: () {
  +          Navigator.of(context).push(MaterialPageRoute(builder: (_) {
  +            return SimpleDbTestPage(
  +              dbName: name,
  +            );
  +          }));
  +        },
  +      );
  +    }
  +
  +    return Scaffold(
  +      appBar: AppBar(
  +        title: Text('Multiple databases'),
  +      ),
  +      body: ListView(
  +        children: <Widget>[
  +          dbTile('data1.db'),
  +          dbTile('data2.db'),
  +          dbTile('data3.db')
  +        ],
  +      ),
  +    );
  +  }
  +}
  +
  +class SimpleDbTestPage extends StatefulWidget {
  +  const SimpleDbTestPage({Key key, this.dbName}) : super(key: key);
  +  final String dbName;
  +
  +  @override
  +  _SimpleDbTestPageState createState() => _SimpleDbTestPageState();
  +}
  +
  +class _SimpleDbTestPageState extends State<SimpleDbTestPage> {
  +  Database database;
  +
  +  Future<Database> _openDatabase() async {
  +    // await Sqflite.devSetOptions(SqfliteOptions(logLevel: sqfliteLogLevelVerbose));
  +    return database ??= await databaseFactory.openDatabase(widget.dbName,
  +        options: OpenDatabaseOptions(
  +            version: 1,
  +            onCreate: (db, version) async {
  +              await db.execute('CREATE TABLE Test (value TEXT)');
  +            }));
  +  }
  +
  +  Future _closeDatabase() async {
  +    await database?.close();
  +    database = null;
  +  }
  +
  +  @override
  +  void initState() {
  +    super.initState();
  +  }
  +
  +  @override
  +  Widget build(BuildContext context) {
  +    return Scaffold(
  +        appBar: AppBar(
  +          title: Text('Simple db ${widget.dbName}'),
  +        ),
  +        body: Builder(
  +          builder: (context) {
  +            Widget menuItem(String title, void Function() onTap,
  +                {String summary}) {
  +              return ListTile(
  +                title: Text(title),
  +                subtitle: summary == null ? null : Text(summary),
  +                onTap: onTap,
  +              );
  +            }
  +
  +            Future _countRecord() async {
  +              var db = await _openDatabase();
  +              var result = await firstIntValue(
  +                  await db.query('test', columns: ['COUNT(*)']));
  +              Scaffold.of(context).showSnackBar(SnackBar(
  +                content: Text('$result records'),
  +                duration: Duration(milliseconds: 700),
  +              ));
  +            }
  +
  +            var items = <Widget>[
  +              menuItem('open Database', () async {
  +                await _openDatabase();
  +              }, summary: 'Open the database'),
  +              menuItem('Add record', () async {
  +                var db = await _openDatabase();
  +                await db.insert('test', {'value': 'some_value'});
  +                await _countRecord();
  +              }, summary: 'Add one record. Open the database if needed'),
  +              menuItem('Count record', () async {
  +                await _countRecord();
  +              }, summary: 'Count records. Open the database if needed'),
  +              menuItem(
  +                'Close Database',
  +                () async {
  +                  await _closeDatabase();
  +                },
  +              ),
  +            ];
  +            return ListView(
  +              children: items,
  +            );
  +          },
  +        ));
  +  }
  +}
  
positive.code:         final factory = databaseFactory as impl.SqfliteDatabaseFactoryMixin;
          var info = await factory.getDebugInfo();
          print(info?.toString());
        }, summary: 'Implementation info (dev only)')
      ];
    }
  
  
negative.code: import 'package:flutter/material.dart';
  import 'package:sqflite/sqflite.dart';
  import 'package:sqflite/src/factory_mixin.dart' as impl;
  import 'package:sqflite/utils/utils.dart';
  import 'package:sqflite_example/model/item.dart';
  import 'package:sqflite_example/src/item_widget.dart';
  import 'package:sqflite_example/utils.dart';
  