问使用linq2db创建数据库

EN

namespace SqliteTest
{
    public partial class ImageDatabaseDB : LinqToDB.Data.DataConnection
    {
        public ITable<testTable> testTables { get { return this.GetTable<testTable>(); } }

        public void InitMappingSchema()
        {
        }
        public ImageDatabaseDB()
        {
            InitDataContext();
            InitMappingSchema();
        }
        public ImageDatabaseDB(string configuration) : base(configuration)
        {
            InitDataContext();
            InitMappingSchema();
        } 
        partial void InitDataContext();
    }
    [Table("testTable")]
    public partial class testTable
    {
        [PrimaryKey, Identity] public int id;
        [Column, NotNull] public string Name;
        [Column, Nullable] public string Description;
    }
    public static partial class TableExtensions
    {
        public static testTable Find(this ITable<testTable> table, long id)
        {
            return table.FirstOrDefault(t =>
                t.id == id);
        }
    }
class Program
{
    static void Main(string[] args)
    {
        const string dbLocation = @".\TestDatabase\TestDatabase.sqlite";
        if (!File.Exists(dbLocation))
        {
            using (var db = new TestDatabaseDB())
            {
                db.CreateCommand(); 
                // create tables...
            }
        }

    }