public JoinQuery Where <T1, T2, T3>(Expression <Func <T1, T2, T3, bool> > where) where T1 : class, new() where T2 : class, new() where T3 : class, new()
{
SqlVisitor visitor = new SqlVisitor(DbContext.DataBase.DBType, callIndex++, WithAlias);
visitor.Translate(where);
WhereClause.AppendFormat("{0} AND ", visitor.SqlBuilder.ToString());;
Parameters.AddRange(visitor.Parameters);
return(this);
}