public void NotExistsSelect <TColumns>(TColumns columns, Expression <Func <TColumns, bool> > selectWhereExpression)
{
var expression = new ElementCode(selectWhereExpression, this.Owner.AllColumns, columns);
var table = expression.FindTables().FirstOrDefault();
if (table == null)
{
throw new ApplicationException();
}
var whereExpression = new ElementCode();
whereExpression.Add(SqlKeyword.NotExists);
whereExpression.BeginParenthesize();
whereExpression.Add(SqlKeyword.Select, SqlKeyword.Asterisk, SqlKeyword.From);
whereExpression.Add(table);
whereExpression.Add(SqlKeyword.Where);
whereExpression.Add(expression);
whereExpression.EndParenthesize();
this.Expression = whereExpression;
}