public static QueryExpresion And(this QueryExpresion expr, string nextExpression)
{
if (!string.IsNullOrEmpty(nextExpression))
{
expr.Junction = SqlUtil.AND;
expr.Last().NextExpression = new QueryExpresion(SqlUtil.AND, nextExpression);
}
return(expr);
}
public static QueryExpresion Append(this QueryExpresion expr, string junction, string nextExpression)
{
if (!string.IsNullOrEmpty(nextExpression) && !string.IsNullOrEmpty(junction))
{
expr.Junction = junction;
expr.Last().NextExpression = new QueryExpresion(nextExpression);
}
return(expr);
}