/// <summary>
/// Visits the criteria returning potentially reworked version.
/// </summary>
/// <param name="criteria">The criteria.</param>
/// <returns></returns>
/// <exception cref="ValidationError">InvalidCriteriaField</exception>
protected override BaseCriteria VisitCriteria(Criteria criteria)
{
if (criteria.Expression.IsEmptyOrNull())
{
return(base.VisitCriteria(criteria));
}
if (!SqlSyntax.IsValidIdentifier(criteria.Expression))
{
throw new ValidationError("InvalidCriteriaField",
string.Format("{0} is not a valid field name!", criteria.Expression));
}
return(base.VisitCriteria(criteria));
}
public static string RemoveT0Reference(string expression)
{
var index = expression.IndexOf("T0.", StringComparison.OrdinalIgnoreCase);
if (index == 0)
{
string rest = expression.Substring(3);
if (SqlSyntax.IsValidIdentifier(rest))
{
return(rest);
}
}
if (index >= 0)
{
return(T0ReferenceRemover.RemoveT0Aliases(expression));
}
return(expression);
}
