internal bool Filter(Context context, Expression where)
{
foreach (PropertyInfo pi in this.GetType().GetProperties())
context.Variables[pi.Name] = pi.GetValue(this, null);
return where == null || (bool)where.Calculate(context);
}
private List<Hashtable> getColumnsOf(Type type, string tableName, Expression where, ListSelect fieldNames)
{
List<Hashtable> list = new List<Hashtable>();
foreach (PropertyInfo pi in type.GetProperties())
{
if (pi.PropertyType == typeof(string) || pi.PropertyType.IsValueType || pi.PropertyType==typeof(byte[]))
{
if (pi.PropertyType.IsEnum) continue;
Variables["COLUMN_DEFAULT"] = "";
Variables["DATA_TYPE"] = pi.PropertyType.Name;
Variables["COLUMN_TYPE"] = pi.PropertyType.Name;
Variables["CHARACTER_MAXIMUM_LENGTH"] = 65532;
Variables["IS_NULLABLE"] = false;
Variables["COLUMN_NAME"] = pi.Name;
Variables["IS_AUTO_INCREMENT"] = false;
Variables["TABLE_NAME"] = tableName;
if (where==null || (bool)where.Calculate(this))
{
Hashtable ht = new Hashtable();
foreach (Select field in fieldNames)
ht[field.Alias] = field.Field.Calculate(this);//Variables[fieldName];
list.Add(ht);
}
}
}
return list;
}