internal static HashSet <T> ColumnDistinct <T>(this IDataReader reader, IOrmLiteDialectProvider dialectProvider)
{
var columValues = new HashSet <T>();
while (reader.Read())
{
var value = dialectProvider.FromDbValue(reader, 0, typeof(T));
if (value == DBNull.Value)
{
value = default(T);
}
columValues.Add((T)value);
}
return(columValues);
}
public static object FromDbValue(this IOrmLiteDialectProvider dialect,
IDataReader reader, int columnIndex, Type type)
{
return(dialect.FromDbValue(dialect.GetValue(reader, columnIndex, type), type));
}