public T MapSingle(QueryResult queryResult)
{
var ord = queryResult.GetOrdinal(_aliasName);
if (queryResult.IsDBNull(ord))
{
return(default(T));
}
if (typeof(T).IsEnum)
{
return((T)(object)QueryTypeReaders.GetTypeReader <int>()(queryResult, ord));
}
return(QueryTypeReaders.GetTypeReader <T>()(queryResult, ord));
}
public T ReadField <T>(SqlStorageField <TEntity> field)
{
var ord = _queryResult.GetOrdinal(field.FieldName);
if (_queryResult.IsDBNull(ord))
{
return(default(T));
}
if (typeof(T).IsEnum)
{
return((T)(object)QueryTypeReaders.GetTypeReader <int>()(_queryResult, ord));
}
var reader = QueryTypeReaders.GetTypeReader <T>();
if (reader == null)
{
throw new System.InvalidOperationException("Attempting to read an unsupported data type from query result.");
}
return(reader(_queryResult, ord));
}