コード例 #1
0
        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));
        }
コード例 #2
0
        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));
        }