presto-kinesis/src/main/java/io/prestosql/plugin/kinesis/KinesisRecordSet.java/KinesisRecordCursor/getFieldValueProvider
class KinesisRecordCursor:        private FieldValueProvider getFieldValueProvider(int field, Class<?> expectedType)
        {
            checkArgument(field < columnHandles.size(), "Invalid field index");
            checkFieldType(field, expectedType);
            return currentRowValues[field];
        }