presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/systemtables/ShardMetadataRecordCursor.java/ShardMetadataRecordCursor/getLong
class ShardMetadataRecordCursor:    @Override
    public long getLong(int field)
    {
        checkFieldType(field, long.class);
        return resultSetValues.getLong(field);
    }