mycat order by问题((DataMergeService.java:277) -data Merge error:)

[rainleon]

1.版本信息：1.3.0.2
2.解析器：fdbparser
3.问题sql语句：(ps:select的是单表的全部列名)

select
id,
create_time,
update_time,
version,
des_url,
duration,
file_id,
header,
segment_index,
location,
md5,
size,
status
from
mams_video_file_segment
where
file_id=2006267423
and status=1
order by
segment_index asc;

4.异常信息：

WARN BusinessExecutor1 -data Merge error:
java.lang.ArrayIndexOutOfBoundsException: 0 >= 0
at java.util.Vector.elementAt(Vector.java:470)
at org.opencloudb.mpp.tmp.MaxHeap.getRoot(MaxHeap.java:61)
at org.opencloudb.mpp.tmp.MaxHeap.addIfRequired(MaxHeap.java:83)
at org.opencloudb.mpp.tmp.RowDataSorter.addRow(RowDataSorter.java:54)
at org.opencloudb.mpp.DataMergeService.handleRowData(DataMergeService.java:237)
at org.opencloudb.mpp.DataMergeService.access$200(DataMergeService.java:55)
at org.opencloudb.mpp.DataMergeService$2.run(DataMergeService.java:263)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)