xinghuayu007 commented on pull request #5145:
URL: https://github.com/apache/incubator-doris/pull/5145#issuecomment-751921532
> I think it's little tricky here. It's the problem of left olap scan node
with no data cause there is no tablet to decide where to sender the data. when
left table is no data, FE should not chose the bucket shuffle join is better.
>
> ```
> //1 the left table must be only one partition
> if (leftScanNode.getSelectedPartitionIds().size() != 1) {
> return false;
> }
> ```
good ideal. I will modify it.
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