starocean999 commented on code in PR #19169:
URL: https://github.com/apache/doris/pull/19169#discussion_r1179848673
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fe/fe-core/src/main/java/org/apache/doris/qe/Coordinator.java:
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@@ -1357,8 +1357,8 @@ private void computeFragmentExecParams() throws Exception
{
// when left table is empty, it's bucketset is empty.
// set right table destination address to the address of left
table
- if (destParams.instanceExecParams.size() == 1
- &&
destParams.instanceExecParams.get(0).bucketSeqSet.isEmpty()) {
+ if (destParams.instanceExecParams.size() == 1 && (bucketNum == 0
+ ||
destParams.instanceExecParams.get(0).bucketSeqSet.isEmpty())) {
Review Comment:
for colocate join, the bucketNum is the bucket number in default
distribution info. So even the table is empty, the bucketNum is not 0. So add
it back to handle the colocate join case
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