yashmayya commented on code in PR #14507:
URL: https://github.com/apache/pinot/pull/14507#discussion_r1905228336
##########
pinot-query-planner/src/main/java/org/apache/pinot/query/planner/physical/colocated/GreedyShuffleRewriteVisitor.java:
##########
@@ -209,24 +209,43 @@ public Set<ColocationKey>
visitMailboxSend(MailboxSendNode node, GreedyShuffleRe
boolean canSkipShuffleBasic = colocationKeyCondition(oldColocationKeys,
distributionKeys);
// If receiver is not a join-stage, then we can determine distribution
type now.
- if (!context.isJoinStage(node.getReceiverStageId())) {
+ Iterable<Integer> receiverStageIds = node.getReceiverStageIds();
+ if (noneIsJoin(receiverStageIds, context)) {
Set<ColocationKey> colocationKeys;
- if (canSkipShuffleBasic && areServersSuperset(node.getReceiverStageId(),
node.getStageId())) {
+ if (canSkipShuffleBasic && allAreSuperSet(receiverStageIds, node)) {
Review Comment:
Thanks for the explanation! Might be useful to add this as a comment in the
code as well.
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