61yao commented on code in PR #9968:
URL: https://github.com/apache/pinot/pull/9968#discussion_r1048196994
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pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/operator/MailboxSendOperator.java:
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@@ -49,9 +47,6 @@ public class MailboxSendOperator extends
BaseOperator<TransferableBlock> {
private static final Logger LOGGER =
LoggerFactory.getLogger(MailboxSendOperator.class);
private static final String EXPLAIN_NAME = "MAILBOX_SEND";
- private static final Set<RelDistribution.Type> SUPPORTED_EXCHANGE_TYPE =
- ImmutableSet.of(RelDistribution.Type.SINGLETON,
RelDistribution.Type.RANDOM_DISTRIBUTED,
- RelDistribution.Type.BROADCAST_DISTRIBUTED,
RelDistribution.Type.HASH_DISTRIBUTED);
Review Comment:
Broadcast is only used when join key is empty now after SkipShuffle is
disabled as said above
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