siddharthteotia commented on code in PR #9100:
URL: https://github.com/apache/pinot/pull/9100#discussion_r937325529
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pinot-query-planner/src/main/java/org/apache/pinot/query/rules/PinotJoinExchangeNodeInsertRule.java:
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@@ -70,17 +70,17 @@ public void onMatch(RelOptRuleCall call) {
RelNode leftExchange;
RelNode rightExchange;
List<RelHint> hints = join.getHints();
- if (hints.contains(PinotRelationalHints.USE_HASH_DISTRIBUTE)) {
+ if (hints.contains(PinotRelationalHints.USE_BROADCAST_DISTRIBUTE)) {
+ leftExchange = LogicalExchange.create(leftInput,
RelDistributions.RANDOM_DISTRIBUTED);
+ rightExchange = LogicalExchange.create(rightInput,
RelDistributions.BROADCAST_DISTRIBUTED);
Review Comment:
I see. May be we can do that as a special optimization for BROADCAST
exchange and not make it the default BROADCAST exchange behavior ?
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