61yao commented on code in PR #9778:
URL: https://github.com/apache/pinot/pull/9778#discussion_r1022381315
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pinot-query-planner/src/main/java/org/apache/calcite/rel/rules/PinotJoinExchangeNodeInsertRule.java:
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@@ -65,6 +65,7 @@ public void onMatch(RelOptRuleCall call) {
if (joinInfo.leftKeys.isEmpty()) {
// when there's no JOIN key, use broadcast.
+ // TODO: Double check broadcast distribution won't cause problems
Review Comment:
I haven't figured out yet. Removed the comment for now
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