morrySnow commented on code in PR #16459:
URL: https://github.com/apache/doris/pull/16459#discussion_r1098567216
##########
fe/fe-core/src/main/java/org/apache/doris/planner/DistributedPlanner.java:
##########
@@ -557,6 +557,12 @@ private boolean
dataDistributionMatchEqPredicate(List<BinaryPredicate> eqJoinPre
cannotReason.add(DistributedPlanColocateRule.COLOCATE_GROUP_IS_NOT_STABLE);
return false;
}
+ } else {
+ // query same table but hit different rollup, colocate join should
be disable
+ if (leftRoot.getSelectedIndexId() !=
rightRoot.getSelectedIndexId()) {
+
cannotReason.add(DistributedPlanColocateRule.QUERY_SAME_TABLE_BUT_HIT_DIFF_ROLLUP);
+ return false;
Review Comment:
if table is a colocate table, it could do colocate join with itself when
group is stable
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