danny0405 commented on a change in pull request #1840: [CALCITE-3753] Remove
rule queue importance
URL: https://github.com/apache/calcite/pull/1840#discussion_r389206283
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File path:
core/src/main/java/org/apache/calcite/rel/rules/AggregateRemoveRule.java
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@@ -123,6 +123,7 @@ public void onMatch(RelOptRuleCall call) {
// aggregate functions, add a project for the same effect.
relBuilder.project(relBuilder.fields(aggregate.getGroupSet()));
}
+ call.getPlanner().setImportance(aggregate, 0d);
call.transformTo(relBuilder.build());
Review comment:
Why we need this change?
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