Haisheng Yuan created CALCITE-3041:
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Summary: Query runs endless when setImportance to 0
Key: CALCITE-3041
URL: https://issues.apache.org/jira/browse/CALCITE-3041
Project: Calcite
Issue Type: Bug
Components: core
Reporter: Haisheng Yuan
Make the following changes:
{code:java}
--- a/core/src/main/java/org/apache/calcite/rel/rules/AggregateRemoveRule.java
+++ b/core/src/main/java/org/apache/calcite/rel/rules/AggregateRemoveRule.java
@@ -123,6 +123,7 @@ public void onMatch(RelOptRuleCall call) {
// aggregate functions, add a project for the same effect.
relBuilder.project(relBuilder.fields(aggregate.getGroupSet().asList()));
}
+ call.getPlanner().setImportance(aggregate, 0.0);
call.transformTo(relBuilder.build());
}
}
{code}
The query in {{JdbcTest.testGroupBy1Max1}} will run endless.
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