morrySnow commented on code in PR #13928:
URL: https://github.com/apache/doris/pull/13928#discussion_r1018634787
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fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/cascades/CostAndEnforcerJob.java:
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@@ -30,17 +30,22 @@
import org.apache.doris.nereids.properties.PhysicalProperties;
import org.apache.doris.nereids.properties.RequestPropertyDeriver;
import org.apache.doris.nereids.stats.StatsCalculator;
+import org.apache.doris.qe.ConnectContext;
+import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
import java.util.List;
+import java.util.Map;
import java.util.Optional;
/**
* Job to compute cost and add enforcer.
* Inspired by NoisePage and ORCA-Paper.
*/
public class CostAndEnforcerJob extends Job implements Cloneable {
+ private static final Map<GroupExpression, List<List<PhysicalProperties>>>
cache = Maps.newHashMap();
Review Comment:
rename cache to a meaningful name
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