Use initial empty cache map

wendigo · wendigo · commit 4bc455144f71 · 2025-10-02T09:42:53.000+02:00
diff --git a/core/trino-main/src/main/java/io/trino/cost/CachingCostProvider.java b/core/trino-main/src/main/java/io/trino/cost/CachingCostProvider.java
@@ -38,7 +38,7 @@ public class CachingCostProvider
     private final Optional<Memo> memo;
     private final Session session;
 
-    private final Map<PlanNode, PlanCostEstimate> cache = new IdentityHashMap<>();
+    private final Map<PlanNode, PlanCostEstimate> cache = new IdentityHashMap<>(0);
 
     public CachingCostProvider(CostCalculator costCalculator, StatsProvider statsProvider, Session session)
     {

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ public class CachingCostProvider`
`38`	`38`	`private final Optional<Memo> memo;`
`39`	`39`	`private final Session session;`
`40`	`40`
`41`		`- private final Map<PlanNode, PlanCostEstimate> cache = new IdentityHashMap<>();`
	`41`	`+ private final Map<PlanNode, PlanCostEstimate> cache = new IdentityHashMap<>(0);`
`42`	`42`
`43`	`43`	`public CachingCostProvider(CostCalculator costCalculator, StatsProvider statsProvider, Session session)`
`44`	`44`	`{`