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-rw-r--r--common/src/main/java/org/apache/drill/common/expression/TypedNullConstant.java10
1 files changed, 10 insertions, 0 deletions
diff --git a/common/src/main/java/org/apache/drill/common/expression/TypedNullConstant.java b/common/src/main/java/org/apache/drill/common/expression/TypedNullConstant.java
index 8b3a93ff1..9819e0eed 100644
--- a/common/src/main/java/org/apache/drill/common/expression/TypedNullConstant.java
+++ b/common/src/main/java/org/apache/drill/common/expression/TypedNullConstant.java
@@ -52,4 +52,14 @@ public class TypedNullConstant extends LogicalExpressionBase {
return Iterators.emptyIterator();
}
+ @Override
+ public int getSelfCost() {
+ return 0; // TODO
+ }
+
+ @Override
+ public int getCumulativeCost() {
+ return 0; // TODO
+ }
+
}