From 91b33f98501cab8081f9cf2dce74418b4a018019 Mon Sep 17 00:00:00 2001
From: Jinfeng Ni <jni@maprtech.com>
Date: Thu, 24 Jul 2014 11:51:35 -0700
Subject: DRILL-931: Support select * query in Drill planner. (Part of change
 is in Optiq).

---
 .../org/apache/drill/common/expression/TypedNullConstant.java  | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'common')

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
+    }
+
 }
-- 
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