diff --git a/hyracks-examples/btree-example/btreehelper/pom.xml b/hyracks-examples/btree-example/btreehelper/pom.xml
index 2615dc2..046d762 100644
--- a/hyracks-examples/btree-example/btreehelper/pom.xml
+++ b/hyracks-examples/btree-example/btreehelper/pom.xml
@@ -2,8 +2,6 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks.examples.btree</groupId>
   <artifactId>btreehelper</artifactId>
-  <version>0.2.0-SNAPSHOT</version>
-
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>btree-example</artifactId>
@@ -29,6 +27,11 @@
   		<version>0.2.0-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
+  	<dependency>
+  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<artifactId>hyracks-data-std</artifactId>
+  		<version>0.2.0-SNAPSHOT</version>
+  	</dependency>
   </dependencies>
   <build>
     <plugins>
diff --git a/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/DataGenOperatorDescriptor.java b/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/DataGenOperatorDescriptor.java
index 35deb57..36e315d 100644
--- a/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/DataGenOperatorDescriptor.java
+++ b/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/DataGenOperatorDescriptor.java
@@ -58,8 +58,8 @@
     }
 
     @Override
-    public IOperatorNodePushable createPushRuntime(IHyracksTaskContext ctx, IRecordDescriptorProvider recordDescProvider,
-            int partition, int nPartitions) {
+    public IOperatorNodePushable createPushRuntime(IHyracksTaskContext ctx,
+            IRecordDescriptorProvider recordDescProvider, int partition, int nPartitions) {
 
         final ByteBuffer outputFrame = ctx.allocateFrame();
         final FrameTupleAppender appender = new FrameTupleAppender(ctx.getFrameSize());
@@ -82,7 +82,7 @@
                     appender.reset(outputFrame, true);
                     for (int i = 0; i < numRecords; i++) {
                         tb.reset();
-                        for (int j = 0; j < recDesc.getFields().length; j++) {
+                        for (int j = 0; j < recDesc.getFieldCount(); j++) {
                             genField(tb, j);
                         }