From be16c092c90231c738aa720efc1662fdadc948f7 Mon Sep 17 00:00:00 2001
From: Hyunsik Choi <hyunsik@apache.org>
Date: Sun, 14 Sep 2014 22:15:11 +0900
Subject: [PATCH] TAJO-1038: Remove use of Builder variable in Schema.

---
 .../src/main/java/org/apache/tajo/catalog/Schema.java          | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/Schema.java b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/Schema.java
index 3aee5d2e3d..296230babd 100644
--- a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/Schema.java
+++ b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/Schema.java
@@ -38,7 +38,6 @@
 
 public class Schema implements ProtoObject<SchemaProto>, Cloneable, GsonObject {
   private static final Log LOG = LogFactory.getLog(Schema.class);
-	private	SchemaProto.Builder builder = SchemaProto.newBuilder();
 
 	@Expose protected List<Column> fields = null;
 	@Expose protected Map<String, Integer> fieldsByQualifiedName = null;
@@ -335,7 +334,6 @@ public Object clone() throws CloneNotSupportedException {
     Schema schema = null;
 
     schema = (Schema) super.clone();
-    schema.builder = CatalogProtos.SchemaProto.newBuilder();
     schema.init();
     for(Column column: this.fields) {
       schema.addColumn(column);
@@ -345,6 +343,7 @@ public Object clone() throws CloneNotSupportedException {
 
 	@Override
 	public SchemaProto getProto() {
+    SchemaProto.Builder builder = SchemaProto.newBuilder();
     builder.clearFields();
     if (this.fields  != null) {
       for(Column col : fields) {