TAJO-1663: Change the variable name storeType to dataFormat.

Closes #790


Project: http://git-wip-us.apache.org/repos/asf/tajo/repo
Commit: http://git-wip-us.apache.org/repos/asf/tajo/commit/b418c499
Tree: http://git-wip-us.apache.org/repos/asf/tajo/tree/b418c499
Diff: http://git-wip-us.apache.org/repos/asf/tajo/diff/b418c499

Branch: refs/heads/branch-0.11.0
Commit: b418c499170afe51bf38163876ce71a7aa639bdc
Parents: 9b4c8ab
Author: Hyunsik Choi <[email protected]>
Authored: Mon Sep 28 14:38:45 2015 -0700
Committer: Hyunsik Choi <[email protected]>
Committed: Mon Sep 28 14:41:59 2015 -0700

----------------------------------------------------------------------
 CHANGES                                         |   2 +
 .../java/org/apache/tajo/algebra/Insert.java    |   2 +-
 .../org/apache/tajo/catalog/CatalogUtil.java    |  77 ++++++------
 .../org/apache/tajo/catalog/DDLBuilder.java     |   6 +-
 .../java/org/apache/tajo/catalog/TableDesc.java |   4 +-
 .../java/org/apache/tajo/catalog/TableMeta.java |  22 ++--
 .../tajo/catalog/json/TableMetaAdapter.java     |   7 +-
 .../src/main/proto/CatalogProtos.proto          |   8 +-
 .../org/apache/tajo/catalog/TestTableMeta.java  |   6 +-
 .../tajo/catalog/store/HiveCatalogStore.java    |  22 ++--
 .../tajo/catalog/store/HiveCatalogUtil.java     |  10 +-
 .../dictionary/AbstractTableDescriptor.java     |   2 +-
 .../InfoSchemaMetadataDictionary.java           |   4 +-
 .../dictionary/TablesTableDescriptor.java       |   2 +-
 .../tajo/catalog/store/AbstractDBStore.java     |  23 ++--
 .../src/main/resources/schemas/derby/derby.xml  |   5 +-
 .../main/resources/schemas/mariadb/mariadb.xml  |   5 +-
 .../src/main/resources/schemas/mysql/mysql.xml  |   5 +-
 .../main/resources/schemas/oracle/oracle.xml    |   5 +-
 .../resources/schemas/postgresql/postgresql.xml |   5 +-
 .../TestCatalogAgainstCaseSensitivity.java      |   2 +-
 .../schemas/derbytest/loadtest/derby.xml        |   2 +-
 .../org/apache/tajo/cli/tools/TajoDump.java     |   3 +-
 .../cli/tsql/commands/DescTableCommand.java     |   2 +-
 .../engine/planner/TestQueryValidation.java     |   2 +-
 .../planner/physical/TestPhysicalPlanner.java   |   4 +-
 .../apache/tajo/engine/query/TestCTASQuery.java |  10 +-
 .../tajo/engine/query/TestCreateTable.java      |   4 +-
 .../TestCTASQuery/CtasWithDataFormat.sql        |  12 ++
 .../queries/TestCTASQuery/CtasWithStoreType.sql |  12 --
 .../TestCTASQuery/testCtasWithDataFormat.sql    |   1 +
 .../TestCTASQuery/testCtasWithStoreType.sql     |   1 -
 .../engine/planner/PhysicalPlannerImpl.java     |   2 +-
 .../tajo/engine/planner/global/DataChannel.java |  22 ++--
 .../engine/planner/global/GlobalPlanner.java    |  36 +++---
 .../global/builder/DistinctGroupbyBuilder.java  |   6 +-
 .../rewriter/rules/GlobalPlanRewriteUtil.java   |   2 +-
 .../planner/physical/BSTIndexScanExec.java      |   2 +-
 .../planner/physical/PhysicalPlanUtil.java      |  16 +--
 .../engine/planner/physical/StoreTableExec.java |   3 +-
 .../org/apache/tajo/master/GlobalEngine.java    |   4 +-
 .../NonForwardQueryResultSystemScanner.java     |   4 +-
 .../apache/tajo/master/exec/QueryExecutor.java  |   2 +-
 .../apache/tajo/querymaster/Repartitioner.java  |   6 +-
 .../java/org/apache/tajo/querymaster/Stage.java |   8 +-
 .../java/org/apache/tajo/querymaster/Task.java  |   2 +-
 .../resources/webapps/admin/catalogview.jsp     |   2 +-
 .../org/apache/tajo/plan/LogicalPlanner.java    |  13 +--
 .../org/apache/tajo/plan/TablePropertyUtil.java |   4 +-
 .../tajo/plan/logical/CreateTableNode.java      |   2 +-
 .../apache/tajo/plan/logical/InsertNode.java    |   2 +-
 .../tajo/plan/logical/PersistentStoreNode.java  |   2 +-
 .../plan/serder/LogicalNodeDeserializer.java    |   4 +-
 .../org/apache/tajo/plan/util/PlannerUtil.java  |   4 +-
 .../plan/verifier/PreLogicalPlanVerifier.java   |   6 +-
 tajo-plan/src/main/proto/Plan.proto             |   2 +-
 .../org/apache/tajo/plan/TestLogicalNode.java   |   2 -
 .../apache/tajo/storage/OldStorageManager.java  |  20 ++--
 .../org/apache/tajo/storage/Tablespace.java     |  16 +--
 .../storage/fragment/FragmentConvertor.java     |  14 +--
 .../tajo/storage/hbase/HBaseFragment.java       |   2 +-
 .../tajo/storage/fragment/FileFragment.java     |   2 +-
 .../apache/tajo/storage/text/TextLineSerDe.java |   2 +-
 .../tajo/storage/TestCompressionStorages.java   |  26 ++---
 .../apache/tajo/storage/TestMergeScanner.java   |  22 ++--
 .../org/apache/tajo/storage/TestStorages.java   |  94 +++++++--------
 .../apache/tajo/storage/index/TestBSTIndex.java | 116 +++++++++----------
 .../index/TestSingleCSVFileBSTIndex.java        |   8 +-
 .../apache/tajo/storage/jdbc/JdbcFragment.java  |   2 +-
 69 files changed, 376 insertions(+), 383 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/CHANGES
----------------------------------------------------------------------
diff --git a/CHANGES b/CHANGES
index fe0a525..3c52241 100644
--- a/CHANGES
+++ b/CHANGES
@@ -40,6 +40,8 @@ Release 0.11.0 - unreleased
 
   IMPROVEMENT
 
+    TAJO-1663: Change the variable name storeType to dataFormat. (hyunsik)
+
     TAJO-1885: Simple query with projection should be supported. (hyunsik)
 
     TAJO-1890: Clean up debug and test modes and unhandled exceptions. 

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-algebra/src/main/java/org/apache/tajo/algebra/Insert.java
----------------------------------------------------------------------
diff --git a/tajo-algebra/src/main/java/org/apache/tajo/algebra/Insert.java 
b/tajo-algebra/src/main/java/org/apache/tajo/algebra/Insert.java
index 8b9df97..4f76886 100644
--- a/tajo-algebra/src/main/java/org/apache/tajo/algebra/Insert.java
+++ b/tajo-algebra/src/main/java/org/apache/tajo/algebra/Insert.java
@@ -98,7 +98,7 @@ public class Insert extends Expr {
     this.storageType = storageType;
   }
 
-  public String getStorageType() {
+  public String getDataFormat() {
     return storageType;
   }
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/CatalogUtil.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/CatalogUtil.java
 
b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/CatalogUtil.java
index 665f9ec..12fb23d 100644
--- 
a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/CatalogUtil.java
+++ 
b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/CatalogUtil.java
@@ -30,13 +30,12 @@ import 
org.apache.tajo.catalog.partition.PartitionMethodDesc;
 import org.apache.tajo.catalog.proto.CatalogProtos;
 import org.apache.tajo.catalog.proto.CatalogProtos.PartitionKeyProto;
 import org.apache.tajo.catalog.proto.CatalogProtos.SchemaProto;
-import org.apache.tajo.catalog.proto.CatalogProtos.StoreType;
+import org.apache.tajo.catalog.proto.CatalogProtos.DataFormat;
 import org.apache.tajo.catalog.proto.CatalogProtos.TableDescProto;
 import org.apache.tajo.catalog.proto.CatalogProtos.TableIdentifierProto;
 import org.apache.tajo.common.TajoDataTypes;
 import org.apache.tajo.common.TajoDataTypes.DataType;
 import org.apache.tajo.exception.InvalidOperationException;
-import org.apache.tajo.exception.TajoRuntimeException;
 import org.apache.tajo.exception.UndefinedOperatorException;
 import org.apache.tajo.storage.StorageConstants;
 import org.apache.tajo.util.KeyValueSet;
@@ -282,53 +281,53 @@ public class CatalogUtil {
   }
 
 
-  public static String getBackwardCompitablityStoreType(String storeType) {
-    return getStoreTypeString(getStoreType(storeType));
+  public static String getBackwardCompitableDataFormat(String dataFormat) {
+    return getDataFormatAsString(asDataFormat(dataFormat));
   }
 
-  public static String getStoreTypeString(final StoreType type) {
-    if (type == StoreType.TEXTFILE) {
+  public static String getDataFormatAsString(final DataFormat type) {
+    if (type == DataFormat.TEXTFILE) {
       return BuiltinStorages.TEXT;
     } else {
       return type.name();
     }
   }
 
-  public static StoreType getStoreType(final String typeStr) {
+  public static DataFormat asDataFormat(final String typeStr) {
     if (typeStr.equalsIgnoreCase("CSV")) {
-      return StoreType.TEXTFILE;
-    } else if (typeStr.equalsIgnoreCase(StoreType.RAW.name())) {
-      return StoreType.RAW;
-    } else if (typeStr.equalsIgnoreCase(StoreType.ROWFILE.name())) {
-      return StoreType.ROWFILE;
-    } else if (typeStr.equalsIgnoreCase(StoreType.RCFILE.name())) {
-      return StoreType.RCFILE;
-    } else if (typeStr.equalsIgnoreCase(StoreType.ORC.name())) {
-      return StoreType.ORC;
-    } else if (typeStr.equalsIgnoreCase(StoreType.PARQUET.name())) {
-      return StoreType.PARQUET;
-    } else if (typeStr.equalsIgnoreCase(StoreType.SEQUENCEFILE.name())) {
-      return StoreType.SEQUENCEFILE;
-    } else if (typeStr.equalsIgnoreCase(StoreType.AVRO.name())) {
-      return StoreType.AVRO;
+      return DataFormat.TEXTFILE;
+    } else if (typeStr.equalsIgnoreCase(DataFormat.RAW.name())) {
+      return CatalogProtos.DataFormat.RAW;
+    } else if 
(typeStr.equalsIgnoreCase(CatalogProtos.DataFormat.ROWFILE.name())) {
+      return DataFormat.ROWFILE;
+    } else if (typeStr.equalsIgnoreCase(DataFormat.RCFILE.name())) {
+      return DataFormat.RCFILE;
+    } else if (typeStr.equalsIgnoreCase(CatalogProtos.DataFormat.ORC.name())) {
+      return CatalogProtos.DataFormat.ORC;
+    } else if (typeStr.equalsIgnoreCase(DataFormat.PARQUET.name())) {
+      return DataFormat.PARQUET;
+    } else if (typeStr.equalsIgnoreCase(DataFormat.SEQUENCEFILE.name())) {
+      return DataFormat.SEQUENCEFILE;
+    } else if (typeStr.equalsIgnoreCase(DataFormat.AVRO.name())) {
+      return CatalogProtos.DataFormat.AVRO;
     } else if (typeStr.equalsIgnoreCase(BuiltinStorages.TEXT)) {
-      return StoreType.TEXTFILE;
-    } else if (typeStr.equalsIgnoreCase(StoreType.JSON.name())) {
-      return StoreType.JSON;
-    } else if (typeStr.equalsIgnoreCase(StoreType.HBASE.name())) {
-      return StoreType.HBASE;
+      return CatalogProtos.DataFormat.TEXTFILE;
+    } else if (typeStr.equalsIgnoreCase(CatalogProtos.DataFormat.JSON.name())) 
{
+      return CatalogProtos.DataFormat.JSON;
+    } else if 
(typeStr.equalsIgnoreCase(CatalogProtos.DataFormat.HBASE.name())) {
+      return CatalogProtos.DataFormat.HBASE;
     } else {
       return null;
     }
   }
 
-  public static TableMeta newTableMeta(String storeType) {
-    KeyValueSet defaultProperties = CatalogUtil.newDefaultProperty(storeType);
-    return new TableMeta(storeType, defaultProperties);
+  public static TableMeta newTableMeta(String dataFormat) {
+    KeyValueSet defaultProperties = CatalogUtil.newDefaultProperty(dataFormat);
+    return new TableMeta(dataFormat, defaultProperties);
   }
 
-  public static TableMeta newTableMeta(String storeType, KeyValueSet options) {
-    return new TableMeta(storeType, options);
+  public static TableMeta newTableMeta(String dataFormat, KeyValueSet options) 
{
+    return new TableMeta(dataFormat, options);
   }
 
   public static TableDesc newTableDesc(String tableName, Schema schema, 
TableMeta meta, Path path) {
@@ -980,21 +979,21 @@ public class CatalogUtil {
   /**
    * Create new table property with default configs. It is used to make 
TableMeta to be stored in Catalog.
    *
-   * @param storeType StoreType
+   * @param dataFormat DataFormat
    * @return Table properties
    */
-  public static KeyValueSet newDefaultProperty(String storeType) {
+  public static KeyValueSet newDefaultProperty(String dataFormat) {
     KeyValueSet options = new KeyValueSet();
-    if (storeType.equalsIgnoreCase(BuiltinStorages.TEXT)) {
+    if (dataFormat.equalsIgnoreCase(BuiltinStorages.TEXT)) {
       options.set(StorageConstants.TEXT_DELIMITER, 
StorageConstants.DEFAULT_FIELD_DELIMITER);
-    } else if (storeType.equalsIgnoreCase("JSON")) {
+    } else if (dataFormat.equalsIgnoreCase("JSON")) {
       options.set(StorageConstants.TEXT_SERDE_CLASS, 
"org.apache.tajo.storage.json.JsonLineSerDe");
-    } else if (storeType.equalsIgnoreCase("RCFILE")) {
+    } else if (dataFormat.equalsIgnoreCase("RCFILE")) {
       options.set(StorageConstants.RCFILE_SERDE, 
StorageConstants.DEFAULT_BINARY_SERDE);
-    } else if (storeType.equalsIgnoreCase("SEQUENCEFILE")) {
+    } else if (dataFormat.equalsIgnoreCase("SEQUENCEFILE")) {
       options.set(StorageConstants.SEQUENCEFILE_SERDE, 
StorageConstants.DEFAULT_TEXT_SERDE);
       options.set(StorageConstants.SEQUENCEFILE_DELIMITER, 
StorageConstants.DEFAULT_FIELD_DELIMITER);
-    } else if (storeType.equalsIgnoreCase("PARQUET")) {
+    } else if (dataFormat.equalsIgnoreCase("PARQUET")) {
       options.set(BLOCK_SIZE, StorageConstants.PARQUET_DEFAULT_BLOCK_SIZE);
       options.set(PAGE_SIZE, StorageConstants.PARQUET_DEFAULT_PAGE_SIZE);
       options.set(COMPRESSION, 
StorageConstants.PARQUET_DEFAULT_COMPRESSION_CODEC_NAME);

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/DDLBuilder.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/DDLBuilder.java
 
b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/DDLBuilder.java
index 7aecc01..7159aae 100644
--- 
a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/DDLBuilder.java
+++ 
b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/DDLBuilder.java
@@ -33,7 +33,7 @@ public class DDLBuilder {
 
     sb.append("--\n")
       .append("-- Name: 
").append(CatalogUtil.denormalizeIdentifier(desc.getName())).append("; Type: 
TABLE;")
-      .append(" Storage: ").append(desc.getMeta().getStoreType());
+      .append(" Storage: ").append(desc.getMeta().getDataFormat());
     sb.append("\n-- Path: ").append(desc.getUri());
     sb.append("\n--\n");
     sb.append("CREATE EXTERNAL TABLE 
").append(CatalogUtil.denormalizeIdentifier(desc.getName()));
@@ -56,7 +56,7 @@ public class DDLBuilder {
 
     sb.append("--\n")
         .append("-- Name: 
").append(CatalogUtil.denormalizeIdentifier(desc.getName())).append("; Type: 
TABLE;")
-        .append(" Storage: ").append(desc.getMeta().getStoreType());
+        .append(" Storage: ").append(desc.getMeta().getDataFormat());
     sb.append("\n--\n");
     sb.append("CREATE TABLE 
").append(CatalogUtil.denormalizeIdentifier(desc.getName()));
     buildSchema(sb, desc.getSchema());
@@ -112,7 +112,7 @@ public class DDLBuilder {
   }
 
   private static void buildUsingClause(StringBuilder sb, TableMeta meta) {
-    sb.append(" USING " +  
CatalogUtil.getBackwardCompitablityStoreType(meta.getStoreType()));
+    sb.append(" USING " +  
CatalogUtil.getBackwardCompitableDataFormat(meta.getDataFormat()));
   }
 
   private static void buildWithClause(StringBuilder sb, TableMeta meta) {

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/TableDesc.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/TableDesc.java
 
b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/TableDesc.java
index ccf084e..3cdc00b 100644
--- 
a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/TableDesc.java
+++ 
b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/TableDesc.java
@@ -64,9 +64,9 @@ public class TableDesc implements 
ProtoObject<TableDescProto>, GsonObject, Clone
                this(tableName, schema, meta, path, true);
        }
        
-       public TableDesc(String tableName, @Nullable Schema schema, String 
storeType, KeyValueSet options,
+       public TableDesc(String tableName, @Nullable Schema schema, String 
dataFormat, KeyValueSet options,
                    @Nullable URI path) {
-         this(tableName, schema, new TableMeta(storeType, options), path);
+         this(tableName, schema, new TableMeta(dataFormat, options), path);
        }
        
        public TableDesc(TableDescProto proto) {

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/TableMeta.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/TableMeta.java
 
b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/TableMeta.java
index 6838fe0..cfbbf75 100644
--- 
a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/TableMeta.java
+++ 
b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/TableMeta.java
@@ -35,21 +35,21 @@ import java.util.Map;
  * It contains all information for scanning a fragmented table
  */
 public class TableMeta implements ProtoObject<CatalogProtos.TableProto>, 
GsonObject, Cloneable {
-       @Expose protected String storeType;
+       @Expose protected String dataFormat;
        @Expose protected KeyValueSet options;
        
-       public TableMeta(String storeType, KeyValueSet options) {
-    this.storeType = storeType;
+       public TableMeta(String dataFormat, KeyValueSet options) {
+    this.dataFormat = dataFormat;
     this.options = new KeyValueSet(options);
   }
        
        public TableMeta(TableProto proto) {
-    this.storeType = proto.getStoreType();
+    this.dataFormat = proto.getDataFormat();
     this.options = new KeyValueSet(proto.getParams());
        }
        
-       public String getStoreType() {
-               return this.storeType;          
+       public String getDataFormat() {
+               return this.dataFormat;
        }
        
   public void setOptions(KeyValueSet options) {
@@ -84,7 +84,7 @@ public class TableMeta implements 
ProtoObject<CatalogProtos.TableProto>, GsonObj
                if(object instanceof TableMeta) {
                        TableMeta other = (TableMeta) object;
 
-                       boolean eq = 
this.getStoreType().equals(other.getStoreType());
+                       boolean eq = 
this.getDataFormat().equals(other.getDataFormat());
                        eq = eq && this.getOptions().equals(other.getOptions());
                        return eq;
                }
@@ -93,13 +93,13 @@ public class TableMeta implements 
ProtoObject<CatalogProtos.TableProto>, GsonObj
        }
        
        public int hashCode() {
-         return Objects.hashCode(getStoreType(), getOptions());
+         return Objects.hashCode(getDataFormat(), getOptions());
        }
        
        @Override
        public Object clone() throws CloneNotSupportedException {
          TableMeta meta = (TableMeta) super.clone();
-    meta.storeType = getStoreType();
+    meta.dataFormat = getDataFormat();
     meta.options = (KeyValueSet) (toMap() != null ? options.clone() : null);
     return meta;
        }
@@ -115,7 +115,7 @@ public class TableMeta implements 
ProtoObject<CatalogProtos.TableProto>, GsonObj
        ////////////////////////////////////////////////////////////////////////
        public TableProto getProto() {
     TableProto.Builder builder = TableProto.newBuilder();
-    builder.setStoreType(storeType);
+    builder.setDataFormat(dataFormat);
     builder.setParams(options.getProto());
     return builder.build();
        }
@@ -127,7 +127,7 @@ public class TableMeta implements 
ProtoObject<CatalogProtos.TableProto>, GsonObj
        }
 
   public void mergeProtoToLocal() {
-    getStoreType();
+    getDataFormat();
     toMap();
   }
 }

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/json/TableMetaAdapter.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/json/TableMetaAdapter.java
 
b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/json/TableMetaAdapter.java
index 2d164f6..766a8a9 100644
--- 
a/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/json/TableMetaAdapter.java
+++ 
b/tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/json/TableMetaAdapter.java
@@ -23,7 +23,6 @@ import com.google.gson.*;
 import org.apache.tajo.json.CommonGsonHelper;
 import org.apache.tajo.util.KeyValueSet;
 import org.apache.tajo.catalog.TableMeta;
-import org.apache.tajo.catalog.proto.CatalogProtos;
 import org.apache.tajo.json.GsonSerDerAdapter;
 
 import java.lang.reflect.Type;
@@ -36,17 +35,17 @@ public class TableMetaAdapter implements 
GsonSerDerAdapter<TableMeta> {
     Preconditions.checkNotNull(json);
                JsonObject jsonObject = json.getAsJsonObject();
 
-    String storeType = CommonGsonHelper.getOrDie(jsonObject, 
"store").getAsString();
+    String dataFormat = CommonGsonHelper.getOrDie(jsonObject, 
"store").getAsString();
 
     KeyValueSet keyValueSet = 
context.deserialize(CommonGsonHelper.getOrDie(jsonObject, "options"), 
KeyValueSet.class);
-               return new TableMeta(storeType, keyValueSet);
+               return new TableMeta(dataFormat, keyValueSet);
        }
 
        @Override
        public JsonElement serialize(TableMeta src, Type typeOfSrc,
                        JsonSerializationContext context) {
                JsonObject jsonObj = new JsonObject();
-    jsonObj.addProperty("store", src.getStoreType());
+    jsonObj.addProperty("store", src.getDataFormat());
     jsonObj.add("options", context.serialize(src.getOptions(), 
KeyValueSet.class));
                return jsonObj;
        }

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-common/src/main/proto/CatalogProtos.proto
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-common/src/main/proto/CatalogProtos.proto 
b/tajo-catalog/tajo-catalog-common/src/main/proto/CatalogProtos.proto
index 08818b1..9a7b66a 100644
--- a/tajo-catalog/tajo-catalog-common/src/main/proto/CatalogProtos.proto
+++ b/tajo-catalog/tajo-catalog-common/src/main/proto/CatalogProtos.proto
@@ -25,7 +25,7 @@ option java_generate_equals_and_hash = true;
 import "DataTypes.proto";
 import "PrimitiveProtos.proto";
 
-enum StoreType {
+enum DataFormat {
   MEM = 0;
   TEXTFILE = 1;
   RAW = 2;
@@ -75,12 +75,12 @@ message SchemaProto {
 
 message FragmentProto {
   required string id = 1;
-  required string storeType = 2;
+  required string dataFormat = 2;
   required bytes contents = 3;
 }
 
 message TableProto {
-  required string storeType = 1;
+  required string dataFormat = 1;
   optional KeyValueSetProto params = 2;
 }
 
@@ -293,7 +293,7 @@ message TableDescriptorProto {
        required string name = 3;
        optional string tableType = 4;
        required string path = 5;
-       required string storeType = 6;
+       required string dataFormat = 6;
 }
 
 message AlterTablespaceProto {

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-common/src/test/java/org/apache/tajo/catalog/TestTableMeta.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-common/src/test/java/org/apache/tajo/catalog/TestTableMeta.java
 
b/tajo-catalog/tajo-catalog-common/src/test/java/org/apache/tajo/catalog/TestTableMeta.java
index 9087262..3f1d5c5 100644
--- 
a/tajo-catalog/tajo-catalog-common/src/test/java/org/apache/tajo/catalog/TestTableMeta.java
+++ 
b/tajo-catalog/tajo-catalog-common/src/test/java/org/apache/tajo/catalog/TestTableMeta.java
@@ -55,7 +55,7 @@ public class TestTableMeta {
     TableMeta meta1 = CatalogUtil.newTableMeta("TEXT");
     
     TableMeta meta2 = (TableMeta) meta1.clone();
-    assertEquals(meta1.getStoreType(), meta2.getStoreType());
+    assertEquals(meta1.getDataFormat(), meta2.getDataFormat());
     assertEquals(meta1, meta2);
   }
   
@@ -73,7 +73,7 @@ public class TestTableMeta {
   
   @Test
   public void testGetStorageType() {
-    assertEquals("TEXT", meta.getStoreType());
+    assertEquals("TEXT", meta.getDataFormat());
   }
   
   @Test
@@ -108,7 +108,7 @@ public class TestTableMeta {
                        optionBuilder.addKeyval(keyValueBuilder);
                }
                TableProto.Builder builder = TableProto.newBuilder();
-               builder.setStoreType(BuiltinStorages.TEXT);
+               builder.setDataFormat(BuiltinStorages.TEXT);
                builder.setParams(optionBuilder);
                TableMeta meta2 = new TableMeta(builder.build());
                assertTrue(meta1.equals(meta2));

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogStore.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogStore.java
 
b/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogStore.java
index 87cc93f..e377502 100644
--- 
a/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogStore.java
+++ 
b/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogStore.java
@@ -111,7 +111,7 @@ public class HiveCatalogStore extends CatalogConstants 
implements CatalogStore {
     org.apache.hadoop.hive.ql.metadata.Table table = null;
     HiveCatalogStoreClientPool.HiveCatalogStoreClient client = null;
     Path path = null;
-    String storeType = null;
+    String dataFormat = null;
     org.apache.tajo.catalog.Schema schema = null;
     KeyValueSet options = null;
     TableStats stats = null;
@@ -186,12 +186,12 @@ public class HiveCatalogStore extends CatalogConstants 
implements CatalogStore {
 
         // set file output format
         String fileOutputformat = 
properties.getProperty(hive_metastoreConstants.FILE_OUTPUT_FORMAT);
-        storeType = HiveCatalogUtil.getStoreType(fileOutputformat);
+        dataFormat = HiveCatalogUtil.getDataFormat(fileOutputformat);
 
-        if (storeType.equalsIgnoreCase("TEXT")) {
+        if (dataFormat.equalsIgnoreCase("TEXT")) {
           options.set(StorageConstants.TEXT_DELIMITER, 
StringEscapeUtils.escapeJava(fieldDelimiter));
           options.set(StorageConstants.TEXT_NULL, 
StringEscapeUtils.escapeJava(nullFormat));
-        } else if (storeType.equals("RCFILE")) {
+        } else if (dataFormat.equals("RCFILE")) {
           options.set(StorageConstants.RCFILE_NULL, 
StringEscapeUtils.escapeJava(nullFormat));
           String serde = 
properties.getProperty(serdeConstants.SERIALIZATION_LIB);
           if (LazyBinaryColumnarSerDe.class.getName().equals(serde)) {
@@ -199,7 +199,7 @@ public class HiveCatalogStore extends CatalogConstants 
implements CatalogStore {
           } else if (ColumnarSerDe.class.getName().equals(serde)) {
             options.set(StorageConstants.RCFILE_SERDE, 
StorageConstants.DEFAULT_TEXT_SERDE);
           }
-        } else if (storeType.equals("SEQUENCEFILE")) {
+        } else if (dataFormat.equals("SEQUENCEFILE")) {
           options.set(StorageConstants.SEQUENCEFILE_DELIMITER, 
StringEscapeUtils.escapeJava(fieldDelimiter));
           options.set(StorageConstants.SEQUENCEFILE_NULL, 
StringEscapeUtils.escapeJava(nullFormat));
           String serde = 
properties.getProperty(serdeConstants.SERIALIZATION_LIB);
@@ -258,7 +258,7 @@ public class HiveCatalogStore extends CatalogConstants 
implements CatalogStore {
     } finally {
       if(client != null) client.release();
     }
-    TableMeta meta = new TableMeta(storeType, options);
+    TableMeta meta = new TableMeta(dataFormat, options);
     TableDesc tableDesc = new TableDesc(databaseName + "." + tableName, 
schema, meta, path.toUri());
     if (table.getTableType().equals(TableType.EXTERNAL_TABLE)) {
       tableDesc.setExternal(true);
@@ -479,7 +479,7 @@ public class HiveCatalogStore extends CatalogConstants 
implements CatalogStore {
         table.setPartitionKeys(partitionKeys);
       }
 
-      if 
(tableDesc.getMeta().getStoreType().equalsIgnoreCase(BuiltinStorages.RCFILE)) {
+      if 
(tableDesc.getMeta().getDataFormat().equalsIgnoreCase(BuiltinStorages.RCFILE)) {
         String serde = 
tableDesc.getMeta().getOption(StorageConstants.RCFILE_SERDE);
         
sd.setInputFormat(org.apache.hadoop.hive.ql.io.RCFileInputFormat.class.getName());
         
sd.setOutputFormat(org.apache.hadoop.hive.ql.io.RCFileOutputFormat.class.getName());
@@ -494,7 +494,7 @@ public class HiveCatalogStore extends CatalogConstants 
implements CatalogStore {
           table.putToParameters(serdeConstants.SERIALIZATION_NULL_FORMAT,
               
StringEscapeUtils.unescapeJava(tableDesc.getMeta().getOption(StorageConstants.RCFILE_NULL)));
         }
-      } else if 
(tableDesc.getMeta().getStoreType().equals(BuiltinStorages.TEXT)) {
+      } else if 
(tableDesc.getMeta().getDataFormat().equals(BuiltinStorages.TEXT)) {
         
sd.getSerdeInfo().setSerializationLib(org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.class.getName());
         
sd.setInputFormat(org.apache.hadoop.mapred.TextInputFormat.class.getName());
         
sd.setOutputFormat(org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat.class.getName());
@@ -518,7 +518,7 @@ public class HiveCatalogStore extends CatalogConstants 
implements CatalogStore {
               
StringEscapeUtils.unescapeJava(tableDesc.getMeta().getOption(StorageConstants.TEXT_NULL)));
           table.getParameters().remove(StorageConstants.TEXT_NULL);
         }
-      } else if 
(tableDesc.getMeta().getStoreType().equalsIgnoreCase(BuiltinStorages.SEQUENCE_FILE))
 {
+      } else if 
(tableDesc.getMeta().getDataFormat().equalsIgnoreCase(BuiltinStorages.SEQUENCE_FILE))
 {
         String serde = 
tableDesc.getMeta().getOption(StorageConstants.SEQUENCEFILE_SERDE);
         
sd.setInputFormat(org.apache.hadoop.mapred.SequenceFileInputFormat.class.getName());
         
sd.setOutputFormat(org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat.class.getName());
@@ -549,12 +549,12 @@ public class HiveCatalogStore extends CatalogConstants 
implements CatalogStore {
           table.getParameters().remove(StorageConstants.SEQUENCEFILE_NULL);
         }
       } else {
-        if 
(tableDesc.getMeta().getStoreType().equalsIgnoreCase(BuiltinStorages.PARQUET)) {
+        if 
(tableDesc.getMeta().getDataFormat().equalsIgnoreCase(BuiltinStorages.PARQUET)) 
{
           
sd.setInputFormat(parquet.hive.DeprecatedParquetInputFormat.class.getName());
           
sd.setOutputFormat(parquet.hive.DeprecatedParquetOutputFormat.class.getName());
           
sd.getSerdeInfo().setSerializationLib(parquet.hive.serde.ParquetHiveSerDe.class.getName());
         } else {
-          throw new UnsupportedException(tableDesc.getMeta().getStoreType() + 
" in HivecatalogStore");
+          throw new UnsupportedException(tableDesc.getMeta().getDataFormat() + 
" in HivecatalogStore");
         }
       }
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogUtil.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogUtil.java
 
b/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogUtil.java
index 67a1488..9e1da2b 100644
--- 
a/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogUtil.java
+++ 
b/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogUtil.java
@@ -32,8 +32,6 @@ import org.apache.tajo.exception.*;
 import org.apache.thrift.TException;
 import parquet.hadoop.mapred.DeprecatedParquetOutputFormat;
 
-import static org.apache.tajo.exception.ExceptionUtil.makeNotSupported;
-
 public class HiveCatalogUtil {
   public static void validateSchema(Table tblSchema) {
     for (FieldSchema fieldSchema : tblSchema.getCols()) {
@@ -101,7 +99,7 @@ public class HiveCatalogUtil {
     }
   }
 
-  public static String getStoreType(String fileFormat) {
+  public static String getDataFormat(String fileFormat) {
     Preconditions.checkNotNull(fileFormat);
 
     String[] fileFormatArrary = fileFormat.split("\\.");
@@ -113,11 +111,11 @@ public class HiveCatalogUtil {
     
if(outputFormatClass.equals(HiveIgnoreKeyTextOutputFormat.class.getSimpleName()))
 {
       return BuiltinStorages.TEXT;
     } else 
if(outputFormatClass.equals(HiveSequenceFileOutputFormat.class.getSimpleName()))
 {
-      return CatalogProtos.StoreType.SEQUENCEFILE.name();
+      return CatalogProtos.DataFormat.SEQUENCEFILE.name();
     } else 
if(outputFormatClass.equals(RCFileOutputFormat.class.getSimpleName())) {
-      return CatalogProtos.StoreType.RCFILE.name();
+      return CatalogProtos.DataFormat.RCFILE.name();
     } else 
if(outputFormatClass.equals(DeprecatedParquetOutputFormat.class.getSimpleName()))
 {
-      return CatalogProtos.StoreType.PARQUET.name();
+      return CatalogProtos.DataFormat.PARQUET.name();
     } else {
       throw new TajoRuntimeException(new 
UnknownDataFormatException(fileFormat));
     }

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/AbstractTableDescriptor.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/AbstractTableDescriptor.java
 
b/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/AbstractTableDescriptor.java
index f9b7c62..cb071aa 100644
--- 
a/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/AbstractTableDescriptor.java
+++ 
b/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/AbstractTableDescriptor.java
@@ -55,7 +55,7 @@ abstract class AbstractTableDescriptor implements 
TableDescriptor {
   
   protected TableProto getTableProto() {
     TableProto.Builder metaBuilder = TableProto.newBuilder();
-    metaBuilder.setStoreType("SYSTEM");
+    metaBuilder.setDataFormat("SYSTEM");
     metaBuilder.setParams(KeyValueSetProto.newBuilder().build());
     return metaBuilder.build();
   }

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/InfoSchemaMetadataDictionary.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/InfoSchemaMetadataDictionary.java
 
b/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/InfoSchemaMetadataDictionary.java
index 17f84d8..6a6ad78 100644
--- 
a/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/InfoSchemaMetadataDictionary.java
+++ 
b/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/InfoSchemaMetadataDictionary.java
@@ -24,7 +24,7 @@ import java.util.List;
 
 import org.apache.tajo.exception.UndefinedTableException;
 import org.apache.tajo.catalog.proto.CatalogProtos;
-import org.apache.tajo.catalog.proto.CatalogProtos.StoreType;
+import org.apache.tajo.catalog.proto.CatalogProtos.DataFormat;
 import org.apache.tajo.util.TUtil;
 
 public class InfoSchemaMetadataDictionary {
@@ -131,6 +131,6 @@ public class InfoSchemaMetadataDictionary {
   }
   
   protected String getTablePath() {
-    return StoreType.SYSTEM.name().toUpperCase();
+    return DataFormat.SYSTEM.name().toUpperCase();
   }
 }

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/TablesTableDescriptor.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/TablesTableDescriptor.java
 
b/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/TablesTableDescriptor.java
index 7485248..5522e00 100644
--- 
a/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/TablesTableDescriptor.java
+++ 
b/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/dictionary/TablesTableDescriptor.java
@@ -29,7 +29,7 @@ class TablesTableDescriptor extends AbstractTableDescriptor {
       new ColumnDescriptor("table_name", Type.TEXT, 0),
       new ColumnDescriptor("table_type", Type.TEXT, 0),
       new ColumnDescriptor("path", Type.TEXT, 0),
-      new ColumnDescriptor("store_type", Type.TEXT, 0)
+      new ColumnDescriptor("data_format", Type.TEXT, 0)
   };
 
   public TablesTableDescriptor(InfoSchemaMetadataDictionary 
metadataDictionary) {

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/store/AbstractDBStore.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/store/AbstractDBStore.java
 
b/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/store/AbstractDBStore.java
index 19bb678..f9b04ef 100644
--- 
a/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/store/AbstractDBStore.java
+++ 
b/tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/store/AbstractDBStore.java
@@ -38,7 +38,6 @@ import org.apache.tajo.exception.*;
 import org.apache.tajo.util.JavaResourceUtil;
 import org.apache.tajo.plan.expr.*;
 import org.apache.tajo.plan.util.PartitionFilterAlgebraVisitor;
-import org.apache.tajo.util.FileUtil;
 import org.apache.tajo.util.Pair;
 import org.apache.tajo.util.TUtil;
 
@@ -839,7 +838,7 @@ public abstract class AbstractDBStore extends 
CatalogConstants implements Catalo
       conn.setAutoCommit(false);
 
       String sql = "INSERT INTO TABLES (DB_ID, " + COL_TABLES_NAME +
-          ", TABLE_TYPE, PATH, STORE_TYPE, HAS_SELF_DESCRIBE_SCHEMA) VALUES(?, 
?, ?, ?, ?, ?) ";
+          ", TABLE_TYPE, PATH, DATA_FORMAT, HAS_SELF_DESCRIBE_SCHEMA) 
VALUES(?, ?, ?, ?, ?, ?) ";
 
       if (LOG.isDebugEnabled()) {
         LOG.debug(sql);
@@ -854,7 +853,7 @@ public abstract class AbstractDBStore extends 
CatalogConstants implements Catalo
         pstmt.setString(3, TableType.MANAGED.name());
       }
       pstmt.setString(4, table.getPath());
-      pstmt.setString(5, table.getMeta().getStoreType());
+      pstmt.setString(5, table.getMeta().getDataFormat());
       pstmt.setBoolean(6, table.getSchema() == null);
       pstmt.executeUpdate();
       pstmt.close();
@@ -1667,7 +1666,7 @@ public abstract class AbstractDBStore extends 
CatalogConstants implements Catalo
     ResultSet res = null;
     PreparedStatement pstmt = null;
     CatalogProtos.TableDescProto.Builder tableBuilder = null;
-    String storeType;
+    String dataFormat;
 
     Pair<Integer, String> databaseIdAndUri = getDatabaseIdAndUri(databaseName);
 
@@ -1678,7 +1677,7 @@ public abstract class AbstractDBStore extends 
CatalogConstants implements Catalo
       // Geting Table Description
       //////////////////////////////////////////
       String sql =
-          "SELECT TID, " + COL_TABLES_NAME + ", TABLE_TYPE, PATH, STORE_TYPE, 
HAS_SELF_DESCRIBE_SCHEMA FROM TABLES " +
+          "SELECT TID, " + COL_TABLES_NAME + ", TABLE_TYPE, PATH, DATA_FORMAT, 
HAS_SELF_DESCRIBE_SCHEMA FROM TABLES " +
               "WHERE DB_ID = ? AND " + COL_TABLES_NAME + "=?";
 
       if (LOG.isDebugEnabled()) {
@@ -1703,7 +1702,7 @@ public abstract class AbstractDBStore extends 
CatalogConstants implements Catalo
       }
 
       tableBuilder.setPath(res.getString(4).trim());
-      storeType = res.getString(5).trim();
+      dataFormat = res.getString(5).trim();
       boolean hasSelfDescSchema = res.getBoolean(6);
 
       res.close();
@@ -1741,7 +1740,7 @@ public abstract class AbstractDBStore extends 
CatalogConstants implements Catalo
       //////////////////////////////////////////
       CatalogProtos.TableProto.Builder metaBuilder = 
CatalogProtos.TableProto.newBuilder();
 
-      metaBuilder.setStoreType(storeType);
+      metaBuilder.setDataFormat(dataFormat);
       sql = "SELECT key_, value_ FROM " + TB_OPTIONS + " WHERE " + 
COL_TABLES_PK + " = ?";
 
       if (LOG.isDebugEnabled()) {
@@ -1855,7 +1854,7 @@ public abstract class AbstractDBStore extends 
CatalogConstants implements Catalo
     List<TableDescriptorProto> tables = new ArrayList<TableDescriptorProto>();
 
     try {
-      String sql = "SELECT t.TID, t.DB_ID, t." + COL_TABLES_NAME + ", 
t.TABLE_TYPE, t.PATH, t.STORE_TYPE, " +
+      String sql = "SELECT t.TID, t.DB_ID, t." + COL_TABLES_NAME + ", 
t.TABLE_TYPE, t.PATH, t.DATA_FORMAT, " +
           " s.SPACE_URI FROM " + TB_TABLES + " t, " + TB_DATABASES + " d, " + 
TB_SPACES +
           " s WHERE t.DB_ID = d.DB_ID AND d.SPACE_ID = s.SPACE_ID";
 
@@ -1878,10 +1877,10 @@ public abstract class AbstractDBStore extends 
CatalogConstants implements Catalo
         } else {
           builder.setPath(resultSet.getString("PATH"));
         }
-        String storeType = resultSet.getString("STORE_TYPE");
-        if (storeType != null) {
-          storeType = storeType.trim();
-          builder.setStoreType(storeType);
+        String dataFormat = resultSet.getString("DATA_FORMAT");
+        if (dataFormat != null) {
+          dataFormat = dataFormat.trim();
+          builder.setDataFormat(dataFormat);
         }
         
         tables.add(builder.build());

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/derby/derby.xml
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/derby/derby.xml 
b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/derby/derby.xml
index 921d98e..ff0b20b 100644
--- 
a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/derby/derby.xml
+++ 
b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/derby/derby.xml
@@ -19,6 +19,7 @@
 <tns:store xmlns:tns="http://tajo.apache.org/catalogstore"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:schemaLocation="http://tajo.apache.org/catalogstore 
../DBMSSchemaDefinition.xsd ">
   <!--
       Catalog base version history
+      * 12 - 2015-09-28: Change the variable name storeType to dataFormat 
(TAJO-1663)
       * 11 - 2015-09-23: Add contents length and file count for partition 
directory (TAJO-1493)
       * 10 - 2015-09-22: Well support for self-describing data formats 
(TAJO-1832)
       * 9 - 2015-09-12: Allow external catalog store for unit testing 
(TAJO-1813)
@@ -31,7 +32,7 @@
       * 2 - 2014-06-09: First versioning
       * 1-  Before 2013-03-20
     -->
-       <tns:base version="11">
+       <tns:base version="12">
                <tns:objects>
                        <tns:Object order="0" type="table" name="META">
                                <tns:sql><![CDATA[CREATE TABLE META (VERSION 
INT NOT NULL)]]></tns:sql>
@@ -68,7 +69,7 @@
                                TABLE_NAME VARCHAR(128) NOT NULL,
                                TABLE_TYPE VARCHAR(128) NOT NULL,
                                PATH VARCHAR(4096),
-                               STORE_TYPE CHAR(16),
+                               DATA_FORMAT CHAR(16),
                                HAS_SELF_DESCRIBE_SCHEMA BOOLEAN,
                                CONSTRAINT TABLES_PK PRIMARY KEY (TID),
                                CONSTRAINT C_TABLE_ID_UNIQ UNIQUE (DB_ID, 
TABLE_NAME)

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mariadb/mariadb.xml
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mariadb/mariadb.xml
 
b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mariadb/mariadb.xml
index a23d393..dbf82b6 100644
--- 
a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mariadb/mariadb.xml
+++ 
b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mariadb/mariadb.xml
@@ -19,6 +19,7 @@
 <tns:store xmlns:tns="http://tajo.apache.org/catalogstore"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:schemaLocation="http://tajo.apache.org/catalogstore 
../DBMSSchemaDefinition.xsd ">
   <!--
       Catalog base version history
+      * 12 - 2015-09-28: Change the variable name storeType to dataFormat 
(TAJO-1663)
       * 11 - 2015-09-23: Add contents length and file count for partition 
directory (TAJO-1493)
       * 10 - 2015-09-22: Well support for self-describing data formats 
(TAJO-1832)
       * 9 - 2015-09-12: Allow external catalog store for unit testing 
(TAJO-1813)
@@ -31,7 +32,7 @@
       * 2 - 2014-06-09: First versioning
       * 1-  Before 2013-03-20
     -->
-  <tns:base version="11">
+  <tns:base version="12">
     <tns:objects>
       <tns:Object order="0" type="table" name="META">
         <tns:sql><![CDATA[CREATE TABLE META (VERSION INT NOT NULL)]]></tns:sql>
@@ -66,7 +67,7 @@
           TABLE_NAME VARCHAR(128) BINARY NOT NULL,
           TABLE_TYPE VARCHAR(128) NOT NULL,
           PATH VARCHAR(4096) BINARY,
-          STORE_TYPE CHAR(16),
+          DATA_FORMAT CHAR(16),
           HAS_SELF_DESCRIBE_SCHEMA BOOLEAN,
           FOREIGN KEY (DB_ID) REFERENCES DATABASES_ (DB_ID),
           INDEX IDX_DB_ID (DB_ID),

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mysql/mysql.xml
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mysql/mysql.xml 
b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mysql/mysql.xml
index 126a5e4..59ceae4 100644
--- 
a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mysql/mysql.xml
+++ 
b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mysql/mysql.xml
@@ -19,6 +19,7 @@
 <tns:store xmlns:tns="http://tajo.apache.org/catalogstore"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:schemaLocation="http://tajo.apache.org/catalogstore 
../DBMSSchemaDefinition.xsd ">
   <!--
     Catalog base version history
+    * 12 - 2015-09-28: Change the variable name storeType to dataFormat 
(TAJO-1663)
     * 11 - 2015-09-23: Add contents length and file count for partition 
directory (TAJO-1493)
     * 10 - 2015-09-22: Well support for self-describing data formats 
(TAJO-1832)
     * 9 - 2015-09-12: Allow external catalog store for unit testing (TAJO-1813)
@@ -31,7 +32,7 @@
     * 2 - 2014-06-09: First versioning
     * 1-  Before 2013-03-20
   -->
-  <tns:base version="11">
+  <tns:base version="12">
     <tns:objects>
       <tns:Object order="0" type="table" name="META">
         <tns:sql><![CDATA[CREATE TABLE META (VERSION INT NOT NULL)]]></tns:sql>
@@ -66,7 +67,7 @@
           TABLE_NAME VARCHAR(128) BINARY NOT NULL,
           TABLE_TYPE VARCHAR(128) NOT NULL,
           PATH VARCHAR(4096) BINARY,
-          STORE_TYPE CHAR(16),
+          DATA_FORMAT CHAR(16),
           HAS_SELF_DESCRIBE_SCHEMA BOOLEAN,
           FOREIGN KEY (DB_ID) REFERENCES DATABASES_ (DB_ID),
           INDEX IDX_DB_ID (DB_ID),

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/oracle/oracle.xml
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/oracle/oracle.xml 
b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/oracle/oracle.xml
index b5396ef..b61778a 100644
--- 
a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/oracle/oracle.xml
+++ 
b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/oracle/oracle.xml
@@ -19,6 +19,7 @@
 <tns:store xmlns:tns="http://tajo.apache.org/catalogstore"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:schemaLocation="http://tajo.apache.org/catalogstore 
../DBMSSchemaDefinition.xsd ">
   <!--
       Catalog base version history
+      * 12 - 2015-09-28: Change the variable name storeType to dataFormat 
(TAJO-1663)
       * 11 - 2015-09-23: Add contents length and file count for partition 
directory (TAJO-1493)
       * 10 - 2015-09-22: Well support for self-describing data formats 
(TAJO-1832)
       * 9 - 2015-09-12: Allow external catalog store for unit testing 
(TAJO-1813)
@@ -31,7 +32,7 @@
       * 2 - 2014-06-09: First versioning
       * 1-  Before 2013-03-20
     -->
-  <tns:base version="11">
+  <tns:base version="12">
     <tns:objects>
                <tns:Object order="0" type="table" name="meta">
                        <tns:sql><![CDATA[
@@ -98,7 +99,7 @@
                                        TABLE_TYPE VARCHAR2(128) NOT NULL,
                                        PATH VARCHAR2(4000),
                                        HAS_SELF_DESCRIBE_SCHEMA CHAR NOT NULL,
-                                       STORE_TYPE CHAR(16),
+                                       DATA_FORMAT CHAR(16),
                                        FOREIGN KEY (DB_ID) REFERENCES 
DATABASES_ (DB_ID),
                                        CONSTRAINT C_TABLE_ID_UNIQ UNIQUE 
(DB_ID, TABLE_NAME)
                                )]]>

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/postgresql/postgresql.xml
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/postgresql/postgresql.xml
 
b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/postgresql/postgresql.xml
index 033c233..90449c1 100644
--- 
a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/postgresql/postgresql.xml
+++ 
b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/postgresql/postgresql.xml
@@ -21,6 +21,7 @@ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
 xsi:schemaLocation="http://tajo.apache.org/catalogstore 
../DBMSSchemaDefinition.xsd ">
   <!--
       Catalog base version history
+      * 12 - 2015-09-28: Change the variable name storeType to dataFormat 
(TAJO-1663)
       * 11 - 2015-09-23: Add contents length and file count for partition 
directory (TAJO-1493)
       * 10 - 2015-09-22: Well support for self-describing data formats 
(TAJO-1832)
       * 9 - 2015-09-12: Allow external catalog store for unit testing 
(TAJO-1813)
@@ -34,7 +35,7 @@ xsi:schemaLocation="http://tajo.apache.org/catalogstore 
../DBMSSchemaDefinition.
       * 2 - 2014-06-09: First versioning
       * 1-  Before 2013-03-20
     -->
-       <tns:base version="11">
+       <tns:base version="12">
                <tns:objects>
                        <tns:Object name="META" type="table" order="0">
                                <tns:sql><![CDATA[CREATE TABLE META (VERSION 
INT NOT NULL)]]></tns:sql>
@@ -75,7 +76,7 @@ xsi:schemaLocation="http://tajo.apache.org/catalogstore 
../DBMSSchemaDefinition.
                                TABLE_TYPE VARCHAR(128) NOT NULL,
                                PATH VARCHAR(4096),
                                HAS_SELF_DESCRIBE_SCHEMA BOOLEAN,
-                               STORE_TYPE CHAR(16),
+                               DATA_FORMAT CHAR(16),
                                FOREIGN KEY (DB_ID) REFERENCES DATABASES_ 
(DB_ID),
                                UNIQUE (DB_ID, TABLE_NAME)
                                )]]>

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-server/src/test/java/org/apache/tajo/catalog/TestCatalogAgainstCaseSensitivity.java
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-server/src/test/java/org/apache/tajo/catalog/TestCatalogAgainstCaseSensitivity.java
 
b/tajo-catalog/tajo-catalog-server/src/test/java/org/apache/tajo/catalog/TestCatalogAgainstCaseSensitivity.java
index 0ca6baa..794ae4a 100644
--- 
a/tajo-catalog/tajo-catalog-server/src/test/java/org/apache/tajo/catalog/TestCatalogAgainstCaseSensitivity.java
+++ 
b/tajo-catalog/tajo-catalog-server/src/test/java/org/apache/tajo/catalog/TestCatalogAgainstCaseSensitivity.java
@@ -115,7 +115,7 @@ public class TestCatalogAgainstCaseSensitivity {
       assertTrue(tableDescs.containsKey(qualifiedTableName));
       TableDesc desc = tableDescs.get(qualifiedTableName);
       assertEquals(desc.getUri().toString(), eachTableDescriptor.getPath());
-      assertEquals(desc.getMeta().getStoreType(), 
eachTableDescriptor.getStoreType());
+      assertEquals(desc.getMeta().getDataFormat(), 
eachTableDescriptor.getDataFormat());
     }
 
     
//////////////////////////////////////////////////////////////////////////////

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-catalog/tajo-catalog-server/src/test/resources/schemas/derbytest/loadtest/derby.xml
----------------------------------------------------------------------
diff --git 
a/tajo-catalog/tajo-catalog-server/src/test/resources/schemas/derbytest/loadtest/derby.xml
 
b/tajo-catalog/tajo-catalog-server/src/test/resources/schemas/derbytest/loadtest/derby.xml
index 86fd5e8..f7a2e14 100644
--- 
a/tajo-catalog/tajo-catalog-server/src/test/resources/schemas/derbytest/loadtest/derby.xml
+++ 
b/tajo-catalog/tajo-catalog-server/src/test/resources/schemas/derbytest/loadtest/derby.xml
@@ -54,7 +54,7 @@
                                TABLE_NAME VARCHAR(128) NOT NULL,
                                TABLE_TYPE VARCHAR(128) NOT NULL,
                                PATH VARCHAR(4096),
-                               STORE_TYPE CHAR(16),
+                               DATA_FORMAT CHAR(16),
                                CONSTRAINT TABLES_PK PRIMARY KEY (TID),
                                CONSTRAINT C_TABLE_ID_UNIQ UNIQUE (DB_ID, 
TABLE_NAME)
                                )]]>

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-cli/src/main/java/org/apache/tajo/cli/tools/TajoDump.java
----------------------------------------------------------------------
diff --git a/tajo-cli/src/main/java/org/apache/tajo/cli/tools/TajoDump.java 
b/tajo-cli/src/main/java/org/apache/tajo/cli/tools/TajoDump.java
index 99288e8..e28e7f1 100644
--- a/tajo-cli/src/main/java/org/apache/tajo/cli/tools/TajoDump.java
+++ b/tajo-cli/src/main/java/org/apache/tajo/cli/tools/TajoDump.java
@@ -22,7 +22,6 @@ import com.google.protobuf.ServiceException;
 import org.apache.commons.cli.*;
 import org.apache.tajo.auth.UserRoleInfo;
 import org.apache.tajo.catalog.*;
-import org.apache.tajo.catalog.partition.PartitionDesc;
 import org.apache.tajo.catalog.proto.CatalogProtos;
 import org.apache.tajo.catalog.proto.CatalogProtos.PartitionDescProto;
 import org.apache.tajo.client.TajoClient;
@@ -178,7 +177,7 @@ public class TajoDump {
         String fqName = CatalogUtil.buildFQName(databaseName, tableName);
         TableDesc table = client.getTableDesc(fqName);
 
-        if (table.getMeta().getStoreType().equalsIgnoreCase("SYSTEM")) {
+        if (table.getMeta().getDataFormat().equalsIgnoreCase("SYSTEM")) {
           continue;
         }
         

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-cli/src/main/java/org/apache/tajo/cli/tsql/commands/DescTableCommand.java
----------------------------------------------------------------------
diff --git 
a/tajo-cli/src/main/java/org/apache/tajo/cli/tsql/commands/DescTableCommand.java
 
b/tajo-cli/src/main/java/org/apache/tajo/cli/tsql/commands/DescTableCommand.java
index b17a336..55553aa 100644
--- 
a/tajo-cli/src/main/java/org/apache/tajo/cli/tsql/commands/DescTableCommand.java
+++ 
b/tajo-cli/src/main/java/org/apache/tajo/cli/tsql/commands/DescTableCommand.java
@@ -99,7 +99,7 @@ public class DescTableCommand extends TajoShellCommand {
     StringBuilder sb = new StringBuilder();
     sb.append("\ntable name: ").append(desc.getName()).append("\n");
     sb.append("table uri: ").append(desc.getUri()).append("\n");
-    sb.append("store type: 
").append(desc.getMeta().getStoreType()).append("\n");
+    sb.append("store type: 
").append(desc.getMeta().getDataFormat()).append("\n");
     if (desc.getStats() != null) {
 
       long row = desc.getStats().getNumRows();

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core-tests/src/test/java/org/apache/tajo/engine/planner/TestQueryValidation.java
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/java/org/apache/tajo/engine/planner/TestQueryValidation.java
 
b/tajo-core-tests/src/test/java/org/apache/tajo/engine/planner/TestQueryValidation.java
index cb299b4..0ef1150 100644
--- 
a/tajo-core-tests/src/test/java/org/apache/tajo/engine/planner/TestQueryValidation.java
+++ 
b/tajo-core-tests/src/test/java/org/apache/tajo/engine/planner/TestQueryValidation.java
@@ -63,7 +63,7 @@ public class TestQueryValidation extends QueryTestCaseBase {
   }
 
   @Test
-  public void testUnsupportedStoreType() throws IOException {
+  public void testUnsupportedDataFormat() throws IOException {
     // See TAJO-1249
     assertInvalidSQLFromFile("invalid_store_format.sql");
   }

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core-tests/src/test/java/org/apache/tajo/engine/planner/physical/TestPhysicalPlanner.java
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/java/org/apache/tajo/engine/planner/physical/TestPhysicalPlanner.java
 
b/tajo-core-tests/src/test/java/org/apache/tajo/engine/planner/physical/TestPhysicalPlanner.java
index 0b94c52..ae28912 100644
--- 
a/tajo-core-tests/src/test/java/org/apache/tajo/engine/planner/physical/TestPhysicalPlanner.java
+++ 
b/tajo-core-tests/src/test/java/org/apache/tajo/engine/planner/physical/TestPhysicalPlanner.java
@@ -645,7 +645,7 @@ public class TestPhysicalPlanner {
     ctx.setDataChannel(dataChannel);
     LogicalNode rootNode = optimizer.optimize(plan);
 
-    TableMeta outputMeta = 
CatalogUtil.newTableMeta(dataChannel.getStoreType());
+    TableMeta outputMeta = 
CatalogUtil.newTableMeta(dataChannel.getDataFormat());
 
     FileSystem fs = sm.getFileSystem();
     QueryId queryId = id.getTaskId().getExecutionBlockId().getQueryId();
@@ -779,7 +779,7 @@ public class TestPhysicalPlanner {
     ctx.setDataChannel(dataChannel);
     optimizer.optimize(plan);
 
-    TableMeta outputMeta = 
CatalogUtil.newTableMeta(dataChannel.getStoreType());
+    TableMeta outputMeta = 
CatalogUtil.newTableMeta(dataChannel.getDataFormat());
 
     FileSystem fs = sm.getFileSystem();
     QueryId queryId = id.getTaskId().getExecutionBlockId().getQueryId();

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core-tests/src/test/java/org/apache/tajo/engine/query/TestCTASQuery.java
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/java/org/apache/tajo/engine/query/TestCTASQuery.java 
b/tajo-core-tests/src/test/java/org/apache/tajo/engine/query/TestCTASQuery.java
index f327c85..667d193 100644
--- 
a/tajo-core-tests/src/test/java/org/apache/tajo/engine/query/TestCTASQuery.java
+++ 
b/tajo-core-tests/src/test/java/org/apache/tajo/engine/query/TestCTASQuery.java
@@ -210,8 +210,8 @@ public class TestCTASQuery extends QueryTestCaseBase {
   }
 
   @Test
-  public final void testCtasWithStoreType() throws Exception {
-    ResultSet res = executeFile("CtasWithStoreType.sql");
+  public final void testCtasWithDataFormat() throws Exception {
+    ResultSet res = executeFile("CtasWithDataFormat.sql");
     res.close();
 
     ResultSet res2 = executeQuery();
@@ -220,7 +220,7 @@ public class TestCTASQuery extends QueryTestCaseBase {
 
     TableDesc desc =  
client.getTableDesc(CatalogUtil.normalizeIdentifier(res2.getMetaData().getTableName(1)));
     assertNotNull(desc);
-    assertTrue("RCFILE".equalsIgnoreCase(desc.getMeta().getStoreType()));
+    assertTrue("RCFILE".equalsIgnoreCase(desc.getMeta().getDataFormat()));
   }
 
   @Test
@@ -234,7 +234,7 @@ public class TestCTASQuery extends QueryTestCaseBase {
 
     TableDesc desc =  
client.getTableDesc(CatalogUtil.normalizeIdentifier(res2.getMetaData().getTableName(1)));
     assertNotNull(desc);
-    assertTrue("TEXT".equalsIgnoreCase(desc.getMeta().getStoreType()));
+    assertTrue("TEXT".equalsIgnoreCase(desc.getMeta().getDataFormat()));
   }
 
   @Test
@@ -248,7 +248,7 @@ public class TestCTASQuery extends QueryTestCaseBase {
 
     TableDesc desc =  
client.getTableDesc(CatalogUtil.normalizeIdentifier(res2.getMetaData().getTableName(1)));
     assertNotNull(desc);
-    assertTrue("TEXT".equalsIgnoreCase(desc.getMeta().getStoreType()));
+    assertTrue("TEXT".equalsIgnoreCase(desc.getMeta().getDataFormat()));
 
 
     KeyValueSet options = desc.getMeta().getOptions();

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core-tests/src/test/java/org/apache/tajo/engine/query/TestCreateTable.java
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/java/org/apache/tajo/engine/query/TestCreateTable.java
 
b/tajo-core-tests/src/test/java/org/apache/tajo/engine/query/TestCreateTable.java
index f2f54ba..3450b03 100644
--- 
a/tajo-core-tests/src/test/java/org/apache/tajo/engine/query/TestCreateTable.java
+++ 
b/tajo-core-tests/src/test/java/org/apache/tajo/engine/query/TestCreateTable.java
@@ -20,7 +20,6 @@ package org.apache.tajo.engine.query;
 
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.tajo.IntegrationTest;
 import org.apache.tajo.QueryTestCaseBase;
 import org.apache.tajo.catalog.*;
 import org.apache.tajo.catalog.partition.PartitionMethodDesc;
@@ -28,7 +27,6 @@ import org.apache.tajo.conf.TajoConf;
 import org.apache.tajo.storage.StorageUtil;
 import org.apache.tajo.util.KeyValueSet;
 import org.junit.Test;
-import org.junit.experimental.categories.Category;
 
 import java.sql.ResultSet;
 import java.util.List;
@@ -434,7 +432,7 @@ public class TestCreateTable extends QueryTestCaseBase {
     if(origTableDesc.getMeta() != null) {
       TableMeta origMeta = origTableDesc.getMeta();
       TableMeta newMeta = newTableDesc.getMeta();
-      if(origMeta.getStoreType().equals(newMeta.getStoreType()) == false) {
+      if(origMeta.getDataFormat().equals(newMeta.getDataFormat()) == false) {
         fail("Store type of input tables not equal");
         return false;
       }

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core-tests/src/test/resources/queries/TestCTASQuery/CtasWithDataFormat.sql
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/queries/TestCTASQuery/CtasWithDataFormat.sql
 
b/tajo-core-tests/src/test/resources/queries/TestCTASQuery/CtasWithDataFormat.sql
new file mode 100644
index 0000000..c09305e
--- /dev/null
+++ 
b/tajo-core-tests/src/test/resources/queries/TestCTASQuery/CtasWithDataFormat.sql
@@ -0,0 +1,12 @@
+create table testCtasWithDataFormat (col1 float, col2 float) using rcfile as
+select
+  sum(l_orderkey) as total1,
+  avg(l_partkey) as total2
+from
+  lineitem
+group by
+  l_quantity
+order by
+  l_quantity
+limit
+  3;
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core-tests/src/test/resources/queries/TestCTASQuery/CtasWithStoreType.sql
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/queries/TestCTASQuery/CtasWithStoreType.sql
 
b/tajo-core-tests/src/test/resources/queries/TestCTASQuery/CtasWithStoreType.sql
deleted file mode 100644
index bee1a89..0000000
--- 
a/tajo-core-tests/src/test/resources/queries/TestCTASQuery/CtasWithStoreType.sql
+++ /dev/null
@@ -1,12 +0,0 @@
-create table testCtasWithStoreType (col1 float, col2 float) using rcfile as
-select
-  sum(l_orderkey) as total1,
-  avg(l_partkey) as total2
-from
-  lineitem
-group by
-  l_quantity
-order by
-  l_quantity
-limit
-  3;
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core-tests/src/test/resources/queries/TestCTASQuery/testCtasWithDataFormat.sql
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/queries/TestCTASQuery/testCtasWithDataFormat.sql
 
b/tajo-core-tests/src/test/resources/queries/TestCTASQuery/testCtasWithDataFormat.sql
new file mode 100644
index 0000000..5c484f3
--- /dev/null
+++ 
b/tajo-core-tests/src/test/resources/queries/TestCTASQuery/testCtasWithDataFormat.sql
@@ -0,0 +1 @@
+select * from testCtasWithDataFormat;
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core-tests/src/test/resources/queries/TestCTASQuery/testCtasWithStoreType.sql
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/queries/TestCTASQuery/testCtasWithStoreType.sql
 
b/tajo-core-tests/src/test/resources/queries/TestCTASQuery/testCtasWithStoreType.sql
deleted file mode 100644
index 9e7e337..0000000
--- 
a/tajo-core-tests/src/test/resources/queries/TestCTASQuery/testCtasWithStoreType.sql
+++ /dev/null
@@ -1 +0,0 @@
-select * from testCtasWithStoreType;
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/engine/planner/PhysicalPlannerImpl.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/PhysicalPlannerImpl.java
 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/PhysicalPlannerImpl.java
index 461e405..f471e45 100644
--- 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/PhysicalPlannerImpl.java
+++ 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/PhysicalPlannerImpl.java
@@ -106,7 +106,7 @@ public class PhysicalPlannerImpl implements PhysicalPlanner 
{
                                            PhysicalExec execPlan) throws 
IOException {
     DataChannel channel = context.getDataChannel();
     ShuffleFileWriteNode shuffleFileWriteNode = 
LogicalPlan.createNodeWithoutPID(ShuffleFileWriteNode.class);
-    
shuffleFileWriteNode.setStorageType(context.getDataChannel().getStoreType());
+    
shuffleFileWriteNode.setDataFormat(context.getDataChannel().getDataFormat());
     shuffleFileWriteNode.setInSchema(plan.getOutSchema());
     shuffleFileWriteNode.setOutSchema(plan.getOutSchema());
     shuffleFileWriteNode.setShuffle(channel.getShuffleType(), 
channel.getShuffleKeys(), channel.getShuffleOutputNum());

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/DataChannel.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/DataChannel.java
 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/DataChannel.java
index 2d32785..c779d2f 100644
--- 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/DataChannel.java
+++ 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/DataChannel.java
@@ -40,7 +40,7 @@ public class DataChannel {
 
   private Schema schema;
 
-  private String storeType = BuiltinStorages.RAW;
+  private String dataFormat = BuiltinStorages.RAW;
 
   public DataChannel(ExecutionBlockId srcId, ExecutionBlockId targetId) {
     this.srcId = srcId;
@@ -82,8 +82,8 @@ public class DataChannel {
       this.numOutputs = proto.getNumOutputs();
     }
 
-    if (proto.hasStoreType()) {
-      this.storeType = proto.getStoreType();
+    if (proto.hasDataFormat()) {
+      this.dataFormat = proto.getDataFormat();
     }
   }
 
@@ -144,16 +144,16 @@ public class DataChannel {
     return numOutputs;
   }
 
-  public boolean hasStoreType() {
-    return this.storeType != null;
+  public boolean hasDataFormat() {
+    return this.dataFormat != null;
   }
 
-  public void setStoreType(String storeType) {
-    this.storeType = storeType;
+  public void setDataFormat(String dataFormat) {
+    this.dataFormat = dataFormat;
   }
 
-  public String getStoreType() {
-    return storeType;
+  public String getDataFormat() {
+    return dataFormat;
   }
 
   public DataChannelProto getProto() {
@@ -176,8 +176,8 @@ public class DataChannel {
       builder.setNumOutputs(numOutputs);
     }
 
-    if(storeType != null){
-      builder.setStoreType(storeType);
+    if(dataFormat != null){
+      builder.setDataFormat(dataFormat);
     }
     return builder.build();
   }

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/GlobalPlanner.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/GlobalPlanner.java
 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/GlobalPlanner.java
index 5049995..15354fc 100644
--- 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/GlobalPlanner.java
+++ 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/GlobalPlanner.java
@@ -68,8 +68,8 @@ public class GlobalPlanner {
   private static Log LOG = LogFactory.getLog(GlobalPlanner.class);
 
   private final TajoConf conf;
-  private final String storeType;
-  private final String finalOutputStoreType;
+  private final String dataFormat;
+  private final String finalOutputDataFormat;
   private final CatalogService catalog;
   private final GlobalPlanRewriteEngine rewriteEngine;
 
@@ -77,8 +77,8 @@ public class GlobalPlanner {
   public GlobalPlanner(final TajoConf conf, final CatalogService catalog) 
throws IOException {
     this.conf = conf;
     this.catalog = catalog;
-    this.storeType = conf.getVar(ConfVars.SHUFFLE_FILE_FORMAT).toUpperCase();
-    this.finalOutputStoreType = 
conf.getVar(ConfVars.QUERY_OUTPUT_DEFAULT_FILE_FORMAT).toUpperCase();
+    this.dataFormat = conf.getVar(ConfVars.SHUFFLE_FILE_FORMAT).toUpperCase();
+    this.finalOutputDataFormat = 
conf.getVar(ConfVars.QUERY_OUTPUT_DEFAULT_FILE_FORMAT).toUpperCase();
 
     Class<? extends GlobalPlanRewriteRuleProvider> clazz =
         (Class<? extends GlobalPlanRewriteRuleProvider>) 
conf.getClassVar(GLOBAL_PLAN_REWRITE_RULE_PROVIDER_CLASS);
@@ -99,8 +99,8 @@ public class GlobalPlanner {
     return catalog;
   }
 
-  public String getStoreType() {
-    return storeType;
+  public String getDataFormat() {
+    return dataFormat;
   }
 
   public static class GlobalPlanContext {
@@ -163,7 +163,7 @@ public class GlobalPlanner {
   private void setFinalOutputChannel(DataChannel outputChannel, Schema 
outputSchema) {
     outputChannel.setShuffleType(NONE_SHUFFLE);
     outputChannel.setShuffleOutputNum(1);
-    outputChannel.setStoreType(finalOutputStoreType);
+    outputChannel.setDataFormat(finalOutputDataFormat);
     outputChannel.setSchema(outputSchema);
   }
 
@@ -171,7 +171,7 @@ public class GlobalPlanner {
     Preconditions.checkArgument(channel.getSchema() != null,
         "Channel schema (" + channel.getSrcId().getId() + " -> " + 
channel.getTargetId().getId() +
             ") is not initialized");
-    TableMeta meta = new TableMeta(channel.getStoreType(), new KeyValueSet());
+    TableMeta meta = new TableMeta(channel.getDataFormat(), new KeyValueSet());
     TableDesc desc = new TableDesc(
         channel.getSrcId().toString(), channel.getSchema(), meta, 
StorageConstants.LOCAL_FS_URI);
     ScanNode scanNode = plan.createNode(ScanNode.class);
@@ -184,7 +184,7 @@ public class GlobalPlanner {
     ExecutionBlock childBlock = leftTable ? leftBlock : rightBlock;
 
     DataChannel channel = new DataChannel(childBlock, parent, HASH_SHUFFLE, 
32);
-    channel.setStoreType(storeType);
+    channel.setDataFormat(dataFormat);
     if (join.getJoinType() != JoinType.CROSS) {
       // ShuffleKeys need to not have thea-join condition because Tajo 
supports only equi-join.
       Column [][] joinColumns = 
PlannerUtil.joinJoinKeyForEachTable(join.getJoinQual(),
@@ -331,7 +331,7 @@ public class GlobalPlanner {
     // create other side channel
     if (otherSideBlock != null) {
       DataChannel otherSideChannel = new DataChannel(otherSideBlock, 
targetBlock, HASH_SHUFFLE, 32);
-      otherSideChannel.setStoreType(storeType);
+      otherSideChannel.setDataFormat(dataFormat);
       if (otherSideShuffleKeys != null) {
         otherSideChannel.setShuffleKeys(otherSideShuffleKeys);
       }
@@ -587,7 +587,7 @@ public class GlobalPlanner {
     channel = new DataChannel(firstStage, secondStage, HASH_SHUFFLE, 32);
     channel.setShuffleKeys(secondPhaseGroupby.getGroupingColumns().clone());
     channel.setSchema(firstStage.getPlan().getOutSchema());
-    channel.setStoreType(storeType);
+    channel.setDataFormat(dataFormat);
 
     // Setting for the second phase's logical plan
     ScanNode scanNode = buildInputExecutor(context.plan.getLogicalPlan(), 
channel);
@@ -735,7 +735,7 @@ public class GlobalPlanner {
       channel.setShuffleKeys(firstPhaseGroupby.getGroupingColumns());
     }
     channel.setSchema(firstPhaseGroupby.getOutSchema());
-    channel.setStoreType(storeType);
+    channel.setDataFormat(dataFormat);
 
     ScanNode scanNode = buildInputExecutor(masterPlan.getLogicalPlan(), 
channel);
     secondPhaseGroupby.setChild(scanNode);
@@ -888,7 +888,7 @@ public class GlobalPlanner {
       ExecutionBlock childBlock = masterPlan.getExecBlock(channel.getSrcId());
       setShuffleKeysFromPartitionedTableStore(currentNode, channel);
       channel.setSchema(childBlock.getPlan().getOutSchema());
-      channel.setStoreType(storeType);
+      channel.setDataFormat(dataFormat);
       lastChannel = channel;
     }
 
@@ -911,7 +911,7 @@ public class GlobalPlanner {
     DataChannel channel = new DataChannel(lastBlock, nextBlock, HASH_SHUFFLE, 
32);
     setShuffleKeysFromPartitionedTableStore(currentNode, channel);
     channel.setSchema(lastBlock.getPlan().getOutSchema());
-    channel.setStoreType(storeType);
+    channel.setDataFormat(dataFormat);
 
     ScanNode scanNode = buildInputExecutor(masterPlan.getLogicalPlan(), 
channel);
     currentNode.setChild(scanNode);
@@ -990,7 +990,7 @@ public class GlobalPlanner {
         MasterPlan masterPlan = context.plan;
         for (DataChannel dataChannel : 
masterPlan.getIncomingChannels(execBlock.getId())) {
 
-          dataChannel.setStoreType(finalOutputStoreType);
+          dataChannel.setDataFormat(finalOutputDataFormat);
           ExecutionBlock subBlock = 
masterPlan.getExecBlock(dataChannel.getSrcId());
 
           ProjectionNode copy = PlannerUtil.clone(plan, node);
@@ -1035,7 +1035,7 @@ public class GlobalPlanner {
         DataChannel newChannel = new DataChannel(execBlock, newExecBlock, 
HASH_SHUFFLE, 1);
         newChannel.setShuffleKeys(new Column[]{});
         newChannel.setSchema(node.getOutSchema());
-        newChannel.setStoreType(storeType);
+        newChannel.setDataFormat(dataFormat);
 
         ScanNode scanNode = buildInputExecutor(plan, newChannel);
         LimitNode parentLimit = 
PlannerUtil.clone(context.plan.getLogicalPlan(), node);
@@ -1103,7 +1103,7 @@ public class GlobalPlanner {
         channel.setShuffleKeys(null);
       }
       channel.setSchema(windowAgg.getInSchema());
-      channel.setStoreType(storeType);
+      channel.setDataFormat(dataFormat);
 
       LogicalNode childNode = windowAgg.getChild();
       ScanNode scanNode = buildInputExecutor(masterPlan.getLogicalPlan(), 
channel);
@@ -1236,7 +1236,7 @@ public class GlobalPlanner {
 
       for (ExecutionBlock childBlocks : queryBlockBlocks) {
         DataChannel channel = new DataChannel(childBlocks, execBlock, 
NONE_SHUFFLE, 1);
-        channel.setStoreType(storeType);
+        channel.setDataFormat(dataFormat);
         masterPlan.addConnect(channel);
       }
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/builder/DistinctGroupbyBuilder.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/builder/DistinctGroupbyBuilder.java
 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/builder/DistinctGroupbyBuilder.java
index 6fbecc1..210ac2c 100644
--- 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/builder/DistinctGroupbyBuilder.java
+++ 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/builder/DistinctGroupbyBuilder.java
@@ -142,7 +142,7 @@ public class DistinctGroupbyBuilder {
 
       
firstChannel.setShuffleKeys(firstStageDistinctNode.getFirstStageShuffleKeyColumns());
       firstChannel.setSchema(firstStageDistinctNode.getOutSchema());
-      firstChannel.setStoreType(globalPlanner.getStoreType());
+      firstChannel.setDataFormat(globalPlanner.getDataFormat());
 
       ScanNode scanNode = 
GlobalPlanner.buildInputExecutor(context.getPlan().getLogicalPlan(), 
firstChannel);
       secondStageDistinctNode.setChild(scanNode);
@@ -161,7 +161,7 @@ public class DistinctGroupbyBuilder {
         
secondChannel.setShuffleKeys(firstStageDistinctNode.getGroupingColumns());
       }
       secondChannel.setSchema(secondStageDistinctNode.getOutSchema());
-      secondChannel.setStoreType(globalPlanner.getStoreType());
+      secondChannel.setDataFormat(globalPlanner.getDataFormat());
 
       scanNode = 
GlobalPlanner.buildInputExecutor(context.getPlan().getLogicalPlan(), 
secondChannel);
       thirdStageDistinctNode.setChild(scanNode);
@@ -333,7 +333,7 @@ public class DistinctGroupbyBuilder {
         channel.setShuffleKeys(firstStageDistinctNode.getGroupingColumns());
       }
       channel.setSchema(firstStageDistinctNode.getOutSchema());
-      channel.setStoreType(globalPlanner.getStoreType());
+      channel.setDataFormat(globalPlanner.getDataFormat());
 
       ScanNode scanNode = 
GlobalPlanner.buildInputExecutor(context.getPlan().getLogicalPlan(), channel);
       secondStageDistinctNode.setChild(scanNode);

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/rewriter/rules/GlobalPlanRewriteUtil.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/rewriter/rules/GlobalPlanRewriteUtil.java
 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/rewriter/rules/GlobalPlanRewriteUtil.java
index df1f33b..b13cb0f 100644
--- 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/rewriter/rules/GlobalPlanRewriteUtil.java
+++ 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/global/rewriter/rules/GlobalPlanRewriteUtil.java
@@ -48,7 +48,7 @@ public class GlobalPlanRewriteUtil {
           originalChannel.getShuffleOutputNum());
       newChannel.setSchema(originalChannel.getSchema());
       newChannel.setShuffleKeys(originalChannel.getShuffleKeys());
-      newChannel.setStoreType(originalChannel.getStoreType());
+      newChannel.setDataFormat(originalChannel.getDataFormat());
       newChannel.setTransmitType(originalChannel.getTransmitType());
       plan.addConnect(newChannel);
       plan.disconnect(eachGrandChild, child);

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/BSTIndexScanExec.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/BSTIndexScanExec.java
 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/BSTIndexScanExec.java
index e171338..5352649 100644
--- 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/BSTIndexScanExec.java
+++ 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/BSTIndexScanExec.java
@@ -181,7 +181,7 @@ public class BSTIndexScanExec extends ScanExec {
       Schema fileScanOutSchema = mergeSubSchemas(projected, keySchema, 
plan.getTargets(), qual);
 
       this.fileScanner = OldStorageManager.getStorageManager(context.getConf(),
-          plan.getTableDesc().getMeta().getStoreType())
+          plan.getTableDesc().getMeta().getDataFormat())
           .getSeekableScanner(plan.getTableDesc().getMeta(), 
plan.getPhysicalSchema(), fragment, fileScanOutSchema);
       this.fileScanner.init();
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/PhysicalPlanUtil.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/PhysicalPlanUtil.java
 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/PhysicalPlanUtil.java
index e9f4fb9..1bd38d1 100644
--- 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/PhysicalPlanUtil.java
+++ 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/PhysicalPlanUtil.java
@@ -209,12 +209,12 @@ public class PhysicalPlanUtil {
    * @param nullChar A character for NULL representation
    */
   private static void setNullCharForTextSerializer(TableMeta meta, String 
nullChar) {
-    String storeType = meta.getStoreType();
-    if (storeType.equalsIgnoreCase(BuiltinStorages.TEXT)) {
+    String dataFormat = meta.getDataFormat();
+    if (dataFormat.equalsIgnoreCase(BuiltinStorages.TEXT)) {
       meta.putOption(StorageConstants.TEXT_NULL, nullChar);
-    }  else if (storeType.equalsIgnoreCase(BuiltinStorages.RCFILE)) {
+    }  else if (dataFormat.equalsIgnoreCase(BuiltinStorages.RCFILE)) {
       meta.putOption(StorageConstants.RCFILE_NULL, nullChar);
-    } else if (storeType.equalsIgnoreCase(BuiltinStorages.SEQUENCE_FILE)) {
+    } else if (dataFormat.equalsIgnoreCase(BuiltinStorages.SEQUENCE_FILE)) {
       meta.putOption(StorageConstants.SEQUENCEFILE_NULL, nullChar);
     }
   }
@@ -226,12 +226,12 @@ public class PhysicalPlanUtil {
    * @return True if TableMeta contains NULL char property according to file 
format
    */
   public static boolean containsNullChar(TableMeta meta) {
-    String storeType = meta.getStoreType();
-    if (storeType.equalsIgnoreCase(BuiltinStorages.TEXT)) {
+    String dataFormat = meta.getDataFormat();
+    if (dataFormat.equalsIgnoreCase(BuiltinStorages.TEXT)) {
       return meta.containsOption(StorageConstants.TEXT_NULL);
-    } else if (storeType.equalsIgnoreCase(BuiltinStorages.RCFILE)) {
+    } else if (dataFormat.equalsIgnoreCase(BuiltinStorages.RCFILE)) {
       return meta.containsOption(StorageConstants.RCFILE_NULL);
-    } else if (storeType.equalsIgnoreCase(BuiltinStorages.SEQUENCE_FILE)) {
+    } else if (dataFormat.equalsIgnoreCase(BuiltinStorages.SEQUENCE_FILE)) {
       return meta.containsOption(StorageConstants.SEQUENCEFILE_NULL);
     } else {
       return false;

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/StoreTableExec.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/StoreTableExec.java
 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/StoreTableExec.java
index 8db1f5d..2ebad1e 100644
--- 
a/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/StoreTableExec.java
+++ 
b/tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/StoreTableExec.java
@@ -18,7 +18,6 @@
 
 package org.apache.tajo.engine.planner.physical;
 
-import com.google.common.base.Optional;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.fs.Path;
@@ -83,7 +82,7 @@ public class StoreTableExec extends UnaryPhysicalExec {
   public void openNewFile(int suffixId) throws IOException {
     Schema appenderSchema = (plan instanceof InsertNode) ? ((InsertNode) 
plan).getTableSchema() : outSchema;
 
-    if (PlannerUtil.isFileStorageType(meta.getStoreType())) {
+    if (PlannerUtil.isFileStorageType(meta.getDataFormat())) {
       String prevFile = null;
 
       lastFileName = context.getOutputPath();

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/master/GlobalEngine.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/main/java/org/apache/tajo/master/GlobalEngine.java 
b/tajo-core/src/main/java/org/apache/tajo/master/GlobalEngine.java
index 4f6873b..1966244 100644
--- a/tajo-core/src/main/java/org/apache/tajo/master/GlobalEngine.java
+++ b/tajo-core/src/main/java/org/apache/tajo/master/GlobalEngine.java
@@ -303,8 +303,8 @@ public class GlobalEngine extends AbstractService {
   }
 
   private void verifyInsertTableSchema(VerificationState state, LogicalPlan 
plan) {
-    String storeType = PlannerUtil.getStoreType(plan);
-    if (storeType != null) {
+    String dataFormat = PlannerUtil.getDataFormat(plan);
+    if (dataFormat != null) {
       LogicalRootNode rootNode = plan.getRootBlock().getRoot();
       if (rootNode.getChild().getType() == NodeType.INSERT) {
         try {

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/master/exec/NonForwardQueryResultSystemScanner.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/master/exec/NonForwardQueryResultSystemScanner.java
 
b/tajo-core/src/main/java/org/apache/tajo/master/exec/NonForwardQueryResultSystemScanner.java
index bac124f..7f8c61c 100644
--- 
a/tajo-core/src/main/java/org/apache/tajo/master/exec/NonForwardQueryResultSystemScanner.java
+++ 
b/tajo-core/src/main/java/org/apache/tajo/master/exec/NonForwardQueryResultSystemScanner.java
@@ -245,8 +245,8 @@ public class NonForwardQueryResultSystemScanner implements 
NonForwardQueryResult
           }
         } else if ("path".equalsIgnoreCase(column.getSimpleName())) {
           aTuple.put(fieldId, DatumFactory.createText(table.getPath()));
-        } else if ("store_type".equalsIgnoreCase(column.getSimpleName())) {
-          aTuple.put(fieldId, DatumFactory.createText(table.getStoreType()));
+        } else if ("data_format".equalsIgnoreCase(column.getSimpleName())) {
+          aTuple.put(fieldId, DatumFactory.createText(table.getDataFormat()));
         }
       }
       

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/master/exec/QueryExecutor.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/master/exec/QueryExecutor.java 
b/tajo-core/src/main/java/org/apache/tajo/master/exec/QueryExecutor.java
index 50f4a85..2716800 100644
--- a/tajo-core/src/main/java/org/apache/tajo/master/exec/QueryExecutor.java
+++ b/tajo-core/src/main/java/org/apache/tajo/master/exec/QueryExecutor.java
@@ -528,7 +528,7 @@ public class QueryExecutor {
         List<CatalogProtos.ColumnProto> columns = new 
ArrayList<CatalogProtos.ColumnProto>();
         CatalogProtos.TableDescProto tableDescProto = 
CatalogProtos.TableDescProto.newBuilder()
             .setTableName(nodeUniqName)
-            
.setMeta(CatalogProtos.TableProto.newBuilder().setStoreType(BuiltinStorages.TEXT).build())
+            
.setMeta(CatalogProtos.TableProto.newBuilder().setDataFormat(BuiltinStorages.TEXT).build())
             
.setSchema(CatalogProtos.SchemaProto.newBuilder().addAllFields(columns).build())
             .setStats(stats.getProto())
             .build();

http://git-wip-us.apache.org/repos/asf/tajo/blob/b418c499/tajo-core/src/main/java/org/apache/tajo/querymaster/Repartitioner.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/querymaster/Repartitioner.java 
b/tajo-core/src/main/java/org/apache/tajo/querymaster/Repartitioner.java
index bddf198..3de63fb 100644
--- a/tajo-core/src/main/java/org/apache/tajo/querymaster/Repartitioner.java
+++ b/tajo-core/src/main/java/org/apache/tajo/querymaster/Repartitioner.java
@@ -195,7 +195,7 @@ public class Repartitioner {
       int maxStatsScanIdx = -1;
       StringBuilder nonLeafScanNamesBuilder = new StringBuilder();
       for (int i = 0; i < scans.length; i++) {
-        if 
(scans[i].getTableDesc().getMeta().getStoreType().equalsIgnoreCase("RAW")) {
+        if 
(scans[i].getTableDesc().getMeta().getDataFormat().equalsIgnoreCase("RAW")) {
           // Intermediate data scan
           hasNonLeafNode = true;
           largeScanIndexList.add(i);
@@ -636,7 +636,7 @@ public class Repartitioner {
     TupleRange mergedRange = TupleUtil.columnStatToRange(sortSpecs, 
sortSchema, totalStat.getColumnStats(), false);
 
     if (sortNode.getSortPurpose() == SortPurpose.STORAGE_SPECIFIED) {
-      String storeType = PlannerUtil.getStoreType(masterPlan.getLogicalPlan());
+      String dataFormat = 
PlannerUtil.getDataFormat(masterPlan.getLogicalPlan());
       CatalogService catalog = 
stage.getContext().getQueryMasterContext().getWorkerContext().getCatalog();
       LogicalRootNode rootNode = 
masterPlan.getLogicalPlan().getRootBlock().getRoot();
       TableDesc tableDesc = null;
@@ -647,7 +647,7 @@ public class Repartitioner {
             PlannerUtil.getStoreTableName(masterPlan.getLogicalPlan()));
       }
 
-      Tablespace space = TablespaceManager.getAnyByScheme(storeType).get();
+      Tablespace space = TablespaceManager.getAnyByScheme(dataFormat).get();
       ranges = space.getInsertSortRanges(
           stage.getContext().getQueryContext(),
           tableDesc,

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