http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core-tests/src/test/resources/results/TestTajoDatabaseMetaData/getTables2.result
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestTajoDatabaseMetaData/getTables2.result
 
b/tajo-core-tests/src/test/resources/results/TestTajoDatabaseMetaData/getTables2.result
deleted file mode 100644
index 65cde70..0000000
--- 
a/tajo-core-tests/src/test/resources/results/TestTajoDatabaseMetaData/getTables2.result
+++ /dev/null
@@ -1,4 +0,0 @@
-TABLE_CAT,TABLE_SCHEM,TABLE_NAME,TABLE_TYPE,REMARKS
--------------------------------
-Jdbc_Test4,,table3,TABLE,
-Jdbc_Test4,,table4,TABLE,
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core-tests/src/test/resources/results/TestTajoJdbc/testSortWithDateTime.result
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestTajoJdbc/testSortWithDateTime.result
 
b/tajo-core-tests/src/test/resources/results/TestTajoJdbc/testSortWithDateTime.result
deleted file mode 100644
index 118909c..0000000
--- 
a/tajo-core-tests/src/test/resources/results/TestTajoJdbc/testSortWithDateTime.result
+++ /dev/null
@@ -1,7 +0,0 @@
-col1,col2,col3
--------------------------------
-1993-11-09 20:34:56,1997-01-28,08:34:56
-1995-11-09 20:34:56,1993-11-09,20:34:56
-1995-11-09 20:34:56,1994-02-02,17:34:56
-1997-11-09 20:34:56,1996-03-13,19:34:56
-1997-11-09 20:34:56,1996-04-12,15:34:56
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core-tests/src/test/resources/tpch/customer.tbl
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/tpch/customer.tbl 
b/tajo-core-tests/src/test/resources/tpch/customer.tbl
deleted file mode 100644
index 4f684c6..0000000
--- a/tajo-core-tests/src/test/resources/tpch/customer.tbl
+++ /dev/null
@@ -1,5 +0,0 @@
-1|Customer#000000001|IVhzIApeRb ot,c,E|15|25-989-741-2988|711.56|BUILDING|to 
the even, regular platelets. regular, ironic epitaphs nag e|
-2|Customer#000000002|XSTf4,NCwDVaWNe6tEgvwfmRchLXak|13|23-768-687-3665|121.65|AUTOMOBILE|l
 accounts. blithely ironic theodolites integrate boldly: caref|
-3|Customer#000000003|MG9kdTD2WBHm|1|11-719-748-3364|7498.12|AUTOMOBILE| 
deposits eat slyly ironic, even instructions. express foxes detect slyly. 
blithely even accounts abov|
-4|Customer#000000004|XxVSJsLAGtn|4|14-128-190-5944|2866.83|MACHINERY| 
requests. final, regular ideas sleep final accou|
-5|Customer#000000005|KvpyuHCplrB84WgAiGV6sYpZq7Tj|3|13-750-942-6364|794.47|HOUSEHOLD|n
 accounts will have to unwind. foxes cajole accor|

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core-tests/src/test/resources/tpch/empty_orders.tbl
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/tpch/empty_orders.tbl 
b/tajo-core-tests/src/test/resources/tpch/empty_orders.tbl
deleted file mode 100644
index e69de29..0000000

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core-tests/src/test/resources/tpch/lineitem.tbl
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/tpch/lineitem.tbl 
b/tajo-core-tests/src/test/resources/tpch/lineitem.tbl
deleted file mode 100644
index e3beac9..0000000
--- a/tajo-core-tests/src/test/resources/tpch/lineitem.tbl
+++ /dev/null
@@ -1,5 +0,0 @@
-1|1|7706|1|17|21168.23|0.04|0.02|N|O|1996-03-13|1996-02-12|1996-03-22|DELIVER 
IN PERSON|TRUCK|egular courts above the|
-1|1|7311|2|36|45983.16|0.09|0.06|N|O|1996-04-12|1996-02-28|1996-04-20|TAKE 
BACK RETURN|MAIL|ly final dependencies: slyly bold |
-2|2|1191|1|38|44694.46|0.00|0.05|N|O|1997-01-28|1997-01-14|1997-02-02|TAKE 
BACK RETURN|RAIL|ven requests. deposits breach a|
-3|2|1798|1|45|54058.05|0.06|0.00|R|F|1994-02-02|1994-01-04|1994-02-23|NONE|AIR|ongside
 of the furiously brave acco|
-3|3|6540|2|49|46796.47|0.10|0.00|R|F|1993-11-09|1993-12-20|1993-11-24|TAKE 
BACK RETURN|RAIL| unusual accounts. eve|

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core-tests/src/test/resources/tpch/nation.tbl
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/tpch/nation.tbl 
b/tajo-core-tests/src/test/resources/tpch/nation.tbl
deleted file mode 100644
index ed3fd5b..0000000
--- a/tajo-core-tests/src/test/resources/tpch/nation.tbl
+++ /dev/null
@@ -1,25 +0,0 @@
-0|ALGERIA|0| haggle. carefully final deposits detect slyly agai|
-1|ARGENTINA|1|al foxes promise slyly according to the regular accounts. bold 
requests alon|
-2|BRAZIL|1|y alongside of the pending deposits. carefully special packages are 
about the ironic forges. slyly special |
-3|CANADA|1|eas hang ironic, silent packages. slyly regular packages are 
furiously over the tithes. fluffily bold|
-4|EGYPT|4|y above the carefully unusual theodolites. final dugouts are quickly 
across the furiously regular d|
-5|ETHIOPIA|0|ven packages wake quickly. regu|
-6|FRANCE|3|refully final requests. regular, ironi|
-7|GERMANY|3|l platelets. regular accounts x-ray: unusual, regular acco|
-8|INDIA|2|ss excuses cajole slyly across the packages. deposits print aroun|
-9|INDONESIA|2| slyly express asymptotes. regular deposits haggle slyly. 
carefully ironic hockey players sleep blithely. carefull|
-10|IRAN|4|efully alongside of the slyly final dependencies. |
-11|IRAQ|4|nic deposits boost atop the quickly final requests? quickly regula|
-12|JAPAN|2|ously. final, express gifts cajole a|
-13|JORDAN|4|ic deposits are blithely about the carefully regular pa|
-14|KENYA|0| pending excuses haggle furiously deposits. pending, express pinto 
beans wake fluffily past t|
-15|MOROCCO|0|rns. blithely bold courts among the closely regular packages use 
furiously bold platelets?|
-16|MOZAMBIQUE|0|s. ironic, unusual asymptotes wake blithely r|
-17|PERU|1|platelets. blithely pending dependencies use fluffily across the 
even pinto beans. carefully silent accoun|
-18|CHINA|2|c dependencies. furiously express notornis sleep slyly regular 
accounts. ideas sleep. depos|
-19|ROMANIA|3|ular asymptotes are about the furious multipliers. express 
dependencies nag above the ironically ironic account|
-20|SAUDI ARABIA|4|ts. silent requests haggle. closely express packages sleep 
across the blithely|
-21|VIETNAM|2|hely enticingly express accounts. even, final |
-22|RUSSIA|3| requests against the platelets use never according to the quickly 
regular pint|
-23|UNITED KINGDOM|3|eans boost carefully special requests. accounts are. 
carefull|
-24|UNITED STATES|1|y final packages. slow foxes cajole quickly. quickly silent 
platelets breach ironic accounts. unusual pinto be|

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core-tests/src/test/resources/tpch/orders.tbl
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/tpch/orders.tbl 
b/tajo-core-tests/src/test/resources/tpch/orders.tbl
deleted file mode 100644
index 15a1b6f..0000000
--- a/tajo-core-tests/src/test/resources/tpch/orders.tbl
+++ /dev/null
@@ -1,3 +0,0 @@
-1|3|O|173665.47|1996-01-02|5-LOW|Clerk#000000951|0|nstructions sleep furiously 
among |
-2|4|O|46929.18|1996-12-01|1-URGENT|Clerk#000000880|0| foxes. pending accounts 
at the pending, silent asymptot|
-3|2|F|193846.25|1993-10-14|5-LOW|Clerk#000000955|0|sly final accounts boost. 
carefully regular ideas cajole carefully. depos|

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core-tests/src/test/resources/tpch/part.tbl
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/tpch/part.tbl 
b/tajo-core-tests/src/test/resources/tpch/part.tbl
deleted file mode 100644
index 6e6fa72..0000000
--- a/tajo-core-tests/src/test/resources/tpch/part.tbl
+++ /dev/null
@@ -1,4 +0,0 @@
-1|goldenrod lavender spring chocolate lace|Manufacturer#1|Brand#13|PROMO 
BURNISHED COPPER|7|JUMBO PKG|901.00|ly. slyly ironi
-2|blush thistle blue yellow saddle|Manufacturer#1|Brand#13|LARGE BRUSHED 
BRASS|15|LG CASE|902.00|lar accounts amo
-3|spring green yellow purple cornsilk|Manufacturer#4|Brand#42|STANDARD 
POLISHED BRASS|21|WRAP CASE|903.00|egular deposits hag
-4|cornflower chocolate smoke green pink|Manufacturer#3|Brand#34|SMALL PLATED 
BRASS|14|MED DRUM|904.00|p furiously r
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core-tests/src/test/resources/tpch/partsupp.tbl
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/tpch/partsupp.tbl 
b/tajo-core-tests/src/test/resources/tpch/partsupp.tbl
deleted file mode 100644
index a6211e6..0000000
--- a/tajo-core-tests/src/test/resources/tpch/partsupp.tbl
+++ /dev/null
@@ -1,3 +0,0 @@
-1|2|3325|771.64|, even theodolites. regular, final theodolites eat after the 
carefully pending foxes. furiously regular deposits sleep slyly. carefully bold 
realms above the ironic dependencies haggle careful|
-2|3|8895|1.01|nic accounts. final accounts sleep furiously about the ironic, 
bold packages. regular, regular accounts|
-3|4|4651|920.92|ilent foxes affix furiously quickly unusual requests. even 
packages across the carefully even theodolites nag above the sp|

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core-tests/src/test/resources/tpch/region.tbl
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/tpch/region.tbl 
b/tajo-core-tests/src/test/resources/tpch/region.tbl
deleted file mode 100644
index c5ebb63..0000000
--- a/tajo-core-tests/src/test/resources/tpch/region.tbl
+++ /dev/null
@@ -1,5 +0,0 @@
-0|AFRICA|lar deposits. blithely final packages cajole. regular waters are 
final requests. regular accounts are according to |
-1|AMERICA|hs use ironic, even requests. s|
-2|ASIA|ges. thinly even pinto beans ca|
-3|EUROPE|ly final courts cajole furiously final excuse|
-4|MIDDLE EAST|uickly special accounts cajole carefully blithely close 
requests. carefully final asymptotes haggle furiousl|

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core-tests/src/test/resources/tpch/supplier.tbl
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/tpch/supplier.tbl 
b/tajo-core-tests/src/test/resources/tpch/supplier.tbl
deleted file mode 100644
index a6fafb3..0000000
--- a/tajo-core-tests/src/test/resources/tpch/supplier.tbl
+++ /dev/null
@@ -1,3 +0,0 @@
-2|Supplier#000000002|89eJ5ksX3ImxJQBvxObC,|5|15-679-861-2259|4032.68| slyly 
bold instructions. idle dependen|
-3|Supplier#000000003|q1,G3Pj6OjIuUYfUoH18BFTKP5aU9bEV3|1|11-383-516-1199|4192.40|blithely
 silent requests after the express dependencies are sl|
-4|Supplier#000000004|Bk7ah4CK8SYQTepEmvMkkgMwg|15|25-843-787-7479|4641.08|riously
 even requests above the exp|

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core/pom.xml
----------------------------------------------------------------------
diff --git a/tajo-core/pom.xml b/tajo-core/pom.xml
index b8f1dd9..7a817ab 100644
--- a/tajo-core/pom.xml
+++ b/tajo-core/pom.xml
@@ -69,10 +69,6 @@
           <excludes>
             <exclude>derby.log</exclude>
             <exclude>benchmark/**</exclude>
-            <exclude>src/test/tpch/**</exclude>
-            <exclude>src/test/resources/dataset/**</exclude>
-            <exclude>src/test/resources/queries/**</exclude>
-            <exclude>src/test/resources/results/**</exclude>
             <exclude>src/main/resources/META-INF/services/*</exclude>
             <exclude>src/main/resources/webapps/static/js/*</exclude>
           </excludes>
@@ -231,10 +227,6 @@
     </dependency>
     <dependency>
       <groupId>org.apache.tajo</groupId>
-      <artifactId>tajo-jdbc</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.tajo</groupId>
       <artifactId>tajo-rpc-protobuf</artifactId>
     </dependency>
     <dependency>
@@ -406,6 +398,10 @@
               <groupId>com.sun.jersey.jersey-test-framework</groupId>
               <artifactId>jersey-test-framework-grizzly2</artifactId>
             </exclusion>
+            <exclusion>
+              <artifactId>netty-all</artifactId>
+              <groupId>io.netty</groupId>
+            </exclusion>
           </exclusions>
         </dependency>
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core/src/main/java/org/apache/tajo/benchmark/TPCH.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/main/java/org/apache/tajo/benchmark/TPCH.java 
b/tajo-core/src/main/java/org/apache/tajo/benchmark/TPCH.java
index 95fba1d..a5adcf6 100644
--- a/tajo-core/src/main/java/org/apache/tajo/benchmark/TPCH.java
+++ b/tajo-core/src/main/java/org/apache/tajo/benchmark/TPCH.java
@@ -222,12 +222,4 @@ public class TPCH extends BenchmarkSet {
     tajo.createExternalTable(tableName, getSchema(tableName),
         new Path(dataDir, tableName).toUri(), meta, partitionMethodDesc);
   }
-
-  public static File getDataFile(String table) {
-    try {
-      return new File(FileUtil.getResourcePath("tpch/" + table + 
".tbl").toURI());
-    } catch (Throwable t) {
-      throw new RuntimeException(t);
-    }
-  }
 }

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-core/src/main/java/org/apache/tajo/engine/function/FunctionLoader.java
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/main/java/org/apache/tajo/engine/function/FunctionLoader.java 
b/tajo-core/src/main/java/org/apache/tajo/engine/function/FunctionLoader.java
index b7e4085..b765f5e 100644
--- 
a/tajo-core/src/main/java/org/apache/tajo/engine/function/FunctionLoader.java
+++ 
b/tajo-core/src/main/java/org/apache/tajo/engine/function/FunctionLoader.java
@@ -45,6 +45,7 @@ import org.apache.tajo.util.TUtil;
 import java.io.IOException;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
+import java.net.URISyntaxException;
 import java.util.*;
 
 import static org.apache.tajo.catalog.proto.CatalogProtos.FunctionType.GENERAL;
@@ -99,7 +100,15 @@ public class FunctionLoader {
     if (codePaths != null) {
       FileSystem localFS = FileSystem.getLocal(conf);
       for (String codePathStr : codePaths) {
-        Path codePath = new Path(codePathStr);
+
+        Path codePath;
+        try {
+          codePath = new Path(codePathStr);
+        } catch (IllegalArgumentException e) {
+          LOG.warn(e);
+          continue;
+        }
+
         List<Path> filePaths = TUtil.newList();
         if (localFS.isDirectory(codePath)) {
           for (FileStatus file : localFS.listStatus(codePath, new PathFilter() 
{

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/pom.xml
----------------------------------------------------------------------
diff --git a/tajo-jdbc/pom.xml b/tajo-jdbc/pom.xml
index 3c9d375..f73a4bd 100644
--- a/tajo-jdbc/pom.xml
+++ b/tajo-jdbc/pom.xml
@@ -61,6 +61,13 @@
             </goals>
           </execution>
         </executions>
+        <configuration>
+          <excludes>
+            <exclude>src/test/resources/dataset/**</exclude>
+            <exclude>src/test/resources/queries/**</exclude>
+            <exclude>src/test/resources/results/**</exclude>
+          </excludes>
+        </configuration>
       </plugin>
       <plugin>
         <artifactId>maven-assembly-plugin</artifactId>
@@ -94,6 +101,77 @@
       <artifactId>tajo-client</artifactId>
     </dependency>
     <dependency>
+      <groupId>org.apache.tajo</groupId>
+      <artifactId>tajo-cluster-tests</artifactId>
+      <type>test-jar</type>
+      <scope>test</scope>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-common</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-minicluster</artifactId>
+      <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-el</groupId>
+          <artifactId>commons-el</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>tomcat</groupId>
+          <artifactId>jasper-runtime</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>tomcat</groupId>
+          <artifactId>jasper-compiler</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.mortbay.jetty</groupId>
+          <artifactId>jsp-2.1-jetty</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>com.sun.jersey.jersey-test-framework</groupId>
+          <artifactId>jersey-test-framework-grizzly2</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-hdfs</artifactId>
+      <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-el</groupId>
+          <artifactId>commons-el</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>tomcat</groupId>
+          <artifactId>jasper-runtime</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>tomcat</groupId>
+          <artifactId>jasper-compiler</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.mortbay.jetty</groupId>
+          <artifactId>jsp-2.1-jetty</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>com.sun.jersey.jersey-test-framework</groupId>
+          <artifactId>jersey-test-framework-grizzly2</artifactId>
+        </exclusion>
+        <exclusion>
+          <artifactId>netty-all</artifactId>
+          <groupId>io.netty</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+
+    <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <scope>test</scope>

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/MetaDataTuple.java
----------------------------------------------------------------------
diff --git a/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/MetaDataTuple.java 
b/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/MetaDataTuple.java
deleted file mode 100644
index bd078f6..0000000
--- a/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/MetaDataTuple.java
+++ /dev/null
@@ -1,200 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.tajo.jdbc;
-
-import org.apache.tajo.common.TajoDataTypes;
-import org.apache.tajo.datum.Datum;
-import org.apache.tajo.datum.IntervalDatum;
-import org.apache.tajo.datum.NullDatum;
-import org.apache.tajo.datum.ProtobufDatum;
-import org.apache.tajo.exception.TajoRuntimeException;
-import org.apache.tajo.exception.UnsupportedException;
-import org.apache.tajo.storage.Tuple;
-import org.apache.tajo.util.datetime.TimeMeta;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class MetaDataTuple implements Tuple {
-  List<Datum> values = new ArrayList<Datum>();
-
-  public MetaDataTuple(int size) {
-    values = new ArrayList<Datum>(size);
-    for(int i = 0; i < size; i++) {
-      values.add(NullDatum.get());
-    }
-  }
-
-  @Override
-  public int size() {
-    return values.size();
-  }
-
-  @Override
-  public boolean contains(int fieldid) {
-    return false;
-  }
-
-  @Override
-  public boolean isBlank(int fieldid) {
-    return values.get(fieldid) == null;
-  }
-
-  @Override
-  public boolean isBlankOrNull(int fieldid) {
-    return values.get(fieldid) == null || values.get(fieldid).isNull();
-  }
-
-  @Override
-  public void put(int fieldId, Tuple tuple) {
-    this.put(fieldId, tuple.asDatum(fieldId));
-  }
-
-  @Override
-  public void clear() {
-    values.clear();
-  }
-
-  @Override
-  public void put(int fieldId, Datum value) {
-    values.set(fieldId, value);
-  }
-
-  @Override
-  public void put(Datum[] values) {
-    for (int i = 0; i < values.length; i++) {
-      this.values.set(i, values[i]);
-    }
-  }
-
-  @Override
-  public TajoDataTypes.Type type(int fieldId) {
-    return values.get(fieldId).type();
-  }
-
-  @Override
-  public int size(int fieldId) {
-    return values.get(fieldId).size();
-  }
-
-  @Override
-  public void clearOffset() {
-    throw new TajoRuntimeException(new UnsupportedException());
-  }
-
-  @Override
-  public Datum asDatum(int fieldId) {
-    return values.get(fieldId);
-  }
-
-  @Override
-  public void setOffset(long offset) {
-    throw new TajoRuntimeException(new UnsupportedException());
-  }
-
-  @Override
-  public long getOffset() {
-    throw new TajoRuntimeException(new UnsupportedException());
-  }
-
-  @Override
-  public boolean getBool(int fieldId) {
-    return values.get(fieldId).asBool();
-  }
-
-  @Override
-  public byte getByte(int fieldId) {
-    return values.get(fieldId).asByte();
-  }
-
-  @Override
-  public char getChar(int fieldId) {
-    return values.get(fieldId).asChar();
-  }
-
-  @Override
-  public byte [] getBytes(int fieldId) {
-    throw new TajoRuntimeException(new UnsupportedException());
-  }
-
-  @Override
-  public byte[] getTextBytes(int fieldId) {
-    return values.get(fieldId).asTextBytes();
-  }
-
-  @Override
-  public short getInt2(int fieldId) {
-    return values.get(fieldId).asInt2();
-  }
-
-  @Override
-  public int getInt4(int fieldId) {
-    return values.get(fieldId).asInt4();
-  }
-
-  @Override
-  public long getInt8(int fieldId) {
-    return values.get(fieldId).asInt8();
-  }
-
-  @Override
-  public float getFloat4(int fieldId) {
-    return values.get(fieldId).asFloat4();
-  }
-
-  @Override
-  public double getFloat8(int fieldId) {
-    return values.get(fieldId).asFloat8();
-  }
-
-  @Override
-  public String getText(int fieldId) {
-    return values.get(fieldId).asChars();
-  }
-
-  @Override
-  public TimeMeta getTimeDate(int fieldId) {
-    return values.get(fieldId).asTimeMeta();
-  }
-
-  @Override
-  public ProtobufDatum getProtobufDatum(int fieldId) {
-    throw new TajoRuntimeException(new UnsupportedException());
-  }
-
-  @Override
-  public IntervalDatum getInterval(int fieldId) {
-    throw new TajoRuntimeException(new UnsupportedException());
-  }
-
-  @Override
-  public char[] getUnicodeChars(int fieldId) {
-    return values.get(fieldId).asUnicodeChars();
-  }
-
-  @Override
-  public Tuple clone() throws CloneNotSupportedException {
-    throw new TajoRuntimeException(new UnsupportedException());
-  }
-
-  @Override
-  public Datum[] getValues(){
-    throw new TajoRuntimeException(new UnsupportedException());
-  }
-}

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/TajoDatabaseMetaData.java
----------------------------------------------------------------------
diff --git 
a/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/TajoDatabaseMetaData.java 
b/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/TajoDatabaseMetaData.java
index 0474258..f22bafe 100644
--- a/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/TajoDatabaseMetaData.java
+++ b/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/TajoDatabaseMetaData.java
@@ -18,7 +18,6 @@
 package org.apache.tajo.jdbc;
 
 import com.google.common.collect.Lists;
-import com.google.protobuf.ServiceException;
 import org.apache.tajo.annotation.Nullable;
 import org.apache.tajo.catalog.*;
 import org.apache.tajo.client.CatalogAdminClient;

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/TajoMetaDataResultSet.java
----------------------------------------------------------------------
diff --git 
a/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/TajoMetaDataResultSet.java 
b/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/TajoMetaDataResultSet.java
deleted file mode 100644
index 9fba40a..0000000
--- a/tajo-jdbc/src/main/java/org/apache/tajo/jdbc/TajoMetaDataResultSet.java
+++ /dev/null
@@ -1,74 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.tajo.jdbc;
-
-import org.apache.tajo.catalog.Schema;
-import org.apache.tajo.common.TajoDataTypes.Type;
-import org.apache.tajo.storage.Tuple;
-
-import java.io.IOException;
-import java.sql.SQLException;
-import java.util.List;
-
-public class TajoMetaDataResultSet extends TajoResultSetBase {
-  private List<MetaDataTuple> values;
-
-  public TajoMetaDataResultSet(Schema schema, List<MetaDataTuple> values) {
-    super(null, schema, null);
-    setDataTuples(values);
-  }
-
-  public TajoMetaDataResultSet(List<String> columns, List<Type> types, 
List<MetaDataTuple> values) {
-    super(null, new Schema(), null);
-    int index = 0;
-    if(columns != null) {
-      for(String columnName: columns) {
-        schema.addColumn(columnName, types.get(index++));
-      }
-    }
-    setDataTuples(values);
-  }
-
-  protected void setDataTuples(List<MetaDataTuple> values) {
-    this.values = values;
-    this.totalRow = values == null ? 0 : values.size();
-  }
-
-  @Override
-  protected Tuple nextTuple() throws IOException {
-    if(curRow >= totalRow) {
-      return null;
-    }
-    return values.get(curRow);
-  }
-
-  @Override
-  public void close() throws SQLException {
-  }
-
-  @Override
-  public String getString(int fieldId) throws SQLException {
-    return cur.getText(fieldId - 1);
-  }
-
-  @Override
-  public String getString(String name) throws SQLException {
-    return cur.getText(findColumn(name));
-  }
-}

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestResultSet.java
----------------------------------------------------------------------
diff --git a/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestResultSet.java 
b/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestResultSet.java
new file mode 100644
index 0000000..0c83fd0
--- /dev/null
+++ b/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestResultSet.java
@@ -0,0 +1,224 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * 
+ */
+package org.apache.tajo.jdbc;
+
+import com.google.common.collect.Lists;
+import com.google.protobuf.ByteString;
+import org.apache.hadoop.fs.Path;
+import org.apache.tajo.IntegrationTest;
+import org.apache.tajo.TajoConstants;
+import org.apache.tajo.TajoTestingCluster;
+import org.apache.tajo.TpchTestBase;
+import org.apache.tajo.catalog.CatalogUtil;
+import org.apache.tajo.catalog.Schema;
+import org.apache.tajo.catalog.TableDesc;
+import org.apache.tajo.catalog.TableMeta;
+import org.apache.tajo.catalog.statistics.TableStats;
+import org.apache.tajo.client.TajoClient;
+import org.apache.tajo.common.TajoDataTypes.Type;
+import org.apache.tajo.conf.TajoConf;
+import org.apache.tajo.datum.DatumFactory;
+import org.apache.tajo.storage.*;
+import org.apache.tajo.util.KeyValueSet;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import java.io.IOException;
+import java.sql.*;
+import java.util.Calendar;
+import java.util.List;
+import java.util.TimeZone;
+
+import static org.junit.Assert.*;
+
+@Category(IntegrationTest.class)
+public class TestResultSet {
+  private static TajoTestingCluster util;
+  private static TajoConf conf;
+  private static TableDesc desc;
+  private static FileTablespace sm;
+  private static TableMeta scoreMeta;
+  private static Schema scoreSchema;
+  private static List<ByteString> serializedData;
+
+  @BeforeClass
+  public static void setup() throws Exception {
+    util = TpchTestBase.getInstance().getTestingCluster();
+    conf = util.getConfiguration();
+    sm = TablespaceManager.getDefault();
+
+    scoreSchema = new Schema();
+    scoreSchema.addColumn("deptname", Type.TEXT);
+    scoreSchema.addColumn("score", Type.INT4);
+    scoreMeta = CatalogUtil.newTableMeta("TEXT");
+    TableStats stats = new TableStats();
+
+    Path p = new Path(sm.getTableUri("default", "score"));
+    sm.getFileSystem().mkdirs(p);
+    Appender appender = sm.getAppender(scoreMeta, scoreSchema, new Path(p, 
"score"));
+    RowStoreUtil.RowStoreEncoder encoder = 
RowStoreUtil.createEncoder(scoreSchema);
+    serializedData = Lists.newArrayList();
+    appender.init();
+
+    int deptSize = 100;
+    int tupleNum = 10000;
+    Tuple tuple;
+    long written = 0;
+    for (int i = 0; i < tupleNum; i++) {
+      tuple = new VTuple(2);
+      String key = "test" + (i % deptSize);
+      tuple.put(0, DatumFactory.createText(key));
+      tuple.put(1, DatumFactory.createInt4(i + 1));
+      written += key.length() + Integer.SIZE;
+      appender.addTuple(tuple);
+      serializedData.add(ByteString.copyFrom(encoder.toBytes(tuple)));
+    }
+    appender.close();
+    stats.setNumRows(tupleNum);
+    stats.setNumBytes(written);
+    stats.setAvgRows(tupleNum);
+    stats.setNumBlocks(1000);
+    stats.setNumShuffleOutputs(100);
+    desc = new 
TableDesc(CatalogUtil.buildFQName(TajoConstants.DEFAULT_DATABASE_NAME, "score"),
+        scoreSchema, scoreMeta, p.toUri());
+    desc.setStats(stats);
+  }
+
+  @AfterClass
+  public static void terminate() throws IOException {
+
+  }
+
+  @Test
+  public void testMemoryResultSet() throws Exception {
+    TajoMemoryResultSet rs = new TajoMemoryResultSet(null, desc.getSchema(),
+        serializedData, desc.getStats().getNumRows().intValue(), null);
+
+    ResultSetMetaData meta = rs.getMetaData();
+    assertNotNull(meta);
+    Schema schema = scoreSchema;
+    assertEquals(schema.size(), meta.getColumnCount());
+    for (int i = 0; i < meta.getColumnCount(); i++) {
+      assertEquals(schema.getColumn(i).getSimpleName(), meta.getColumnName(i + 
1));
+      assertEquals(schema.getColumn(i).getQualifier(), meta.getTableName(i + 
1));
+    }
+
+    int i = 0;
+    assertTrue(rs.isBeforeFirst());
+    for (; rs.next(); i++) {
+      assertEquals("test"+i%100, rs.getString(1));
+      assertEquals("test"+i%100, rs.getString("deptname"));
+      assertEquals(i+1, rs.getInt(2));
+      assertEquals(i+1, rs.getInt("score"));
+    }
+    assertEquals(10000, i);
+    assertTrue(rs.isAfterLast());
+  }
+
+  @Test
+  public void testDateTimeType() throws Exception {
+    // HiveCatalog does not support date type, time type in hive-0.12.0
+    if(util.isHiveCatalogStoreRunning()) return;
+
+    ResultSet res = null;
+    TajoClient client = util.newTajoClient();
+    try {
+      String tableName = "datetimetable";
+      String query = "select col1, col2, col3 from " + tableName;
+
+      String [] table = new String[] {tableName};
+      Schema schema = new Schema();
+      schema.addColumn("col1", Type.DATE);
+      schema.addColumn("col2", Type.TIME);
+      schema.addColumn("col3", Type.TIMESTAMP);
+      Schema [] schemas = new Schema[] {schema};
+      String [] data = {
+          "2014-01-01|01:00:00|2014-01-01 01:00:00"
+      };
+      KeyValueSet tableOptions = new KeyValueSet();
+      tableOptions.set(StorageConstants.TEXT_DELIMITER, 
StorageConstants.DEFAULT_FIELD_DELIMITER);
+
+      res = TajoTestingCluster
+          .run(table, schemas, tableOptions, new String[][]{data}, query, 
client);
+
+      assertTrue(res.next());
+
+      Date date = res.getDate(1);
+      assertNotNull(date);
+      assertEquals(Date.valueOf("2014-01-01"), date);
+
+      date = res.getDate("col1");
+      assertNotNull(date);
+      assertEquals(Date.valueOf("2014-01-01"), date);
+
+      Time time = res.getTime(2);
+      assertNotNull(time);
+      assertEquals(Time.valueOf("01:00:00"), time);
+
+      time = res.getTime("col2");
+      assertNotNull(time);
+      assertEquals(Time.valueOf("01:00:00"), time);
+
+      Timestamp timestamp = res.getTimestamp(3);
+      assertNotNull(timestamp);
+      assertEquals(Timestamp.valueOf("2014-01-01 01:00:00"), timestamp);
+
+      timestamp = res.getTimestamp("col3");
+      assertNotNull(timestamp);
+      assertEquals(Timestamp.valueOf("2014-01-01 01:00:00"), timestamp);
+
+      // assert with timezone
+      Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+9"));
+      date = res.getDate(1, cal);
+      assertNotNull(date);
+      assertEquals("2014-01-01", date.toString());
+
+      date = res.getDate("col1", cal);
+      assertNotNull(date);
+      assertEquals("2014-01-01", date.toString());
+
+      time = res.getTime(2, cal);
+      assertNotNull(time);
+      assertEquals("10:00:00", time.toString());
+
+      time = res.getTime("col2", cal);
+      assertNotNull(time);
+      assertEquals("10:00:00", time.toString());
+
+      timestamp = res.getTimestamp(3, cal);
+      assertNotNull(timestamp);
+      assertEquals("2014-01-01 10:00:00.0", timestamp.toString());
+
+      timestamp = res.getTimestamp("col3", cal);
+      assertNotNull(timestamp);
+      assertEquals("2014-01-01 10:00:00.0", timestamp.toString());
+    } finally {
+      if (res != null) {
+        res.close();
+      }
+
+      client.close();
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestSQLState.java
----------------------------------------------------------------------
diff --git a/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestSQLState.java 
b/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestSQLState.java
new file mode 100644
index 0000000..e711524
--- /dev/null
+++ b/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestSQLState.java
@@ -0,0 +1,91 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.tajo.jdbc;
+
+import com.google.common.collect.Maps;
+import org.apache.hadoop.io.IOUtils;
+import org.apache.tajo.*;
+import org.apache.tajo.catalog.CatalogUtil;
+import org.apache.tajo.catalog.Column;
+import org.apache.tajo.catalog.TableDesc;
+import org.apache.tajo.client.QueryClient;
+import org.apache.tajo.client.QueryStatus;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import java.net.InetSocketAddress;
+import java.sql.*;
+import java.util.*;
+
+import static org.apache.tajo.TajoConstants.DEFAULT_DATABASE_NAME;
+import static org.junit.Assert.*;
+
+@Category(IntegrationTest.class)
+public class TestSQLState extends QueryTestCaseBase {
+  private static InetSocketAddress tajoMasterAddress;
+
+  @BeforeClass
+  public static void setUp() throws Exception {
+    tajoMasterAddress = 
testingCluster.getMaster().getTajoMasterClientService().getBindAddress();
+    Class.forName("org.apache.tajo.jdbc.TajoDriver").newInstance();
+  }
+
+  @AfterClass
+  public static void tearDown() throws Exception {
+  }
+
+  static String buildConnectionUri(String hostName, int port, String 
databaseName) {
+    return "jdbc:tajo://" + hostName + ":" + port + "/" + databaseName;
+  }
+
+  private Connection makeConnection() throws SQLException {
+    String connUri = buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+        DEFAULT_DATABASE_NAME);
+    Connection conn = DriverManager.getConnection(connUri);
+    assertTrue(conn.isValid(100));
+
+    return conn;
+  }
+
+  public void assertSQLState(String sql, String sqlState) throws SQLException {
+    Connection conn = null;
+    Statement stmt = null;
+    ResultSet res = null;
+
+    try {
+      conn = makeConnection();
+      stmt = conn.createStatement();
+      res = stmt.executeQuery(sql);
+    } catch (SQLException se) {
+      assertEquals(sqlState, se.getSQLState());
+    } catch (Throwable t) {
+      fail(t.getMessage());
+    } finally {
+      CatalogUtil.closeQuietly(stmt, res);
+      CatalogUtil.closeQuietly(conn);
+    }
+  }
+
+  @Test
+  public void testSyntaxError() throws Exception {
+    assertSQLState("selec x,y,x from lineitem", "42601");
+  }
+}

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestTajoDatabaseMetaData.java
----------------------------------------------------------------------
diff --git 
a/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestTajoDatabaseMetaData.java 
b/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestTajoDatabaseMetaData.java
new file mode 100644
index 0000000..8ee6755
--- /dev/null
+++ b/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestTajoDatabaseMetaData.java
@@ -0,0 +1,504 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.tajo.jdbc;
+
+import com.google.common.collect.Sets;
+import org.apache.tajo.QueryTestCaseBase;
+import org.apache.tajo.TajoConstants;
+import org.apache.tajo.catalog.CatalogUtil;
+import org.apache.tajo.common.type.TajoTypeUtil;
+import org.apache.tajo.util.TUtil;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.net.InetSocketAddress;
+import java.sql.*;
+import java.util.*;
+
+import static org.junit.Assert.*;
+
+public class TestTajoDatabaseMetaData extends QueryTestCaseBase {
+  private static InetSocketAddress tajoMasterAddress;
+
+  @BeforeClass
+  public static void setUp() throws Exception {
+    tajoMasterAddress = 
testingCluster.getMaster().getTajoMasterClientService().getBindAddress();
+    Class.forName("org.apache.tajo.jdbc.TajoDriver").newInstance();
+  }
+
+  public static List<String> getListFromResultSet(ResultSet resultSet, String 
columnName) throws SQLException {
+    List<String> list = new ArrayList<String>();
+    while(resultSet.next()) {
+      list.add(resultSet.getString(columnName));
+    }
+    return list;
+  }
+
+  @Test
+  public void testSetAndGetCatalogAndSchema() throws Exception {
+    String connUri = 
TestTajoJdbc.buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+        TajoConstants.DEFAULT_DATABASE_NAME);
+    Connection conn = DriverManager.getConnection(connUri);
+
+    assertDatabaseNotExists("jdbc_test1");
+    PreparedStatement pstmt = conn.prepareStatement("CREATE DATABASE 
jdbc_test1");
+    pstmt.executeUpdate();
+    assertDatabaseExists("jdbc_test1");
+    pstmt.close();
+
+    if (!testingCluster.isHiveCatalogStoreRunning()) {
+      assertDatabaseNotExists("Jdbc_Test2");
+      pstmt = conn.prepareStatement("CREATE DATABASE \"Jdbc_Test2\"");
+      pstmt.executeUpdate();
+      assertDatabaseExists("Jdbc_Test2");
+      pstmt.close();
+    }
+
+    conn.setCatalog("jdbc_test1");
+    assertEquals("jdbc_test1", conn.getCatalog());
+    if (!testingCluster.isHiveCatalogStoreRunning()) {
+      conn.setCatalog("Jdbc_Test2");
+      assertEquals("Jdbc_Test2", conn.getCatalog());
+    }
+    conn.setCatalog("jdbc_test1");
+    assertEquals("jdbc_test1", conn.getCatalog());
+
+    ResultSet resultSet = conn.getMetaData().getSchemas();
+    assertResultSet(resultSet, "getSchemas1.result");
+    resultSet.close();
+
+    resultSet = conn.getMetaData().getSchemas("jdbc_test1", "%");
+    assertResultSet(resultSet, "getSchemas2.result");
+    resultSet.close();
+
+    resultSet = conn.getMetaData().getTableTypes();
+    assertResultSet(resultSet, "getTableTypes.result");
+    resultSet.close();
+
+    conn.setCatalog(TajoConstants.DEFAULT_DATABASE_NAME);
+    pstmt = conn.prepareStatement("DROP DATABASE jdbc_test1");
+    pstmt.executeUpdate();
+    pstmt.close();
+    if (!testingCluster.isHiveCatalogStoreRunning()) {
+      pstmt = conn.prepareStatement("DROP DATABASE \"Jdbc_Test2\"");
+      pstmt.executeUpdate();
+      pstmt.close();
+    }
+
+    conn.close();
+  }
+
+  @Test
+  public void testGetCatalogsAndTables() throws Exception {
+    String connUri = 
TestTajoJdbc.buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+        TajoConstants.DEFAULT_DATABASE_NAME);
+    Connection defaultConnect = DriverManager.getConnection(connUri);
+
+    DatabaseMetaData dbmd = defaultConnect.getMetaData();
+    List<String> existingDatabases = getListFromResultSet(dbmd.getCatalogs(), 
"TABLE_CAT");
+
+    // create database "jdbc_test1" and its tables
+    assertDatabaseNotExists("jdbc_test3");
+    PreparedStatement pstmt = defaultConnect.prepareStatement("CREATE DATABASE 
jdbc_test3");
+    pstmt.executeUpdate();
+    assertDatabaseExists("jdbc_test3");
+    pstmt.close();
+    pstmt = defaultConnect.prepareStatement("CREATE TABLE jdbc_test3.table1 
(age int)");
+    pstmt.executeUpdate();
+    pstmt.close();
+    pstmt = defaultConnect.prepareStatement("CREATE TABLE jdbc_test3.table2 
(age int)");
+    pstmt.executeUpdate();
+    pstmt.close();
+
+    if (!testingCluster.isHiveCatalogStoreRunning()) {
+      // create database "jdbc_test2" and its tables
+      assertDatabaseNotExists("Jdbc_Test4");
+      pstmt = defaultConnect.prepareStatement("CREATE DATABASE 
\"Jdbc_Test4\"");
+      pstmt.executeUpdate();
+      assertDatabaseExists("Jdbc_Test4");
+      pstmt.close();
+
+      pstmt = defaultConnect.prepareStatement("CREATE TABLE 
\"Jdbc_Test4\".table3 (age int)");
+      pstmt.executeUpdate();
+      pstmt.close();
+      pstmt = defaultConnect.prepareStatement("CREATE TABLE 
\"Jdbc_Test4\".table4 (age int)");
+      pstmt.executeUpdate();
+      pstmt.close();
+    }
+
+    // verify getCatalogs()
+    dbmd = defaultConnect.getMetaData();
+    List<String> newDatabases = getListFromResultSet(dbmd.getCatalogs(), 
"TABLE_CAT");
+
+    newDatabases.removeAll(existingDatabases);
+    if (!testingCluster.isHiveCatalogStoreRunning()) {
+      assertEquals(2, newDatabases.size());
+    } else {
+      assertEquals(1, newDatabases.size());
+    }
+    assertTrue(newDatabases.contains("jdbc_test3"));
+    if (!testingCluster.isHiveCatalogStoreRunning()) {
+      assertTrue(newDatabases.contains("Jdbc_Test4"));
+    }
+
+    // verify getTables()
+    ResultSet res = defaultConnect.getMetaData().getTables("jdbc_test3", null, 
null, null);
+    assertResultSet(res, "getTables1.result");
+    res.close();
+
+    if (!testingCluster.isHiveCatalogStoreRunning()) {
+      res = defaultConnect.getMetaData().getTables("Jdbc_Test4", null, null, 
null);
+      assertResultSet(res, "getTables2.result");
+      res.close();
+    }
+
+    defaultConnect.close();
+
+    // jdbc1_test database connection test
+    String jdbcTest1ConnUri =
+        TestTajoJdbc.buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(), "jdbc_test3");
+    Connection jdbcTest1Conn = DriverManager.getConnection(jdbcTest1ConnUri);
+    assertEquals("jdbc_test3", jdbcTest1Conn.getCatalog());
+    jdbcTest1Conn.close();
+
+    client.selectDatabase("default");
+    executeString("DROP TABLE jdbc_test3.table1");
+    executeString("DROP TABLE jdbc_test3.table2");
+    executeString("DROP DATABASE jdbc_test3");
+
+    if (!testingCluster.isHiveCatalogStoreRunning()) {
+      String jdbcTest2ConnUri =
+          TestTajoJdbc.buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(), "Jdbc_Test4");
+      Connection jdbcTest2Conn = DriverManager.getConnection(jdbcTest2ConnUri);
+      assertEquals("Jdbc_Test4", jdbcTest2Conn.getCatalog());
+      jdbcTest2Conn.close();
+
+      client.selectDatabase("default");
+      executeString("DROP TABLE \"Jdbc_Test4\".table3");
+      executeString("DROP TABLE \"Jdbc_Test4\".table4");
+      executeString("DROP DATABASE \"Jdbc_Test4\"");
+    }
+  }
+
+  @Test
+  public void testGetTablesWithPattern() throws Exception {
+    String connUri = 
TestTajoJdbc.buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+        TajoConstants.DEFAULT_DATABASE_NAME);
+    Connection conn = DriverManager.getConnection(connUri);
+
+    Map<String,List<String>> tables = new HashMap<String,List<String>>();
+    assertDatabaseNotExists("db_1");
+    executeString("CREATE DATABASE db_1");
+    assertDatabaseExists("db_1");
+    for (int i = 0; i < 3; i++) {
+      String tableName = "tb_" + i;
+      TUtil.putToNestedList(tables, "db_1", tableName);
+      executeString("CREATE TABLE db_1." + tableName + " (age int)");
+    }
+    for (int i = 0; i < 3; i++) {
+      String tableName = "table_" + i + "_ptn";
+      TUtil.putToNestedList(tables, "db_1", tableName);
+      executeString("CREATE TABLE db_1." + tableName + " (age int)");
+    }
+
+    assertDatabaseNotExists("db_2");
+    executeString("CREATE DATABASE db_2");
+    assertDatabaseExists("db_2");
+    for (int i = 0; i < 3; i++) {
+      String tableName = "tb_" + i;
+      TUtil.putToNestedList(tables, "db_2", tableName);
+      executeString("CREATE TABLE db_2." + tableName + " (age int)");
+    }
+    for (int i = 0; i < 3; i++) {
+      String tableName = "table_" + i + "_ptn";
+      TUtil.putToNestedList(tables, "db_2", tableName);
+      executeString("CREATE TABLE db_2." + tableName + " (age int)");
+    }
+
+    // all wildcard test
+    Set<String> tableList =
+        
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getTables("db_2", null, 
"%", null), "TABLE_NAME"));
+    assertEquals(Sets.newHashSet(tables.get("db_2")), tableList);
+
+    // leading wildcard test
+    tableList =
+        
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getTables("db_2", null, 
"%_ptn", null), "TABLE_NAME"));
+    assertEquals(Sets.newHashSet("table_0_ptn", "table_1_ptn", "table_2_ptn"), 
tableList);
+
+    // tailing wildcard test
+    tableList =
+        
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getTables("db_2", null, 
"tb_%", null), "TABLE_NAME"));
+    assertEquals(Sets.newHashSet("tb_0", "tb_1", "tb_2"), tableList);
+
+    ResultSet resultSet = conn.getMetaData().getTables(null, null, "tb\\_%", 
null);
+    int i = 0;
+    while(resultSet.next()) {
+      
tables.get(resultSet.getString("TABLE_CAT")).contains(resultSet.getString("TABLE_NAME"));
+      i++;
+    }
+    assertEquals(6, i);
+
+    executeString("DROP DATABASE db_1");
+    executeString("DROP DATABASE db_2");
+  }
+
+  private static String getTestColName(String dbName, String tableName, int i) 
{
+    if (i % 2 == 1) {
+      return CatalogUtil.denormalizeIdentifier(dbName + "_" + tableName + 
"_col") + " int";
+    } else {
+      return CatalogUtil.denormalizeIdentifier(dbName + "_" + tableName + 
"_COL") + " int";
+    }
+  }
+
+  @Test
+  public void testGetColumnsWithPattern() throws Exception {
+    if (!testingCluster.isHiveCatalogStoreRunning()) {
+      String connUri = 
TestTajoJdbc.buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+          TajoConstants.DEFAULT_DATABASE_NAME);
+      Connection conn = DriverManager.getConnection(connUri);
+
+      // Below creates the following 12 tables
+      // db<i>.tb<j>, i = {1,2}, 0 <= j < 2
+      // db<i>.table_<j>, i = {1,2}, 0 <= j < 2
+
+      Map<String,List<String>> tables = new HashMap<String,List<String>>();
+      for (int j = 1; j <= 2; j++) {
+        String dbName = "db" + j;
+        assertDatabaseNotExists(dbName);
+        executeString("CREATE DATABASE " + dbName).close();
+        assertDatabaseExists(dbName);
+        for (int i = 3; i < 6; i++) {
+          String tableName = "tb" + i;
+
+
+          if (i % 2 == 0) {
+            tableName = tableName.toUpperCase();
+          }
+
+          TUtil.putToNestedList(tables, dbName, tableName);
+
+          executeString("CREATE TABLE " + dbName + "." + 
CatalogUtil.denormalizeIdentifier(tableName) +
+              " (" + getTestColName(dbName, tableName, 1) +
+              ") PARTITION BY COLUMN (" + getTestColName(dbName, tableName, 2) 
+ ")").close();
+          assertTableExists(dbName + "." + tableName);
+        }
+        for (int i = 3; i < 6; i++) {
+          String tableName = "table" + i;
+
+
+          if (i % 2 == 0) {
+            tableName = tableName.toUpperCase();
+          }
+
+          TUtil.putToNestedList(tables, dbName, tableName);
+
+          executeString("CREATE TABLE " + dbName + "." + 
CatalogUtil.denormalizeIdentifier(tableName) +
+              " (" + getTestColName(dbName, tableName, 1) +
+              ") PARTITION BY COLUMN (" + getTestColName(dbName, tableName, 2) 
+ ")").close();
+          assertTableExists(dbName + "." + tableName);
+        }
+      }
+
+      // all wildcard test on columns
+      Set<String> columnList =
+          
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getColumns("db2", null, 
"tb3", "%"),
+              "COLUMN_NAME"));
+      assertEquals(Sets.newHashSet("db2_tb3_col", "db2_tb3_COL"), columnList);
+
+      // tailing wildcard + case sensitive test on columns
+      columnList = 
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getColumns("db2", null, 
"tb3", "%col"),
+          "COLUMN_NAME"));
+      assertEquals(Sets.newHashSet("db2_tb3_col"), columnList);
+      columnList =
+          
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getColumns("db2", null, 
"tb3", "%COL"),
+              "COLUMN_NAME"));
+      assertEquals(Sets.newHashSet("db2_tb3_COL"), columnList);
+
+      // tailing wildcard test on columns
+      columnList =
+          
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getColumns("db2", null, 
"tb3", "db2\\_tb3\\_%"),
+              "COLUMN_NAME"));
+      assertEquals(Sets.newHashSet("db2_tb3_col", "db2_tb3_COL"), columnList);
+      columnList =
+          
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getColumns("db2", null, 
"%", "db2\\_tb3\\_%"),
+              "COLUMN_NAME"));
+      assertEquals(Sets.newHashSet("db2_tb3_col", "db2_tb3_COL"), columnList);
+
+      // leading wildcard test on tables
+      columnList =
+          
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getColumns("db1", null, 
"%3", "%"),
+              "COLUMN_NAME"));
+      assertEquals(
+          Sets.newHashSet(
+              "db1_tb3_col", "db1_tb3_COL",
+              "db1_table3_col", "db1_table3_COL"),
+          columnList);
+      columnList =
+          
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getColumns("db2", null, 
"%3", "%"),
+              "COLUMN_NAME"));
+      assertEquals(
+          Sets.newHashSet(
+              "db2_tb3_col", "db2_tb3_COL",
+              "db2_table3_col", "db2_table3_COL"),
+          columnList);
+
+      // tailing wildcard + case sensitive test on tables
+      columnList =
+          
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getColumns("db2", null, 
"TABLE%", "%"),
+              "COLUMN_NAME"));
+      assertEquals(
+          Sets.newHashSet(
+              "db2_TABLE4_col", "db2_TABLE4_COL"), columnList);
+
+      columnList =
+          
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getColumns("db2", null, 
"TABLE4", "%"),
+              "COLUMN_NAME"));
+      assertEquals(
+          Sets.newHashSet(
+              "db2_TABLE4_col", "db2_TABLE4_COL"),
+          columnList);
+
+      // tailing wildcard test on tables
+      columnList =
+          
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getColumns("db2", null, 
"table%", "%"),
+              "COLUMN_NAME"));
+      assertEquals(
+          Sets.newHashSet(
+              "db2_table3_col", "db2_table3_COL",
+              "db2_table5_col", "db2_table5_COL"),
+          columnList);
+
+      // wildcard test on database
+      columnList =
+          
Sets.newHashSet(getListFromResultSet(conn.getMetaData().getColumns(null, null, 
"%3", "db1_tb3%"),
+              "COLUMN_NAME"));
+      assertEquals(Sets.newHashSet("db1_tb3_col", "db1_tb3_COL"), columnList);
+
+      executeString("DROP DATABASE db1");
+      executeString("DROP DATABASE db2");
+    }
+  }
+
+  @Test
+  public void testEmptyMetaInfo() throws Exception {
+    if (!testingCluster.isHiveCatalogStoreRunning()) {
+      String connUri = 
TestTajoJdbc.buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+          TajoConstants.DEFAULT_DATABASE_NAME);
+      Connection conn = DriverManager.getConnection(connUri);
+
+      try {
+        DatabaseMetaData meta = conn.getMetaData();
+
+        ResultSet res = meta.getProcedures(null, null, null);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getProcedureColumns(null, null, null, null);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getUDTs(null, null, null, null);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getColumnPrivileges(null, null, null, null);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getTablePrivileges(null, null, null);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getBestRowIdentifier(null, null, null, 0, false);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getVersionColumns(null, null, null);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getPrimaryKeys(null, null, null);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getImportedKeys(null, null, null);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getExportedKeys(null, null, null);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getCrossReference(null, null, null, null, null, null);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getIndexInfo(null, null, null, false, false);
+        assertNotNull(res);
+        assertFalse(res.next());
+
+        res = meta.getClientInfoProperties();
+        assertNotNull(res);
+        assertFalse(res.next());
+      } finally {
+        conn.close();
+      }
+    }
+  }
+
+  @Test
+  public void testGetTypeInfo() throws Exception {
+    if (!testingCluster.isHiveCatalogStoreRunning()) {
+      String connUri = 
TestTajoJdbc.buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+          TajoConstants.DEFAULT_DATABASE_NAME);
+      Connection conn = DriverManager.getConnection(connUri);
+
+      try {
+        DatabaseMetaData meta = conn.getMetaData();
+
+        ResultSet res = meta.getTypeInfo();
+
+        assertNotNull(res);
+
+        int numTypes = 0;
+
+        String[] columnNames = {"TYPE_NAME", "DATA_TYPE", "PRECISION", 
"LITERAL_PREFIX", "LITERAL_SUFFIX",
+            "CREATE_PARAMS", "NULLABLE", "CASE_SENSITIVE", "SEARCHABLE", 
"UNSIGNED_ATTRIBUTE",
+            "FIXED_PREC_SCALE", "AUTO_INCREMENT", "LOCAL_TYPE_NAME", 
"MINIMUM_SCALE", "MAXIMUM_SCALE",
+            "SQL_DATA_TYPE", "SQL_DATETIME_SUB", "NUM_PREC_RADIX"};
+
+        while (res.next()) {
+          for (int i = 0; i < columnNames.length; i++) {
+            Object value = res.getObject(columnNames[i]);
+            if (i == 15 || i == 16) {
+              assertNull(value);
+            } else {
+              assertNotNull(value);
+            }
+          }
+          numTypes++;
+        }
+
+        assertEquals(numTypes, TajoTypeUtil.getTypeInfos().size());
+      } finally {
+        conn.close();
+      }
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestTajoJdbc.java
----------------------------------------------------------------------
diff --git a/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestTajoJdbc.java 
b/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestTajoJdbc.java
new file mode 100644
index 0000000..e6d01fe
--- /dev/null
+++ b/tajo-jdbc/src/test/java/org/apache/tajo/jdbc/TestTajoJdbc.java
@@ -0,0 +1,607 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.tajo.jdbc;
+
+import com.google.common.collect.Maps;
+import org.apache.tajo.*;
+import org.apache.tajo.catalog.CatalogUtil;
+import org.apache.tajo.catalog.Column;
+import org.apache.tajo.catalog.TableDesc;
+import org.apache.tajo.client.QueryStatus;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import java.net.InetSocketAddress;
+import java.sql.*;
+import java.util.*;
+
+import static org.apache.tajo.TajoConstants.DEFAULT_DATABASE_NAME;
+import static org.junit.Assert.*;
+
+@Category(IntegrationTest.class)
+public class TestTajoJdbc extends QueryTestCaseBase {
+  private static InetSocketAddress tajoMasterAddress;
+
+  @BeforeClass
+  public static void setUp() throws Exception {
+    tajoMasterAddress = 
testingCluster.getMaster().getTajoMasterClientService().getBindAddress();
+    Class.forName("org.apache.tajo.jdbc.TajoDriver").newInstance();
+  }
+
+  @AfterClass
+  public static void tearDown() throws Exception {
+  }
+
+  public static String buildConnectionUri(String hostName, int port, String 
databaseName) {
+    return "jdbc:tajo://" + hostName + ":" + port + "/" + databaseName;
+  }
+
+  @Test
+  public void testAcceptURL() throws SQLException {
+    TajoDriver driver = new TajoDriver();
+    assertTrue(driver.acceptsURL("jdbc:tajo:"));
+    assertFalse(driver.acceptsURL("jdbc:taju:"));
+  }
+
+  @Test(expected = SQLException.class)
+  public void testGetConnection() throws SQLException {
+    DriverManager.getConnection("jdbc:taju://" + 
tajoMasterAddress.getHostName() + ":" + tajoMasterAddress.getPort()
+      + "/default");
+  }
+
+  @Test
+  public void testStatement() throws Exception {
+    String connUri = buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+      DEFAULT_DATABASE_NAME);
+    Connection conn = DriverManager.getConnection(connUri);
+    assertTrue(conn.isValid(100));
+
+    Statement stmt = null;
+    ResultSet res = null;
+    try {
+      stmt = conn.createStatement();
+
+      res = stmt.executeQuery("select l_returnflag, l_linestatus, count(*) as 
count_order from lineitem " +
+        "group by l_returnflag, l_linestatus order by l_returnflag, 
l_linestatus");
+
+      try {
+        Map<String, Integer> result = Maps.newHashMap();
+        result.put("NO", 3);
+        result.put("RF", 2);
+
+        assertNotNull(res);
+        assertTrue(res.next());
+        assertTrue(result.get(res.getString(1) + res.getString(2)) == 
res.getInt(3));
+        assertTrue(res.next());
+        assertTrue(result.get(res.getString(1) + res.getString(2)) == 
res.getInt(3));
+        assertFalse(res.next());
+
+        ResultSetMetaData rsmd = res.getMetaData();
+        assertEquals(3, rsmd.getColumnCount());
+        assertEquals("l_returnflag", rsmd.getColumnName(1));
+        assertEquals("l_linestatus", rsmd.getColumnName(2));
+        assertEquals("count_order", rsmd.getColumnName(3));
+      } finally {
+        res.close();
+      }
+    } finally {
+      if (res != null) {
+        res.close();
+      }
+      if (stmt != null) {
+        stmt.close();
+      }
+      if (conn != null) {
+        conn.close();
+      }
+    }
+  }
+
+  @Test
+  public void testPreparedStatement() throws Exception {
+    String connUri = buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+      TajoConstants.DEFAULT_DATABASE_NAME);
+    Connection conn = DriverManager.getConnection(connUri);
+    assertTrue(conn.isValid(100));
+
+    PreparedStatement stmt = null;
+    ResultSet res = null;
+    try {
+      /*
+      test data set
+      1,17.0,N
+      1,36.0,N
+      2,38.0,N
+      3,45.0,R
+      3,49.0,R
+      */
+
+      String sql =
+        "select l_orderkey, l_quantity, l_returnflag from lineitem where 
l_quantity > ? and l_returnflag = ?";
+
+      stmt = conn.prepareStatement(sql);
+
+      stmt.setInt(1, 20);
+      stmt.setString(2, "N");
+
+      res = stmt.executeQuery();
+
+      ResultSetMetaData rsmd = res.getMetaData();
+      assertEquals(3, rsmd.getColumnCount());
+      assertEquals("l_orderkey", rsmd.getColumnName(1));
+      assertEquals("l_quantity", rsmd.getColumnName(2));
+      assertEquals("l_returnflag", rsmd.getColumnName(3));
+
+      try {
+        int numRows = 0;
+        String[] resultData = {"136.0N", "238.0N"};
+        while (res.next()) {
+          assertEquals(resultData[numRows],
+            ("" + res.getObject(1).toString() + res.getObject(2).toString() + 
res.getObject(3).toString()));
+          numRows++;
+        }
+        assertEquals(2, numRows);
+      } finally {
+        res.close();
+      }
+
+      stmt.setInt(1, 20);
+      stmt.setString(2, "R");
+
+      res = stmt.executeQuery();
+
+      rsmd = res.getMetaData();
+      assertEquals(3, rsmd.getColumnCount());
+      assertEquals("l_orderkey", rsmd.getColumnName(1));
+      assertEquals("l_quantity", rsmd.getColumnName(2));
+      assertEquals("l_returnflag", rsmd.getColumnName(3));
+
+      try {
+        int numRows = 0;
+        String[] resultData = {"345.0R", "349.0R"};
+        while (res.next()) {
+          assertEquals(resultData[numRows],
+            ("" + res.getObject(1).toString() + res.getObject(2).toString() + 
res.getObject(3).toString()));
+          numRows++;
+        }
+        assertEquals(2, numRows);
+      } finally {
+        res.close();
+      }
+    } finally {
+      if (res != null) {
+        res.close();
+      }
+      if (stmt != null) {
+        stmt.close();
+      }
+      if (conn != null) {
+        conn.close();
+      }
+    }
+  }
+
+  @Test
+  public void testDatabaseMetaDataGetTable() throws Exception {
+    String connUri = buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+      TajoConstants.DEFAULT_DATABASE_NAME);
+    Connection conn = DriverManager.getConnection(connUri);
+    assertTrue(conn.isValid(100));
+
+    DatabaseMetaData dbmd = conn.getMetaData();
+
+    ResultSet rs = null;
+
+    try {
+      rs = dbmd.getTables("default", null, null, null);
+
+      ResultSetMetaData rsmd = rs.getMetaData();
+      int numCols = rsmd.getColumnCount();
+      assertEquals(5, numCols);
+
+      Set<String> retrivedViaJavaAPI = new 
HashSet<String>(client.getTableList("default"));
+
+      Set<String> retrievedViaJDBC = new HashSet<String>();
+      while (rs.next()) {
+        retrievedViaJDBC.add(rs.getString("TABLE_NAME"));
+      }
+      assertEquals(retrievedViaJDBC, retrivedViaJavaAPI);
+    } finally {
+      if (rs != null) {
+        rs.close();
+      }
+    }
+
+    assertTrue(conn.isValid(100));
+    conn.close();
+  }
+
+  @Test
+  public void testDatabaseMetaDataGetColumns() throws Exception {
+    String connUri = buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+      TajoConstants.DEFAULT_DATABASE_NAME);
+    Connection conn = DriverManager.getConnection(connUri);
+    assertTrue(conn.isValid(100));
+
+    DatabaseMetaData dbmd = conn.getMetaData();
+    ResultSet rs = null;
+
+    try {
+      String tableName = "lineitem";
+      rs = dbmd.getColumns(null, null, tableName, null);
+
+      ResultSetMetaData rsmd = rs.getMetaData();
+      int numCols = rsmd.getColumnCount();
+
+      assertEquals(22, numCols);
+      int numColumns = 0;
+
+      TableDesc tableDesc = 
client.getTableDesc(CatalogUtil.buildFQName(DEFAULT_DATABASE_NAME, tableName));
+      assertNotNull(tableDesc);
+
+      List<Column> columns = tableDesc.getSchema().getRootColumns();
+
+      while (rs.next()) {
+        assertEquals(tableName, rs.getString("TABLE_NAME"));
+        assertEquals(columns.get(numColumns).getSimpleName(), 
rs.getString("COLUMN_NAME"));
+        // TODO assert type
+        numColumns++;
+      }
+
+      assertEquals(16, numColumns);
+    } finally {
+      if (rs != null) {
+        rs.close();
+      }
+    }
+
+    assertTrue(conn.isValid(100));
+    conn.close();
+    assertFalse(conn.isValid(100));
+  }
+
+  @Test
+  public void testMultipleConnections() throws Exception {
+    String connUri = buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+      TajoConstants.DEFAULT_DATABASE_NAME);
+
+    Connection[] conns = new Connection[2];
+    conns[0] = DriverManager.getConnection(connUri);
+    conns[1] = DriverManager.getConnection(connUri);
+
+    try {
+      for (int i = 0; i < conns.length; i++) {
+        Statement stmt = null;
+        ResultSet res = null;
+        try {
+          stmt = conns[i].createStatement();
+
+          res = stmt.executeQuery("select l_returnflag, l_linestatus, count(*) 
as count_order from lineitem " +
+            "group by l_returnflag, l_linestatus order by l_returnflag, 
l_linestatus");
+
+          try {
+            Map<String, Integer> result = Maps.newHashMap();
+            result.put("NO", 3);
+            result.put("RF", 2);
+
+            assertNotNull(res);
+            assertTrue(res.next());
+            assertTrue(result.get(res.getString(1) + res.getString(2)) == 
res.getInt(3));
+            assertTrue(res.next());
+            assertTrue(result.get(res.getString(1) + res.getString(2)) == 
res.getInt(3));
+            assertFalse(res.next());
+
+            ResultSetMetaData rsmd = res.getMetaData();
+            assertEquals(3, rsmd.getColumnCount());
+            assertEquals("l_returnflag", rsmd.getColumnName(1));
+            assertEquals("l_linestatus", rsmd.getColumnName(2));
+            assertEquals("count_order", rsmd.getColumnName(3));
+          } finally {
+            res.close();
+          }
+        } finally {
+          if (res != null) {
+            res.close();
+          }
+          if (stmt != null) {
+            stmt.close();
+          }
+        }
+      }
+    } finally {
+      assertTrue(conns[0].isValid(100));
+      conns[0].close();
+      assertFalse(conns[0].isValid(100));
+      assertTrue(conns[1].isValid(100));
+      conns[1].close();
+      assertFalse(conns[1].isValid(100));
+    }
+  }
+
+  @Test
+  public void testMultipleConnectionsSequentialClose() throws Exception {
+    String connUri = buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+      DEFAULT_DATABASE_NAME);
+
+    Connection[] conns = new Connection[2];
+    conns[0] = DriverManager.getConnection(connUri);
+    conns[1] = DriverManager.getConnection(connUri);
+
+    try {
+      for (int i = 0; i < conns.length; i++) {
+        Statement stmt = null;
+        ResultSet res = null;
+        try {
+          stmt = conns[i].createStatement();
+
+          res = stmt.executeQuery("select l_returnflag, l_linestatus, count(*) 
as count_order from lineitem " +
+            "group by l_returnflag, l_linestatus order by l_returnflag, 
l_linestatus");
+
+          try {
+            Map<String, Integer> result = Maps.newHashMap();
+            result.put("NO", 3);
+            result.put("RF", 2);
+
+            assertNotNull(res);
+            assertTrue(res.next());
+            assertTrue(result.get(res.getString(1) + res.getString(2)) == 
res.getInt(3));
+            assertTrue(res.next());
+            assertTrue(result.get(res.getString(1) + res.getString(2)) == 
res.getInt(3));
+            assertFalse(res.next());
+
+            ResultSetMetaData rsmd = res.getMetaData();
+            assertEquals(3, rsmd.getColumnCount());
+            assertEquals("l_returnflag", rsmd.getColumnName(1));
+            assertEquals("l_linestatus", rsmd.getColumnName(2));
+            assertEquals("count_order", rsmd.getColumnName(3));
+          } finally {
+            res.close();
+          }
+        } finally {
+          if (res != null) {
+            res.close();
+          }
+          if (stmt != null) {
+            stmt.close();
+          }
+          conns[i].close();
+        }
+      }
+    } finally {
+      if (!conns[0].isClosed()) {
+        assertTrue(conns[0].isValid(100));
+        conns[0].close();
+        assertFalse(conns[0].isValid(100));
+      }
+      if (!conns[1].isClosed()) {
+        assertTrue(conns[1].isValid(100));
+        conns[1].close();
+        assertFalse(conns[1].isValid(100));
+      }
+    }
+  }
+
+  @Test
+  public void testCreateTableWithDateAndTimestamp() throws Exception {
+    String tableName = 
CatalogUtil.normalizeIdentifier("testCreateTableWithDateAndTimestamp");
+
+    int result;
+    Statement stmt = null;
+    ResultSet res = null;
+    Connection conn = null;
+    try {
+      String connUri = buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+        DEFAULT_DATABASE_NAME);
+      conn = DriverManager.getConnection(connUri);
+      assertTrue(conn.isValid(100));
+
+      stmt = conn.createStatement();
+      result = stmt.executeUpdate("create table " + tableName + " (id int, 
name text, score double"
+        + ", register_date timestamp, update_date date, send_date time)");
+      assertEquals(result, 1);
+
+      res = stmt.executeQuery("select * from " + tableName);
+      assertFalse(res.next());
+
+      ResultSetMetaData rsmd = res.getMetaData();
+      assertNotNull(rsmd);
+      assertEquals(6, rsmd.getColumnCount());
+
+      assertEquals("id", rsmd.getColumnName(1));
+      assertEquals("name", rsmd.getColumnName(2));
+      assertEquals("score", rsmd.getColumnName(3));
+      assertEquals("register_date", rsmd.getColumnName(4));
+      assertEquals("update_date", rsmd.getColumnName(5));
+      assertEquals("send_date", rsmd.getColumnName(6));
+
+      assertEquals("integer", rsmd.getColumnTypeName(1));
+      assertEquals("varchar", rsmd.getColumnTypeName(2));
+      assertEquals("double", rsmd.getColumnTypeName(3));
+      assertEquals("timestamp", rsmd.getColumnTypeName(4));
+      assertEquals("date", rsmd.getColumnTypeName(5));
+      assertEquals("time", rsmd.getColumnTypeName(6));
+
+    } finally {
+      cleanupQuery(res);
+      if (stmt != null) {
+        stmt.close();
+      }
+
+      if(conn != null) {
+        conn.close();
+      }
+    }
+  }
+
+  @Test
+  public void testSortWithDateTime() throws Exception {
+    Statement stmt = null;
+    ResultSet res = null;
+    Connection conn = null;
+    int result;
+
+    // skip this test if catalog uses HiveCatalogStore.
+    // It is because HiveCatalogStore does not support Time data type.
+    try {
+      if (!testingCluster.isHiveCatalogStoreRunning()) {
+        executeDDL("create_table_with_date_ddl.sql", "table1");
+
+        String connUri = buildConnectionUri(tajoMasterAddress.getHostName(),
+          tajoMasterAddress.getPort(), "TestTajoJdbc");
+
+        conn = DriverManager.getConnection(connUri);
+        assertTrue(conn.isValid(100));
+
+        stmt = conn.createStatement();
+        res = stmt.executeQuery("select col1, col2, col3 from table1 order by 
col1, col2, col3");
+
+        ResultSetMetaData rsmd = res.getMetaData();
+        assertNotNull(rsmd);
+        assertEquals(3, rsmd.getColumnCount());
+
+        assertEquals("timestamp", rsmd.getColumnTypeName(1));
+        assertEquals("date", rsmd.getColumnTypeName(2));
+        assertEquals("time", rsmd.getColumnTypeName(3));
+
+        assertResultSet(res);
+
+        result = stmt.executeUpdate("drop table table1");
+        assertEquals(result, 1);
+
+      }
+    } finally {
+      cleanupQuery(res);
+      if (stmt != null) {
+        stmt.close();
+      }
+
+      if(conn != null) {
+        conn.close();
+      }
+    }
+  }
+
+
+  @Test
+  public void testAlterTableAddPartition() throws Exception {
+    Statement stmt = null;
+    ResultSet resultSet = null;
+    int retCode = 0;
+    Connection conn = null;
+    int result;
+    String errorMessage = null;
+
+    // skip this test if catalog uses HiveCatalogStore.
+    // It is because HiveCatalogStore does not support Time data type.
+    try {
+      if (!testingCluster.isHiveCatalogStoreRunning()) {
+        String connUri = buildConnectionUri(tajoMasterAddress.getHostName(),
+          tajoMasterAddress.getPort(), "TestTajoJdbc");
+
+        conn = DriverManager.getConnection(connUri);
+        assertTrue(conn.isValid(100));
+
+        String tableName = 
CatalogUtil.normalizeIdentifier("testAlterTablePartition");
+        resultSet = executeString(
+          "create table " + tableName + " (col1 int4, col2 int4) partition by 
column(key float8) ");
+        resultSet.close();
+
+        stmt = conn.createStatement();
+        result  = stmt.executeUpdate("alter table " + tableName + " add 
partition (key = 0.1)");
+        assertEquals(result, 1);
+     }
+    } finally {      
+      cleanupQuery(resultSet);
+      if (stmt != null) {
+        stmt.close();
+      }
+
+      if(conn != null) {
+        conn.close();
+      }
+    }
+  }
+
+  @Test
+  public void testMaxRows() throws Exception {
+    String connUri = buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+      DEFAULT_DATABASE_NAME);
+    Connection conn = DriverManager.getConnection(connUri);
+    assertTrue(conn.isValid(100));
+    Statement stmt = null;
+    ResultSet res = null;
+    //Parameter value setting for test.
+    final int maxRowsNum = 3;
+    int resultRowsNum = 0, returnMaxRows = 0;
+    try {
+      stmt = conn.createStatement();
+      //set maxRows(3)
+      stmt.setMaxRows(maxRowsNum);
+      //get MaxRows
+      returnMaxRows = stmt.getMaxRows();
+      res = stmt.executeQuery("select * from lineitem");
+      assertNotNull(res);
+      while (res.next()) {
+        //Actuality result Rows.
+        resultRowsNum++;       
+      }
+      //The test success, if maxRowsNum and resultRowsNum and returnMaxRows is 
same.
+      assertTrue(maxRowsNum == resultRowsNum && maxRowsNum == returnMaxRows);
+    } finally {
+      if (res != null) {
+        cleanupQuery(res);
+      }
+      if (stmt != null) {
+        stmt.close();
+      }
+      if (conn != null) {
+        conn.close();
+      }
+    }
+  }
+
+  @Test
+  public final void testCancel() throws Exception {
+    String connUri = buildConnectionUri(tajoMasterAddress.getHostName(), 
tajoMasterAddress.getPort(),
+        DEFAULT_DATABASE_NAME);
+    Properties props = new Properties();
+    props.setProperty(SessionVars.BLOCK_ON_RESULT.keyname(), "false");
+
+    Connection conn = new JdbcConnection(connUri, props);
+    PreparedStatement statement = conn.prepareStatement("select sleep(1) from 
lineitem");
+    try {
+      assertTrue("should have result set", statement.execute());
+      TajoResultSetBase result = (TajoResultSetBase) statement.getResultSet();
+      Thread.sleep(1000);   // todo query master is not killed properly if 
it's compiling the query (use 100, if you want see)
+      statement.cancel();
+
+      QueryStatus status = client.getQueryStatus(result.getQueryId());
+      assertEquals(TajoProtos.QueryState.QUERY_KILLED, status.getState());
+    } finally {
+      if (statement != null) {
+        statement.close();
+      }
+      if (conn != null) {
+        conn.close();
+      }
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/resources/dataset/TestTajoJdbc/table1/table1.tbl
----------------------------------------------------------------------
diff --git 
a/tajo-jdbc/src/test/resources/dataset/TestTajoJdbc/table1/table1.tbl 
b/tajo-jdbc/src/test/resources/dataset/TestTajoJdbc/table1/table1.tbl
new file mode 100644
index 0000000..52fa2fe
--- /dev/null
+++ b/tajo-jdbc/src/test/resources/dataset/TestTajoJdbc/table1/table1.tbl
@@ -0,0 +1,5 @@
+1997-11-09 20:34:56|1996-04-12|15:34:56
+1997-11-09 20:34:56|1996-03-13|19:34:56
+1993-11-09 20:34:56|1997-01-28|08:34:56
+1995-11-09 20:34:56|1994-02-02|17:34:56
+1995-11-09 20:34:56|1993-11-09|20:34:56

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/resources/queries/TestTajoJdbc/create_table_with_date_ddl.sql
----------------------------------------------------------------------
diff --git 
a/tajo-jdbc/src/test/resources/queries/TestTajoJdbc/create_table_with_date_ddl.sql
 
b/tajo-jdbc/src/test/resources/queries/TestTajoJdbc/create_table_with_date_ddl.sql
new file mode 100644
index 0000000..caeeaf9
--- /dev/null
+++ 
b/tajo-jdbc/src/test/resources/queries/TestTajoJdbc/create_table_with_date_ddl.sql
@@ -0,0 +1,10 @@
+-- Sort Table
+-- It is used in TestSortQuery::testSortWithDate
+
+create external table table1 (
+  col1 timestamp,
+       col2 date,
+       col3 time
+) using text
+with ('text.delimiter'='|', 'text.null'='NULL')
+location ${table.path};
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getSchemas1.result
----------------------------------------------------------------------
diff --git 
a/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getSchemas1.result
 
b/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getSchemas1.result
new file mode 100644
index 0000000..0a013d9
--- /dev/null
+++ 
b/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getSchemas1.result
@@ -0,0 +1,3 @@
+TABLE_SCHEM,TABLE_CATALOG
+-------------------------------
+,jdbc_test1
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getSchemas2.result
----------------------------------------------------------------------
diff --git 
a/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getSchemas2.result
 
b/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getSchemas2.result
new file mode 100644
index 0000000..0a013d9
--- /dev/null
+++ 
b/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getSchemas2.result
@@ -0,0 +1,3 @@
+TABLE_SCHEM,TABLE_CATALOG
+-------------------------------
+,jdbc_test1
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTableTypes.result
----------------------------------------------------------------------
diff --git 
a/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTableTypes.result
 
b/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTableTypes.result
new file mode 100644
index 0000000..29b90ab
--- /dev/null
+++ 
b/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTableTypes.result
@@ -0,0 +1,3 @@
+TABLE_TYPE
+-------------------------------
+TABLE
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTables1.result
----------------------------------------------------------------------
diff --git 
a/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTables1.result
 
b/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTables1.result
new file mode 100644
index 0000000..201d325
--- /dev/null
+++ 
b/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTables1.result
@@ -0,0 +1,4 @@
+TABLE_CAT,TABLE_SCHEM,TABLE_NAME,TABLE_TYPE,REMARKS
+-------------------------------
+jdbc_test3,,table1,TABLE,
+jdbc_test3,,table2,TABLE,
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTables2.result
----------------------------------------------------------------------
diff --git 
a/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTables2.result
 
b/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTables2.result
new file mode 100644
index 0000000..65cde70
--- /dev/null
+++ 
b/tajo-jdbc/src/test/resources/results/TestTajoDatabaseMetaData/getTables2.result
@@ -0,0 +1,4 @@
+TABLE_CAT,TABLE_SCHEM,TABLE_NAME,TABLE_TYPE,REMARKS
+-------------------------------
+Jdbc_Test4,,table3,TABLE,
+Jdbc_Test4,,table4,TABLE,
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/e296a0d1/tajo-jdbc/src/test/resources/results/TestTajoJdbc/testSortWithDateTime.result
----------------------------------------------------------------------
diff --git 
a/tajo-jdbc/src/test/resources/results/TestTajoJdbc/testSortWithDateTime.result 
b/tajo-jdbc/src/test/resources/results/TestTajoJdbc/testSortWithDateTime.result
new file mode 100644
index 0000000..118909c
--- /dev/null
+++ 
b/tajo-jdbc/src/test/resources/results/TestTajoJdbc/testSortWithDateTime.result
@@ -0,0 +1,7 @@
+col1,col2,col3
+-------------------------------
+1993-11-09 20:34:56,1997-01-28,08:34:56
+1995-11-09 20:34:56,1993-11-09,20:34:56
+1995-11-09 20:34:56,1994-02-02,17:34:56
+1997-11-09 20:34:56,1996-03-13,19:34:56
+1997-11-09 20:34:56,1996-04-12,15:34:56
\ No newline at end of file

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