You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@tajo.apache.org by ji...@apache.org on 2015/06/25 10:09:03 UTC

[11/15] tajo git commit: TAJO-1616: Implement TablespaceManager to load Tablespaces. (missed commits)

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestHashSemiJoinExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestHashSemiJoinExec.java b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestHashSemiJoinExec.java
index ae90502..afa273b 100644
--- a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestHashSemiJoinExec.java
+++ b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestHashSemiJoinExec.java
@@ -84,7 +84,7 @@ public class TestHashSemiJoinExec {
 
     TableMeta employeeMeta = CatalogUtil.newTableMeta("CSV");
     Path employeePath = new Path(testDir, "employee.csv");
-    Appender appender = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(employeeMeta, employeeSchema, employeePath);
     appender.init();
     VTuple tuple = new VTuple(employeeSchema.size());
@@ -110,7 +110,7 @@ public class TestHashSemiJoinExec {
     peopleSchema.addColumn("age", Type.INT4);
     TableMeta peopleMeta = CatalogUtil.newTableMeta("CSV");
     Path peoplePath = new Path(testDir, "people.csv");
-    appender = ((FileTablespace) TableSpaceManager.getLocalFs())
+    appender = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(peopleMeta, peopleSchema, peoplePath);
     appender.init();
     tuple = new VTuple(peopleSchema.size());
@@ -133,7 +133,7 @@ public class TestHashSemiJoinExec {
     people = CatalogUtil.newTableDesc("default.people", peopleSchema, peopleMeta, peoplePath);
     catalog.createTable(people);
     analyzer = new SQLAnalyzer();
-    planner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
     optimizer = new LogicalOptimizer(conf);
   }
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestLeftOuterHashJoinExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestLeftOuterHashJoinExec.java b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestLeftOuterHashJoinExec.java
index bbb441c..c93a1b4 100644
--- a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestLeftOuterHashJoinExec.java
+++ b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestLeftOuterHashJoinExec.java
@@ -105,7 +105,7 @@ public class TestLeftOuterHashJoinExec {
 
     TableMeta dep3Meta = CatalogUtil.newTableMeta("CSV");
     Path dep3Path = new Path(testDir, "dep3.csv");
-    Appender appender1 = ((FileTablespace) TableSpaceManager.getLocalFs()).getAppender(dep3Meta, dep3Schema, dep3Path);
+    Appender appender1 = ((FileTablespace) TablespaceManager.getLocalFs()).getAppender(dep3Meta, dep3Schema, dep3Path);
     appender1.init();
     VTuple tuple = new VTuple(dep3Schema.size());
     for (int i = 0; i < 10; i++) {
@@ -134,7 +134,7 @@ public class TestLeftOuterHashJoinExec {
 
     TableMeta job3Meta = CatalogUtil.newTableMeta("CSV");
     Path job3Path = new Path(testDir, "job3.csv");
-    Appender appender2 = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender2 = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(job3Meta, job3Schema, job3Path);
     appender2.init();
     VTuple tuple2 = new VTuple(job3Schema.size());
@@ -174,7 +174,7 @@ public class TestLeftOuterHashJoinExec {
 
     TableMeta emp3Meta = CatalogUtil.newTableMeta("CSV");
     Path emp3Path = new Path(testDir, "emp3.csv");
-    Appender appender3 = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender3 = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(emp3Meta, emp3Schema, emp3Path);
     appender3.init();
     VTuple tuple3 = new VTuple(emp3Schema.size());
@@ -227,7 +227,7 @@ public class TestLeftOuterHashJoinExec {
 
     TableMeta phone3Meta = CatalogUtil.newTableMeta("CSV");
     Path phone3Path = new Path(testDir, "phone3.csv");
-    Appender appender5 = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender5 = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(phone3Meta, phone3Schema, phone3Path);
     appender5.init();
     
@@ -239,7 +239,7 @@ public class TestLeftOuterHashJoinExec {
 
 
     analyzer = new SQLAnalyzer();
-    planner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
     defaultContext = LocalTajoTestingUtility.createDummyContext(conf);
   }
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestMergeJoinExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestMergeJoinExec.java b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestMergeJoinExec.java
index d0d0983..c4e7752 100644
--- a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestMergeJoinExec.java
+++ b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestMergeJoinExec.java
@@ -85,7 +85,7 @@ public class TestMergeJoinExec {
 
     TableMeta employeeMeta = CatalogUtil.newTableMeta("CSV");
     Path employeePath = new Path(testDir, "employee.csv");
-    Appender appender = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(employeeMeta, employeeSchema, employeePath);
     appender.init();
     VTuple tuple = new VTuple(employeeSchema.size());
@@ -114,7 +114,7 @@ public class TestMergeJoinExec {
     peopleSchema.addColumn("age", Type.INT4);
     TableMeta peopleMeta = CatalogUtil.newTableMeta("CSV");
     Path peoplePath = new Path(testDir, "people.csv");
-    appender = ((FileTablespace) TableSpaceManager.getLocalFs())
+    appender = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(peopleMeta, peopleSchema, peoplePath);
     appender.init();
     tuple = new VTuple(peopleSchema.size());
@@ -139,7 +139,7 @@ public class TestMergeJoinExec {
     people = CatalogUtil.newTableDesc("default.people", peopleSchema, peopleMeta, peoplePath);
     catalog.createTable(people);
     analyzer = new SQLAnalyzer();
-    planner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
   }
 
   @After

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestNLJoinExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestNLJoinExec.java b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestNLJoinExec.java
index 4866323..1b30ef8 100644
--- a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestNLJoinExec.java
+++ b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestNLJoinExec.java
@@ -83,7 +83,7 @@ public class TestNLJoinExec {
 
     TableMeta employeeMeta = CatalogUtil.newTableMeta("CSV");
     Path employeePath = new Path(testDir, "employee.csv");
-    Appender appender = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(employeeMeta, schema, employeePath);
     appender.init();
     VTuple tuple = new VTuple(schema.size());
@@ -107,7 +107,7 @@ public class TestNLJoinExec {
     peopleSchema.addColumn("age", Type.INT4);
     TableMeta peopleMeta = CatalogUtil.newTableMeta("CSV");
     Path peoplePath = new Path(testDir, "people.csv");
-    appender = ((FileTablespace) TableSpaceManager.getLocalFs())
+    appender = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(peopleMeta, peopleSchema, peoplePath);
     appender.init();
     tuple = new VTuple(peopleSchema.size());
@@ -125,7 +125,7 @@ public class TestNLJoinExec {
     people = CatalogUtil.newTableDesc("default.people", peopleSchema, peopleMeta, peoplePath);
     catalog.createTable(people);
     analyzer = new SQLAnalyzer();
-    planner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
 
     masterPlan = new MasterPlan(LocalTajoTestingUtility.newQueryId(), null, null);
   }

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestPhysicalPlanner.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestPhysicalPlanner.java b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestPhysicalPlanner.java
index b2a228a..dff0cbe 100644
--- a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestPhysicalPlanner.java
+++ b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestPhysicalPlanner.java
@@ -98,7 +98,7 @@ public class TestPhysicalPlanner {
     util.startCatalogCluster();
     conf = util.getConfiguration();
     testDir = CommonTestingUtil.getTestDir(TajoTestingCluster.DEFAULT_TEST_DIRECTORY + "/TestPhysicalPlanner");
-    sm = TableSpaceManager.getLocalFs();
+    sm = TablespaceManager.getLocalFs();
     catalog = util.getMiniCatalogCluster().getCatalog();
     catalog.createTablespace(DEFAULT_TABLESPACE_NAME, testDir.toUri().toString());
     catalog.createDatabase(DEFAULT_DATABASE_NAME, DEFAULT_TABLESPACE_NAME);
@@ -164,7 +164,7 @@ public class TestPhysicalPlanner {
     appender.close();
     catalog.createTable(score);
     analyzer = new SQLAnalyzer();
-    planner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
     optimizer = new LogicalOptimizer(conf);
 
     defaultContext = LocalTajoTestingUtility.createDummyContext(conf);
@@ -180,7 +180,7 @@ public class TestPhysicalPlanner {
 
     Schema scoreSchmea = score.getSchema();
     TableMeta scoreLargeMeta = CatalogUtil.newTableMeta("RAW", new KeyValueSet());
-    Appender appender =  ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender =  ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(scoreLargeMeta, scoreSchmea, scoreLargePath);
     appender.enableStats();
     appender.init();
@@ -442,7 +442,7 @@ public class TestPhysicalPlanner {
     exec.next();
     exec.close();
 
-    Scanner scanner =  ((FileTablespace) TableSpaceManager.getLocalFs())
+    Scanner scanner =  ((FileTablespace) TablespaceManager.getLocalFs())
         .getFileScanner(outputMeta, rootNode.getOutSchema(), ctx.getOutputPath());
     scanner.init();
     Tuple tuple;
@@ -502,7 +502,7 @@ public class TestPhysicalPlanner {
     // checking the file contents
     long totalNum = 0;
     for (FileStatus status : fs.listStatus(ctx.getOutputPath().getParent())) {
-      Scanner scanner =  ((FileTablespace) TableSpaceManager.getLocalFs()).getFileScanner(
+      Scanner scanner =  ((FileTablespace) TablespaceManager.getLocalFs()).getFileScanner(
           CatalogUtil.newTableMeta("CSV"),
           rootNode.getOutSchema(),
           status.getPath());
@@ -539,7 +539,7 @@ public class TestPhysicalPlanner {
     exec.next();
     exec.close();
 
-    Scanner scanner = ((FileTablespace) TableSpaceManager.getLocalFs()).getFileScanner(
+    Scanner scanner = ((FileTablespace) TablespaceManager.getLocalFs()).getFileScanner(
         outputMeta, rootNode.getOutSchema(), ctx.getOutputPath());
     scanner.init();
     Tuple tuple;

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestProgressExternalSortExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestProgressExternalSortExec.java b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestProgressExternalSortExec.java
index 1b54948..d1da787 100644
--- a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestProgressExternalSortExec.java
+++ b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestProgressExternalSortExec.java
@@ -86,7 +86,7 @@ public class TestProgressExternalSortExec {
 
     TableMeta employeeMeta = CatalogUtil.newTableMeta("RAW");
     Path employeePath = new Path(testDir, "employee.csv");
-    Appender appender = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(employeeMeta, schema, employeePath);
     appender.enableStats();
     appender.init();
@@ -110,7 +110,7 @@ public class TestProgressExternalSortExec {
         employeePath.toUri());
     catalog.createTable(employee);
     analyzer = new SQLAnalyzer();
-    planner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
   }
 
   @After

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestRightOuterHashJoinExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestRightOuterHashJoinExec.java b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestRightOuterHashJoinExec.java
index c956f29..f581db8 100644
--- a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestRightOuterHashJoinExec.java
+++ b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestRightOuterHashJoinExec.java
@@ -100,7 +100,7 @@ public class TestRightOuterHashJoinExec {
 
     TableMeta dep3Meta = CatalogUtil.newTableMeta("CSV");
     Path dep3Path = new Path(testDir, "dep3.csv");
-    Appender appender1 = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender1 = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(dep3Meta, dep3Schema, dep3Path);
     appender1.init();
     VTuple tuple = new VTuple(dep3Schema.size());
@@ -130,7 +130,7 @@ public class TestRightOuterHashJoinExec {
 
     TableMeta job3Meta = CatalogUtil.newTableMeta("CSV");
     Path job3Path = new Path(testDir, "job3.csv");
-    Appender appender2 = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender2 = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(job3Meta, job3Schema, job3Path);
     appender2.init();
     VTuple tuple2 = new VTuple(job3Schema.size());
@@ -170,7 +170,7 @@ public class TestRightOuterHashJoinExec {
 
     TableMeta emp3Meta = CatalogUtil.newTableMeta("CSV");
     Path emp3Path = new Path(testDir, "emp3.csv");
-    Appender appender3 = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender3 = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(emp3Meta, emp3Schema, emp3Path);
     appender3.init();
     VTuple tuple3 = new VTuple(emp3Schema.size());
@@ -212,7 +212,7 @@ public class TestRightOuterHashJoinExec {
     catalog.createTable(emp3);
 
     analyzer = new SQLAnalyzer();
-    planner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
     defaultContext = LocalTajoTestingUtility.createDummyContext(conf);
   }
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestRightOuterMergeJoinExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestRightOuterMergeJoinExec.java b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestRightOuterMergeJoinExec.java
index 25f0ca4..d86b229 100644
--- a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestRightOuterMergeJoinExec.java
+++ b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestRightOuterMergeJoinExec.java
@@ -107,7 +107,7 @@ public class TestRightOuterMergeJoinExec {
 
     TableMeta dep3Meta = CatalogUtil.newTableMeta("CSV");
     Path dep3Path = new Path(testDir, "dep3.csv");
-    Appender appender1 = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender1 = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(dep3Meta, dep3Schema, dep3Path);
     appender1.init();
     VTuple tuple = new VTuple(dep3Schema.size());
@@ -146,7 +146,7 @@ public class TestRightOuterMergeJoinExec {
 
     TableMeta dep4Meta = CatalogUtil.newTableMeta("CSV");
     Path dep4Path = new Path(testDir, "dep4.csv");
-    Appender appender4 = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender4 = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(dep4Meta, dep4Schema, dep4Path);
     appender4.init();
     VTuple tuple4 = new VTuple(dep4Schema.size());
@@ -178,7 +178,7 @@ public class TestRightOuterMergeJoinExec {
 
     TableMeta job3Meta = CatalogUtil.newTableMeta("CSV");
     Path job3Path = new Path(testDir, "job3.csv");
-    Appender appender2 = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender2 = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(job3Meta, job3Schema, job3Path);
     appender2.init();
     VTuple tuple2 = new VTuple(job3Schema.size());
@@ -218,7 +218,7 @@ public class TestRightOuterMergeJoinExec {
 
     TableMeta emp3Meta = CatalogUtil.newTableMeta("CSV");
     Path emp3Path = new Path(testDir, "emp3.csv");
-    Appender appender3 = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender3 = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(emp3Meta, emp3Schema, emp3Path);
     appender3.init();
     VTuple tuple3 = new VTuple(emp3Schema.size());
@@ -271,7 +271,7 @@ public class TestRightOuterMergeJoinExec {
 
     TableMeta phone3Meta = CatalogUtil.newTableMeta("CSV");
     Path phone3Path = new Path(testDir, "phone3.csv");
-    Appender appender5 = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender5 = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(phone3Meta, phone3Schema, phone3Path);
     appender5.init();
 
@@ -281,7 +281,7 @@ public class TestRightOuterMergeJoinExec {
     catalog.createTable(phone3);
 
     analyzer = new SQLAnalyzer();
-    planner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
 
     defaultContext = LocalTajoTestingUtility.createDummyContext(conf);
   }

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestSortExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestSortExec.java b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestSortExec.java
index ce12faf..4690e71 100644
--- a/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestSortExec.java
+++ b/tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestSortExec.java
@@ -69,7 +69,7 @@ public class TestSortExec {
     util = TpchTestBase.getInstance().getTestingCluster();
     catalog = util.getMaster().getCatalog();
     workDir = CommonTestingUtil.getTestDir(TEST_PATH);
-    sm = TableSpaceManager.getLocalFs();
+    sm = TablespaceManager.getLocalFs();
 
     Schema schema = new Schema();
     schema.addColumn("managerid", Type.INT4);
@@ -81,7 +81,7 @@ public class TestSortExec {
     tablePath = StorageUtil.concatPath(workDir, "employee", "table1");
     sm.getFileSystem().mkdirs(tablePath.getParent());
 
-    Appender appender = ((FileTablespace) TableSpaceManager.getLocalFs())
+    Appender appender = ((FileTablespace) TablespaceManager.getLocalFs())
         .getAppender(employeeMeta, schema, tablePath);
     appender.init();
     VTuple tuple = new VTuple(schema.size());
@@ -101,7 +101,7 @@ public class TestSortExec {
     catalog.createTable(desc);
 
     analyzer = new SQLAnalyzer();
-    planner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
     optimizer = new LogicalOptimizer(conf);
   }
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/engine/query/TestHBaseTable.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/engine/query/TestHBaseTable.java b/tajo-core/src/test/java/org/apache/tajo/engine/query/TestHBaseTable.java
index 3d2d857..569111c 100644
--- a/tajo-core/src/test/java/org/apache/tajo/engine/query/TestHBaseTable.java
+++ b/tajo-core/src/test/java/org/apache/tajo/engine/query/TestHBaseTable.java
@@ -38,7 +38,7 @@ import org.apache.tajo.datum.TextDatum;
 import org.apache.tajo.plan.expr.*;
 import org.apache.tajo.plan.logical.ScanNode;
 import org.apache.tajo.storage.StorageConstants;
-import org.apache.tajo.storage.TableSpaceManager;
+import org.apache.tajo.storage.TablespaceManager;
 import org.apache.tajo.storage.Tablespace;
 import org.apache.tajo.storage.fragment.Fragment;
 import org.apache.tajo.storage.hbase.*;
@@ -82,7 +82,7 @@ public class TestHBaseTable extends QueryTestCaseBase {
     tableSpaceUri = "hbase:zk://" + hostName + ":" + zkPort;
     HBaseTablespace hBaseTablespace = new HBaseTablespace("cluster1", URI.create(tableSpaceUri));
     hBaseTablespace.init(new TajoConf(testingCluster.getHBaseUtil().getConf()));
-    TableSpaceManager.addTableSpaceForTest(hBaseTablespace);
+    TablespaceManager.addTableSpaceForTest(hBaseTablespace);
   }
 
   @AfterClass
@@ -213,7 +213,7 @@ public class TestHBaseTable extends QueryTestCaseBase {
 
     assertTableExists("external_hbase_mapped_table");
 
-    HBaseTablespace space = (HBaseTablespace) TableSpaceManager.getByName("cluster1").get();
+    HBaseTablespace space = (HBaseTablespace) TablespaceManager.getByName("cluster1").get();
     HConnection hconn = space.getConnection();
     HTableInterface htable = hconn.getTable("external_hbase_table");
 
@@ -253,7 +253,7 @@ public class TestHBaseTable extends QueryTestCaseBase {
 
     assertTableExists("external_hbase_mapped_table");
 
-    HBaseTablespace space = (HBaseTablespace) TableSpaceManager.getByName("cluster1").get();
+    HBaseTablespace space = (HBaseTablespace) TablespaceManager.getByName("cluster1").get();
     HConnection hconn = space.getConnection();
     HTableInterface htable = hconn.getTable("external_hbase_table");
 
@@ -306,7 +306,7 @@ public class TestHBaseTable extends QueryTestCaseBase {
 
     assertTableExists("external_hbase_mapped_table");
 
-    HBaseTablespace space = (HBaseTablespace) TableSpaceManager.getByName("cluster1").get();
+    HBaseTablespace space = (HBaseTablespace) TablespaceManager.getByName("cluster1").get();
     HConnection hconn = space.getConnection();
     HTableInterface htable = hconn.getTable("external_hbase_table");
 
@@ -343,7 +343,7 @@ public class TestHBaseTable extends QueryTestCaseBase {
 
     assertTableExists("external_hbase_mapped_table");
 
-    HBaseTablespace space = (HBaseTablespace) TableSpaceManager.getByName("cluster1").get();
+    HBaseTablespace space = (HBaseTablespace) TablespaceManager.getByName("cluster1").get();
     HConnection hconn = space.getConnection();
     HTableInterface htable = hconn.getTable("external_hbase_table");
 
@@ -477,7 +477,7 @@ public class TestHBaseTable extends QueryTestCaseBase {
     EvalNode evalNodeEq = new BinaryEval(EvalType.EQUAL, new FieldEval(tableDesc.getLogicalSchema().getColumn("rk")),
         new ConstEval(new TextDatum("021")));
     scanNode.setQual(evalNodeEq);
-    Tablespace tablespace = TableSpaceManager.getByName("cluster1").get();
+    Tablespace tablespace = TablespaceManager.getByName("cluster1").get();
     List<Fragment> fragments = tablespace.getSplits("hbase_mapped_table", tableDesc, scanNode);
     assertEquals(1, fragments.size());
     assertEquals("021", new String(((HBaseFragment)fragments.get(0)).getStartRow()));
@@ -683,6 +683,48 @@ public class TestHBaseTable extends QueryTestCaseBase {
   }
 
   @Test
+  public void testInsertValues1() throws Exception {
+    executeString("CREATE TABLE hbase_mapped_table (rk text, col1 text, col2 text, col3 int4) " +
+        "TABLESPACE cluster1 USING hbase WITH ('table'='hbase_table', 'columns'=':key,col1:a,col2:,col3:b#b')").close();
+
+    assertTableExists("hbase_mapped_table");
+    TableDesc tableDesc = catalog.getTableDesc(getCurrentDatabase(), "hbase_mapped_table");
+
+    executeString("insert into hbase_mapped_table select 'aaa', 'a12', 'a34', 1").close();
+    executeString("insert into hbase_mapped_table select 'bbb', 'b12', 'b34', 2").close();
+    executeString("insert into hbase_mapped_table select 'ccc', 'c12', 'c34', 3").close();
+    executeString("insert into hbase_mapped_table select 'ddd', 'd12', 'd34', 4").close();
+
+    HTable htable = null;
+    ResultScanner scanner = null;
+    try {
+      htable = new HTable(testingCluster.getHBaseUtil().getConf(), "hbase_table");
+
+      Scan scan = new Scan();
+      scan.addFamily(Bytes.toBytes("col1"));
+      scan.addFamily(Bytes.toBytes("col2"));
+      scan.addFamily(Bytes.toBytes("col3"));
+      scanner = htable.getScanner(scan);
+
+      assertStrings(resultSetToString(scanner,
+          new byte[][]{null, Bytes.toBytes("col1"), Bytes.toBytes("col2"), Bytes.toBytes("col3")},
+          new byte[][]{null, Bytes.toBytes("a"), null, Bytes.toBytes("b")},
+          new boolean[]{false, false, false, true}, tableDesc.getSchema()));
+
+    } finally {
+      executeString("DROP TABLE hbase_mapped_table PURGE").close();
+
+      if (scanner != null) {
+        scanner.close();
+      }
+
+      if (htable != null) {
+        htable.close();
+      }
+    }
+  }
+
+  @Test
   public void testInsertIntoMultiRegion() throws Exception {
     executeString("CREATE TABLE hbase_mapped_table (rk text, col1 text) TABLESPACE cluster1 " +
         "USING hbase WITH ('table'='hbase_table', 'columns'=':key,col1:a', " +
@@ -1301,10 +1343,8 @@ public class TestHBaseTable extends QueryTestCaseBase {
     }
   }
 
-  private String resultSetToString(ResultScanner scanner,
-                                   byte[][] cfNames, byte[][] qualifiers,
-                                   boolean[] binaries,
-                                   Schema schema) throws Exception {
+  private String resultSetToString(ResultScanner scanner, byte[][] cfNames, byte[][] qualifiers,
+                                   boolean [] binaries, Schema schema) throws Exception {
     StringBuilder sb = new StringBuilder();
     Result result = null;
     while ( (result = scanner.next()) != null ) {

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/engine/query/TestJoinQuery.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/engine/query/TestJoinQuery.java b/tajo-core/src/test/java/org/apache/tajo/engine/query/TestJoinQuery.java
index 1478690..dd67e06 100644
--- a/tajo-core/src/test/java/org/apache/tajo/engine/query/TestJoinQuery.java
+++ b/tajo-core/src/test/java/org/apache/tajo/engine/query/TestJoinQuery.java
@@ -264,7 +264,7 @@ public class TestJoinQuery extends QueryTestCaseBase {
         }
         Path dataPath = new Path(table.getUri().toString(), fileIndex + ".csv");
         fileIndex++;
-        appender = (((FileTablespace)TableSpaceManager.getLocalFs()))
+        appender = (((FileTablespace) TablespaceManager.getLocalFs()))
             .getAppender(tableMeta, schema, dataPath);
         appender.init();
       }

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/ha/TestHAServiceHDFSImpl.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/ha/TestHAServiceHDFSImpl.java b/tajo-core/src/test/java/org/apache/tajo/ha/TestHAServiceHDFSImpl.java
index c714749..265f075 100644
--- a/tajo-core/src/test/java/org/apache/tajo/ha/TestHAServiceHDFSImpl.java
+++ b/tajo-core/src/test/java/org/apache/tajo/ha/TestHAServiceHDFSImpl.java
@@ -20,10 +20,13 @@ package org.apache.tajo.ha;
 
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.net.NetUtils;
 import org.apache.tajo.TajoConstants;
 import org.apache.tajo.TajoTestingCluster;
+import org.apache.tajo.TpchTestBase;
 import org.apache.tajo.client.TajoClient;
+import org.apache.tajo.client.TajoClientImpl;
 import org.apache.tajo.conf.TajoConf;
 import org.apache.tajo.master.TajoMaster;
 import org.apache.tajo.service.ServiceTracker;
@@ -32,58 +35,51 @@ import org.junit.Test;
 
 import static junit.framework.Assert.assertTrue;
 import static junit.framework.TestCase.assertEquals;
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertNotEquals;
 
 public class TestHAServiceHDFSImpl  {
   private TajoTestingCluster cluster;
-  private TajoMaster backupMaster;
 
-  private TajoConf conf;
-  private TajoClient client;
+  private TajoMaster primaryMaster;
+  private TajoMaster backupMaster;
 
   private Path haPath, activePath, backupPath;
 
-  private String masterAddress;
-
   @Test
   public final void testAutoFailOver() throws Exception {
-    cluster = new TajoTestingCluster(true);
-
-    cluster.startMiniCluster(1);
-    conf = cluster.getConfiguration();
-    client = cluster.newTajoClient();
+    cluster = TpchTestBase.getInstance().getTestingCluster();
 
     try {
       FileSystem fs = cluster.getDefaultFileSystem();
 
-      ServiceTracker serviceTracker = ServiceTrackerFactory.get(conf);
-      masterAddress = serviceTracker.getUmbilicalAddress().getHostName();
-
-      setConfiguration();
+      TajoConf primaryConf = setConfigForHAMaster();
+      primaryMaster = new TajoMaster();
+      primaryMaster.init(primaryConf);
+      primaryMaster.start();
 
+      TajoConf backupConf = setConfigForHAMaster();
       backupMaster = new TajoMaster();
-      backupMaster.init(conf);
+      backupMaster.init(backupConf);
       backupMaster.start();
 
-      assertNotEquals(cluster.getMaster().getMasterName(), backupMaster.getMasterName());
+      ServiceTracker tracker = ServiceTrackerFactory.get(primaryConf);
 
+      assertNotEquals(primaryMaster.getMasterName(), backupMaster.getMasterName());
       verifySystemDirectories(fs);
 
       assertEquals(2, fs.listStatus(activePath).length);
       assertEquals(1, fs.listStatus(backupPath).length);
 
       assertTrue(fs.exists(new Path(activePath, HAConstants.ACTIVE_LOCK_FILE)));
-      assertTrue(fs.exists(new Path(activePath, cluster.getMaster().getMasterName().replaceAll(":", "_"))));
+      assertTrue(fs.exists(new Path(activePath, primaryMaster.getMasterName().replaceAll(":", "_"))));
       assertTrue(fs.exists(new Path(backupPath, backupMaster.getMasterName().replaceAll(":", "_"))));
 
-      createDatabaseAndTable();
-      verifyDataBaseAndTable();
-      client.close();
+      createDatabaseAndTable(tracker);
+      verifyDataBaseAndTable(tracker);
 
-      cluster.getMaster().stop();
+      primaryMaster.stop();
 
-      client = cluster.newTajoClient();
-      verifyDataBaseAndTable();
+      verifyDataBaseAndTable(tracker);
 
       assertEquals(2, fs.listStatus(activePath).length);
       assertEquals(0, fs.listStatus(backupPath).length);
@@ -91,25 +87,23 @@ public class TestHAServiceHDFSImpl  {
       assertTrue(fs.exists(new Path(activePath, HAConstants.ACTIVE_LOCK_FILE)));
       assertTrue(fs.exists(new Path(activePath, backupMaster.getMasterName().replaceAll(":", "_"))));
     } finally {
-      client.close();
       backupMaster.stop();
-      cluster.shutdownMiniCluster();
     }
   }
 
-  private void setConfiguration() {
-    conf = cluster.getConfiguration();
+  private TajoConf setConfigForHAMaster() {
+    TajoConf conf = new TajoConf(cluster.getConfiguration());
 
     conf.setVar(TajoConf.ConfVars.TAJO_MASTER_CLIENT_RPC_ADDRESS,
-      masterAddress + ":" + NetUtils.getFreeSocketPort());
+        "localhost:" + NetUtils.getFreeSocketPort());
     conf.setVar(TajoConf.ConfVars.TAJO_MASTER_UMBILICAL_RPC_ADDRESS,
-      masterAddress + ":" + NetUtils.getFreeSocketPort());
+        "localhost:" + NetUtils.getFreeSocketPort());
     conf.setVar(TajoConf.ConfVars.RESOURCE_TRACKER_RPC_ADDRESS,
-      masterAddress + ":" + NetUtils.getFreeSocketPort());
+        "localhost:" + NetUtils.getFreeSocketPort());
     conf.setVar(TajoConf.ConfVars.CATALOG_ADDRESS,
-      masterAddress + ":" + NetUtils.getFreeSocketPort());
+        "localhost:" + NetUtils.getFreeSocketPort());
     conf.setVar(TajoConf.ConfVars.TAJO_MASTER_INFO_ADDRESS,
-        masterAddress + ":" + NetUtils.getFreeSocketPort());
+        "localhost:" + NetUtils.getFreeSocketPort());
     conf.setIntVar(TajoConf.ConfVars.REST_SERVICE_PORT,
         NetUtils.getFreeSocketPort());
 
@@ -126,6 +120,8 @@ public class TestHAServiceHDFSImpl  {
     conf.setIntVar(TajoConf.ConfVars.WORKER_RPC_SERVER_WORKER_THREAD_NUM, 2);
     conf.setIntVar(TajoConf.ConfVars.CATALOG_RPC_SERVER_WORKER_THREAD_NUM, 2);
     conf.setIntVar(TajoConf.ConfVars.SHUFFLE_RPC_SERVER_WORKER_THREAD_NUM, 2);
+
+    return conf;
   }
 
   private void verifySystemDirectories(FileSystem fs) throws Exception {
@@ -139,14 +135,26 @@ public class TestHAServiceHDFSImpl  {
     assertTrue(fs.exists(backupPath));
   }
 
-  private void createDatabaseAndTable() throws Exception {
-    client.executeQuery("CREATE TABLE default.table1 (age int);");
-    client.executeQuery("CREATE TABLE default.table2 (age int);");
+  private void createDatabaseAndTable(ServiceTracker tracker) throws Exception {
+    TajoClient client = null;
+    try {
+      client = new TajoClientImpl(tracker);
+      client.executeQuery("CREATE TABLE default.ha_test1 (age int);");
+      client.executeQuery("CREATE TABLE default.ha_test2 (age int);");
+    } finally {
+      IOUtils.cleanup(null, client);
+    }
   }
 
-  private void verifyDataBaseAndTable() throws Exception {
-    client.existDatabase("default");
-    client.existTable("default.table1");
-    client.existTable("default.table2");
+  private void verifyDataBaseAndTable(ServiceTracker tracker) throws Exception {
+    TajoClient client = null;
+    try {
+      client = new TajoClientImpl(tracker);
+      client.existDatabase("default");
+      client.existTable("default.ha_test1");
+      client.existTable("default.ha_test2");
+    } finally {
+      IOUtils.cleanup(null, client);
+    }
   }
 }

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/jdbc/TestResultSet.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/jdbc/TestResultSet.java b/tajo-core/src/test/java/org/apache/tajo/jdbc/TestResultSet.java
index fc25c27..3d32c08 100644
--- a/tajo-core/src/test/java/org/apache/tajo/jdbc/TestResultSet.java
+++ b/tajo-core/src/test/java/org/apache/tajo/jdbc/TestResultSet.java
@@ -66,7 +66,7 @@ public class TestResultSet {
   public static void setup() throws Exception {
     util = TpchTestBase.getInstance().getTestingCluster();
     conf = util.getConfiguration();
-    sm = TableSpaceManager.getDefault();
+    sm = TablespaceManager.getDefault();
 
     scoreSchema = new Schema();
     scoreSchema.addColumn("deptname", Type.TEXT);

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/master/TestExecutionBlockCursor.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/master/TestExecutionBlockCursor.java b/tajo-core/src/test/java/org/apache/tajo/master/TestExecutionBlockCursor.java
index 48966bc..7c61cc7 100644
--- a/tajo-core/src/test/java/org/apache/tajo/master/TestExecutionBlockCursor.java
+++ b/tajo-core/src/test/java/org/apache/tajo/master/TestExecutionBlockCursor.java
@@ -34,7 +34,7 @@ import org.apache.tajo.engine.query.QueryContext;
 import org.apache.tajo.plan.LogicalOptimizer;
 import org.apache.tajo.plan.LogicalPlan;
 import org.apache.tajo.plan.LogicalPlanner;
-import org.apache.tajo.storage.TableSpaceManager;
+import org.apache.tajo.storage.TablespaceManager;
 import org.apache.tajo.util.CommonTestingUtil;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
@@ -79,7 +79,7 @@ public class TestExecutionBlockCursor {
     }
 
     analyzer = new SQLAnalyzer();
-    logicalPlanner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    logicalPlanner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
     optimizer = new LogicalOptimizer(conf);
 
     dispatcher = new AsyncDispatcher();

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/master/TestNonForwardQueryResultSystemScanner.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/master/TestNonForwardQueryResultSystemScanner.java b/tajo-core/src/test/java/org/apache/tajo/master/TestNonForwardQueryResultSystemScanner.java
index 6322732..e8d59d0 100644
--- a/tajo-core/src/test/java/org/apache/tajo/master/TestNonForwardQueryResultSystemScanner.java
+++ b/tajo-core/src/test/java/org/apache/tajo/master/TestNonForwardQueryResultSystemScanner.java
@@ -22,18 +22,17 @@ import static org.junit.Assert.*;
 import static org.hamcrest.CoreMatchers.*;
 
 import java.io.File;
+import java.sql.ResultSet;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.UUID;
 
-import org.apache.tajo.LocalTajoTestingUtility;
-import org.apache.tajo.QueryId;
-import org.apache.tajo.QueryIdFactory;
-import org.apache.tajo.TajoTestingCluster;
+import org.apache.tajo.*;
 import org.apache.tajo.algebra.Expr;
 import org.apache.tajo.benchmark.TPCH;
 import org.apache.tajo.catalog.Schema;
+import org.apache.tajo.client.ResultSetUtil;
 import org.apache.tajo.client.TajoClient;
 import org.apache.tajo.common.TajoDataTypes.Type;
 import org.apache.tajo.conf.TajoConf;
@@ -62,256 +61,21 @@ import org.junit.Test;
 
 import com.google.protobuf.ByteString;
 
-public class TestNonForwardQueryResultSystemScanner {
-  
-  private class CollectionMatcher<T> extends TypeSafeDiagnosingMatcher<Iterable<? extends T>> {
-    
-    private final Matcher<? extends T> matcher;
-    
-    public CollectionMatcher(Matcher<? extends T> matcher) {
-      this.matcher = matcher;
-    }
-
-    @Override
-    public void describeTo(Description description) {
-      description.appendText("a collection containing ").appendDescriptionOf(this.matcher);
-    }
-
-    @Override
-    protected boolean matchesSafely(Iterable<? extends T> item, Description mismatchDescription) {
-      boolean isFirst = true;
-      Iterator<? extends T> iterator = item.iterator();
-      
-      while (iterator.hasNext()) {
-        T obj = iterator.next();
-        if (this.matcher.matches(obj)) {
-          return true;
-        }
-        
-        if (!isFirst) {
-          mismatchDescription.appendText(", ");
-        }
-        
-        this.matcher.describeMismatch(obj, mismatchDescription);
-        isFirst = false;
-      }
-      return false;
-    }
-    
-  }
-  
-  private <T> Matcher<Iterable<? extends T>> hasItem(Matcher<? extends T> matcher) {
-    return new CollectionMatcher<T>(matcher);
-  }
-
-  private static LocalTajoTestingUtility testUtil;
-  private static TajoTestingCluster testingCluster;
-  private static TajoConf conf;
-  private static MasterContext masterContext;
-  
-  private static SQLAnalyzer analyzer;
-  private static LogicalPlanner logicalPlanner;
-  private static LogicalOptimizer logicalOptimizer;
-  
-  private static void setupTestingCluster() throws Exception {
-    testUtil = new LocalTajoTestingUtility();
-    String[] names, paths;
-    Schema[] schemas;
-    
-    TPCH tpch = new TPCH();
-    tpch.loadSchemas();
-    tpch.loadQueries();
-    
-    names = new String[] {"customer", "lineitem", "nation", "orders", "part", "partsupp", 
-        "region", "supplier", "empty_orders"};
-    schemas = new Schema[names.length];
-    for (int i = 0; i < names.length; i++) {
-      schemas[i] = tpch.getSchema(names[i]);
-    }
-
-    File file;
-    paths = new String[names.length];
-    for (int i = 0; i < names.length; i++) {
-      file = new File("src/test/tpch/" + names[i] + ".tbl");
-      if(!file.exists()) {
-        file = new File(System.getProperty("user.dir") + "/tajo-core/src/test/tpch/" + names[i]
-            + ".tbl");
-      }
-      paths[i] = file.getAbsolutePath();
-    }
-    
-    KeyValueSet opt = new KeyValueSet();
-    opt.set(StorageConstants.TEXT_DELIMITER, StorageConstants.DEFAULT_FIELD_DELIMITER);
-    testUtil.setup(names, paths, schemas, opt);
-    
-    testingCluster = testUtil.getTestingCluster();
-  }
-  
-  @BeforeClass
-  public static void setUp() throws Exception {
-    setupTestingCluster();
-    
-    conf = testingCluster.getConfiguration();
-    masterContext = testingCluster.getMaster().getContext();
-    
-    GlobalEngine globalEngine = masterContext.getGlobalEngine();
-    analyzer = globalEngine.getAnalyzer();
-    logicalPlanner = globalEngine.getLogicalPlanner();
-    logicalOptimizer = globalEngine.getLogicalOptimizer();
-  }
-  
-  @AfterClass
-  public static void tearDown() throws Exception {
-    try {
-      Thread.sleep(2000);
-    } catch (Exception ignored) {
-    }
-    
-    testUtil.shutdown();
-  }
-  
-  private NonForwardQueryResultScanner getScanner(String sql) throws Exception {
-    QueryId queryId = QueryIdFactory.newQueryId(masterContext.getResourceManager().getSeedQueryId());
-    String sessionId = UUID.randomUUID().toString();
-    
-    return getScanner(sql, queryId, sessionId);
-  }
-  
-  private NonForwardQueryResultScanner getScanner(String sql, QueryId queryId, String sessionId) throws Exception {
-    QueryContext queryContext = LocalTajoTestingUtility.createDummyContext(conf);
-    
-    Expr expr = analyzer.parse(sql);
-    LogicalPlan logicalPlan = logicalPlanner.createPlan(queryContext, expr);
-    logicalOptimizer.optimize(logicalPlan);
-    
-    int maxRow = Integer.MAX_VALUE;
-    if (logicalPlan.getRootBlock().hasNode(NodeType.LIMIT)) {
-      LimitNode limitNode = logicalPlan.getRootBlock().getNode(NodeType.LIMIT);
-      maxRow = (int) limitNode.getFetchFirstNum();
-    }
-    
-    NonForwardQueryResultScanner queryResultScanner = 
-        new NonForwardQueryResultSystemScanner(masterContext, logicalPlan, queryId,
-            sessionId, maxRow);
-    
-    return queryResultScanner;
-  }
-  
-  @Test
-  public void testInit() throws Exception {
-    QueryId queryId = QueryIdFactory.newQueryId(masterContext.getResourceManager().getSeedQueryId());
-    String sessionId = UUID.randomUUID().toString();
-    NonForwardQueryResultScanner queryResultScanner = 
-        getScanner("SELECT SPACE_ID, SPACE_URI FROM INFORMATION_SCHEMA.TABLESPACE",
-            queryId, sessionId);
-    
-    queryResultScanner.init();
-    
-    assertThat(queryResultScanner.getQueryId(), is(notNullValue()));
-    assertThat(queryResultScanner.getLogicalSchema(), is(notNullValue()));
-    assertThat(queryResultScanner.getSessionId(), is(notNullValue()));
-    assertThat(queryResultScanner.getTableDesc(), is(notNullValue()));
-    
-    assertThat(queryResultScanner.getQueryId(), is(queryId));
-    assertThat(queryResultScanner.getSessionId(), is(sessionId));
-    
-    assertThat(queryResultScanner.getLogicalSchema().size(), is(2));
-    assertThat(queryResultScanner.getLogicalSchema().getColumn("space_id"), is(notNullValue()));
-  }
-  
-  private List<Tuple> getTupleList(RowStoreDecoder decoder, List<ByteString> bytes) {
-    List<Tuple> tuples = new ArrayList<Tuple>(bytes.size());
-    
-    for (ByteString byteString: bytes) {
-      Tuple aTuple = decoder.toTuple(byteString.toByteArray());
-      tuples.add(aTuple);
-    }
-    
-    return tuples;
-  }
-  
-  private <T> Matcher<Tuple> getTupleMatcher(final int fieldId, final Matcher<T> matcher) {
-    return new TypeSafeDiagnosingMatcher<Tuple>() {
-
-      @Override
-      public void describeTo(Description description) {
-        description.appendDescriptionOf(matcher);
-      }
-
-      @Override
-      protected boolean matchesSafely(Tuple item, Description mismatchDescription) {
-        Object itemValue = null;
-
-        Type type = item.type(fieldId);
-        if (type == Type.TEXT) {
-          itemValue = item.getText(fieldId);
-        } else if (type == Type.INT4) {
-          itemValue = item.getInt4(fieldId);
-        } else if (type == Type.INT8) {
-          itemValue = item.getInt8(fieldId);
-        }
-        
-        if (itemValue != null && matcher.matches(itemValue)) {
-          return true;
-        }
-        
-        matcher.describeMismatch(itemValue, mismatchDescription);
-        return false;
-      }
-    };
-  }
-  
+public class TestNonForwardQueryResultSystemScanner extends QueryTestCaseBase {
   @Test
   public void testGetNextRowsForAggregateFunction() throws Exception {
-    NonForwardQueryResultScanner queryResultScanner = 
-        getScanner("SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES");
-    
-    queryResultScanner.init();
-    
-    List<ByteString> rowBytes = queryResultScanner.getNextRows(100);
-    
-    assertThat(rowBytes.size(), is(1));
-    
-    RowStoreDecoder decoder = RowStoreUtil.createDecoder(queryResultScanner.getLogicalSchema());
-    List<Tuple> tuples = getTupleList(decoder, rowBytes);
-    
-    assertThat(tuples.size(), is(1));
-    assertThat(tuples, hasItem(getTupleMatcher(0, is(9L))));
+    assertQueryStr("SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES " +
+        "WHERE TABLE_NAME = 'lineitem' OR TABLE_NAME = 'nation' OR TABLE_NAME = 'customer'");
   }
-  
+
   @Test
   public void testGetNextRowsForTable() throws Exception {
-    NonForwardQueryResultScanner queryResultScanner =
-        getScanner("SELECT TABLE_NAME, TABLE_TYPE FROM INFORMATION_SCHEMA.TABLES");
-    
-    queryResultScanner.init();
-    
-    List<ByteString> rowBytes = queryResultScanner.getNextRows(100);
-    
-    assertThat(rowBytes.size(), is(9));
-    
-    RowStoreDecoder decoder = RowStoreUtil.createDecoder(queryResultScanner.getLogicalSchema());
-    List<Tuple> tuples = getTupleList(decoder, rowBytes);;
-    
-    assertThat(tuples.size(), is(9));
-    assertThat(tuples, hasItem(getTupleMatcher(0, is("lineitem"))));
+    assertQueryStr("SELECT TABLE_NAME, TABLE_TYPE FROM INFORMATION_SCHEMA.TABLES " +
+        "WHERE TABLE_NAME = 'lineitem' OR TABLE_NAME = 'nation' OR TABLE_NAME = 'customer'");
   }
-  
+
   @Test
   public void testGetClusterDetails() throws Exception {
-    NonForwardQueryResultScanner queryResultScanner =
-        getScanner("SELECT TYPE FROM INFORMATION_SCHEMA.CLUSTER");
-    
-    queryResultScanner.init();
-    
-    List<ByteString> rowBytes = queryResultScanner.getNextRows(100);
-    
-    assertThat(rowBytes.size(), is(2));
-    
-    RowStoreDecoder decoder = RowStoreUtil.createDecoder(queryResultScanner.getLogicalSchema());
-    List<Tuple> tuples = getTupleList(decoder, rowBytes);
-    
-    assertThat(tuples.size(), is(2));
-    assertThat(tuples, hasItem(getTupleMatcher(0, is("QueryMaster"))));
+    assertQueryStr("SELECT TYPE FROM INFORMATION_SCHEMA.CLUSTER");
   }
 }

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/querymaster/TestKillQuery.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/querymaster/TestKillQuery.java b/tajo-core/src/test/java/org/apache/tajo/querymaster/TestKillQuery.java
index edddc5a..1351716 100644
--- a/tajo-core/src/test/java/org/apache/tajo/querymaster/TestKillQuery.java
+++ b/tajo-core/src/test/java/org/apache/tajo/querymaster/TestKillQuery.java
@@ -45,7 +45,7 @@ import org.apache.tajo.plan.serder.PlanProto;
 import org.apache.tajo.service.ServiceTracker;
 import org.apache.tajo.session.Session;
 import org.apache.tajo.storage.HashShuffleAppenderManager;
-import org.apache.tajo.storage.TableSpaceManager;
+import org.apache.tajo.storage.TablespaceManager;
 import org.apache.tajo.util.CommonTestingUtil;
 import org.apache.tajo.util.history.HistoryReader;
 import org.apache.tajo.util.history.HistoryWriter;
@@ -105,7 +105,7 @@ public class TestKillQuery {
     Session session = LocalTajoTestingUtility.createDummySession();
     CatalogService catalog = cluster.getMaster().getCatalog();
 
-    LogicalPlanner planner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    LogicalPlanner planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
     LogicalOptimizer optimizer = new LogicalOptimizer(conf);
     Expr expr =  analyzer.parse(queryStr);
     LogicalPlan plan = planner.createPlan(defaultContext, expr);
@@ -169,7 +169,7 @@ public class TestKillQuery {
     Session session = LocalTajoTestingUtility.createDummySession();
     CatalogService catalog = cluster.getMaster().getCatalog();
 
-    LogicalPlanner planner = new LogicalPlanner(catalog, TableSpaceManager.getInstance());
+    LogicalPlanner planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
     LogicalOptimizer optimizer = new LogicalOptimizer(conf);
     Expr expr =  analyzer.parse(queryStr);
     LogicalPlan plan = planner.createPlan(defaultContext, expr);

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/java/org/apache/tajo/storage/TestRowFile.java
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/java/org/apache/tajo/storage/TestRowFile.java b/tajo-core/src/test/java/org/apache/tajo/storage/TestRowFile.java
index 863c7b5..f48a71e 100644
--- a/tajo-core/src/test/java/org/apache/tajo/storage/TestRowFile.java
+++ b/tajo-core/src/test/java/org/apache/tajo/storage/TestRowFile.java
@@ -67,7 +67,7 @@ public class TestRowFile {
 
     TableMeta meta = CatalogUtil.newTableMeta("ROWFILE");
 
-    FileTablespace sm = (FileTablespace) TableSpaceManager.get(cluster.getDefaultFileSystem().getUri()).get();
+    FileTablespace sm = (FileTablespace) TablespaceManager.get(cluster.getDefaultFileSystem().getUri()).get();
 
     Path tablePath = new Path("/test");
     Path metaPath = new Path(tablePath, ".meta");

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/resources/results/TestHBaseTable/testInsertValues1.result
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestHBaseTable/testInsertValues1.result b/tajo-core/src/test/resources/results/TestHBaseTable/testInsertValues1.result
new file mode 100644
index 0000000..45d730a
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestHBaseTable/testInsertValues1.result
@@ -0,0 +1,4 @@
+aaa, a12, {"": "a34"}, 1
+bbb, b12, {"": "b34"}, 2
+ccc, c12, {"": "c34"}, 3
+ddd, d12, {"": "d34"}, 4

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetClusterDetails.result
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetClusterDetails.result b/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetClusterDetails.result
new file mode 100644
index 0000000..9f12294
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetClusterDetails.result
@@ -0,0 +1,4 @@
+type
+-------------------------------
+QueryMaster
+Worker
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetNextRowsForAggregateFunction.result
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetNextRowsForAggregateFunction.result b/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetNextRowsForAggregateFunction.result
new file mode 100644
index 0000000..07dd98b
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetNextRowsForAggregateFunction.result
@@ -0,0 +1,3 @@
+?count_2
+-------------------------------
+3
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetNextRowsForTable.result
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetNextRowsForTable.result b/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetNextRowsForTable.result
new file mode 100644
index 0000000..fd37504
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestNonForwardQueryResultSystemScanner/testGetNextRowsForTable.result
@@ -0,0 +1,5 @@
+table_name,table_type
+-------------------------------
+customer,EXTERNAL
+lineitem,EXTERNAL
+nation,EXTERNAL
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-plan/src/main/java/org/apache/tajo/plan/LogicalPlan.java
----------------------------------------------------------------------
diff --git a/tajo-plan/src/main/java/org/apache/tajo/plan/LogicalPlan.java b/tajo-plan/src/main/java/org/apache/tajo/plan/LogicalPlan.java
index 17f79da..22f4781 100644
--- a/tajo-plan/src/main/java/org/apache/tajo/plan/LogicalPlan.java
+++ b/tajo-plan/src/main/java/org/apache/tajo/plan/LogicalPlan.java
@@ -239,6 +239,14 @@ public class LogicalPlan {
     return queryBlocks.get(ROOT_BLOCK);
   }
 
+  public LogicalRootNode getRootNode() {
+    return queryBlocks.get(ROOT_BLOCK).getRoot();
+  }
+
+  public Schema getOutputSchema() {
+    return getRootNode().getOutSchema();
+  }
+
   public QueryBlock getBlock(String blockName) {
     return queryBlocks.get(blockName);
   }

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-plan/src/main/java/org/apache/tajo/plan/util/PlannerUtil.java
----------------------------------------------------------------------
diff --git a/tajo-plan/src/main/java/org/apache/tajo/plan/util/PlannerUtil.java b/tajo-plan/src/main/java/org/apache/tajo/plan/util/PlannerUtil.java
index 16ca368..441e047 100644
--- a/tajo-plan/src/main/java/org/apache/tajo/plan/util/PlannerUtil.java
+++ b/tajo-plan/src/main/java/org/apache/tajo/plan/util/PlannerUtil.java
@@ -910,6 +910,22 @@ public class PlannerUtil {
     }
   }
 
+  public static TableDesc getOutputTableDesc(LogicalPlan plan) {
+    LogicalNode [] found = findAllNodes(plan.getRootNode().getChild(), NodeType.CREATE_TABLE, NodeType.INSERT);
+
+    if (found.length == 0) {
+      return new TableDesc(null, plan.getRootNode().getOutSchema(), "TEXT", new KeyValueSet(), null);
+    } else {
+      StoreTableNode storeNode = (StoreTableNode) found[0];
+      return new TableDesc(
+          storeNode.getTableName(),
+          storeNode.getOutSchema(),
+          storeNode.getStorageType(),
+          storeNode.getOptions(),
+          storeNode.getUri());
+    }
+  }
+
   public static TableDesc getTableDesc(CatalogService catalog, LogicalNode node) throws IOException {
     if (node.getType() == NodeType.ROOT) {
       node = ((LogicalRootNode)node).getChild();

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/FormatProperty.java
----------------------------------------------------------------------
diff --git a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/FormatProperty.java b/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/FormatProperty.java
index 0f0cd10..547a6f2 100644
--- a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/FormatProperty.java
+++ b/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/FormatProperty.java
@@ -18,14 +18,46 @@
 
 package org.apache.tajo.storage;
 
+/**
+ * Format properties
+ */
 public class FormatProperty {
-  private boolean sortedInsertRequired;
 
-  public FormatProperty(boolean sortedInsertRequired) {
-    this.sortedInsertRequired = sortedInsertRequired;
+  /** if this format supports insert operation */
+  private boolean insertable;
+  /** if this format supports direct insertion (e.g., HBASE or JDBC-based storages) */
+  private boolean directInsert;
+  /** if this format supports staging phase */
+  private boolean stagingSupport;
+
+  public FormatProperty(boolean insertable, boolean directInsert, boolean stagingSupport) {
+    this.insertable = insertable;
+    this.stagingSupport = stagingSupport;
+    this.directInsert = directInsert;
+  }
+
+  /**
+   * Return if this format supports staging phase
+   * @return True if this format supports staging phase
+   */
+  public boolean isInsertable() {
+    return insertable;
+  }
+
+  /**
+   * Return if this format supports direct insertion (e.g., HBASE or JDBC-based storages)
+   * @return True if this format supports direct insertion
+   */
+  public boolean directInsertSupported() {
+    return directInsert;
   }
 
-  public boolean sortedInsertRequired() {
-    return sortedInsertRequired;
+  /**
+   * Return if this format supports staging phase
+   *
+   * @return True if this format supports staging phase
+   */
+  public boolean isStagingSupport() {
+    return stagingSupport;
   }
 }

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/MergeScanner.java
----------------------------------------------------------------------
diff --git a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/MergeScanner.java b/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/MergeScanner.java
index ce573be..67a2f86 100644
--- a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/MergeScanner.java
+++ b/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/MergeScanner.java
@@ -64,7 +64,7 @@ public class MergeScanner implements Scanner {
 
     long numBytes = 0;
     for (Fragment eachFileFragment: rawFragmentList) {
-      long fragmentLength = TableSpaceManager.guessFragmentVolume((TajoConf) conf, eachFileFragment);
+      long fragmentLength = TablespaceManager.guessFragmentVolume((TajoConf) conf, eachFileFragment);
       if (fragmentLength > 0) {
         numBytes += fragmentLength;
         fragments.add(eachFileFragment);
@@ -131,7 +131,7 @@ public class MergeScanner implements Scanner {
   private Scanner getNextScanner() throws IOException {
     if (iterator.hasNext()) {
       currentFragment = iterator.next();
-      currentScanner = TableSpaceManager.getLocalFs().getScanner(meta, schema, currentFragment, target);
+      currentScanner = TablespaceManager.getLocalFs().getScanner(meta, schema, currentFragment, target);
       currentScanner.init();
       return currentScanner;
     } else {

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/OldStorageManager.java
----------------------------------------------------------------------
diff --git a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/OldStorageManager.java b/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/OldStorageManager.java
index 12b236f..ef33a8e 100644
--- a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/OldStorageManager.java
+++ b/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/OldStorageManager.java
@@ -31,7 +31,6 @@ import org.apache.tajo.catalog.Schema;
 import org.apache.tajo.catalog.TableMeta;
 import org.apache.tajo.conf.TajoConf;
 import org.apache.tajo.storage.fragment.Fragment;
-import org.apache.tajo.util.FileUtil;
 
 import java.io.IOException;
 import java.lang.reflect.Constructor;
@@ -158,7 +157,7 @@ public class OldStorageManager {
           Constructor<? extends Tablespace> constructor =
               (Constructor<? extends Tablespace>) CONSTRUCTOR_CACHE.get(storageManagerClass);
           if (constructor == null) {
-            constructor = storageManagerClass.getDeclaredConstructor(TableSpaceManager.TABLESPACE_PARAM);
+            constructor = storageManagerClass.getDeclaredConstructor(TablespaceManager.TABLESPACE_PARAM);
             constructor.setAccessible(true);
             CONSTRUCTOR_CACHE.put(storageManagerClass, constructor);
           }

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/StorageProperty.java
----------------------------------------------------------------------
diff --git a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/StorageProperty.java b/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/StorageProperty.java
index 38d0734..c1db34e 100644
--- a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/StorageProperty.java
+++ b/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/StorageProperty.java
@@ -18,20 +18,39 @@
 
 package org.apache.tajo.storage;
 
+/**
+ * Storage Properties
+ */
 public class StorageProperty {
-  private boolean movable;
-  private boolean writable;
-  private boolean insertable;
-  private boolean absolutePathAllowed;
+  /** default file format */
+  private final String defaultFormat;
+  /** if this storage supports move operator */
+  private final boolean movable;
+  /** if this storage supports is writable */
+  private final boolean writable;
+  /** if this storage allows use of artibrary paths */
+  private final boolean absolutePathAllowed;
+
+  public StorageProperty(String defaultFormat,
+                         boolean movable,
+                         boolean writable,
+                         boolean absolutePathAllowed) {
 
-  public StorageProperty(boolean movable, boolean writable, boolean isInsertable, boolean absolutePathAllowed) {
+    this.defaultFormat = defaultFormat;
     this.movable = movable;
     this.writable = writable;
-    this.insertable = isInsertable;
     this.absolutePathAllowed = absolutePathAllowed;
   }
 
   /**
+   * Return default file format
+   * @return Default file format
+   */
+  public String defaultFormat() {
+    return defaultFormat;
+  }
+
+  /**
    * Move-like operation is allowed
    *
    * @return true if move operation is available
@@ -50,18 +69,9 @@ public class StorageProperty {
   }
 
   /**
-   * this storage supports insert operation?
-   *
-   * @return true if insert operation is allowed.
-   */
-  public boolean isInsertable() {
-    return insertable;
-  }
-
-  /**
    * Does this storage allows the use of arbitrary absolute paths outside tablespace?
    *
-   * @return
+   * @return True if this storage allows accesses to artibrary paths.
    */
   public boolean isArbitraryPathAllowed() {
     return this.absolutePathAllowed;

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/TableSpaceManager.java
----------------------------------------------------------------------
diff --git a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/TableSpaceManager.java b/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/TableSpaceManager.java
deleted file mode 100644
index ef04509..0000000
--- a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/TableSpaceManager.java
+++ /dev/null
@@ -1,390 +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.storage;
-
-import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.collect.Maps;
-import net.minidev.json.JSONObject;
-import net.minidev.json.parser.JSONParser;
-import net.minidev.json.parser.ParseException;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.fs.Path;
-import org.apache.tajo.TajoConstants;
-import org.apache.tajo.conf.TajoConf;
-import org.apache.tajo.storage.fragment.Fragment;
-import org.apache.tajo.util.FileUtil;
-import org.apache.tajo.util.Pair;
-
-import javax.annotation.Nullable;
-import java.io.IOException;
-import java.lang.reflect.Constructor;
-import java.net.URI;
-import java.util.Map;
-import java.util.TreeMap;
-import java.util.UUID;
-
-import static org.apache.tajo.storage.StorageConstants.LOCAL_FS_URI;
-
-/**
- * It handles available table spaces and cache TableSpace instances.
- *
- * Default tablespace must be a filesystem-based one.
- * HDFS and S3 can be a default tablespace if a Tajo cluster is in fully distributed mode.
- * Local file system can be a default tablespace if a Tajo cluster runs on a single machine.
- */
-public class TableSpaceManager implements StorageService {
-  private static final Log LOG = LogFactory.getLog(TableSpaceManager.class);
-
-  public static final String DEFAULT_CONFIG_FILE = "storage-default.json";
-  public static final String SITE_CONFIG_FILE = "storage-site.json";
-
-  /** default tablespace name */
-  public static final String DEFAULT_TABLESPACE_NAME = "default";
-
-  private final static TajoConf systemConf = new TajoConf();
-  private final static JSONParser parser = new JSONParser(JSONParser.MODE_JSON_SIMPLE | JSONParser.IGNORE_CONTROL_CHAR);
-
-  // The relation ship among name, URI, Tablespaces must be kept 1:1:1.
-  protected static final Map<String, URI> SPACES_URIS_MAP = Maps.newHashMap();
-  protected static final TreeMap<URI, Tablespace> TABLE_SPACES = Maps.newTreeMap();
-
-  protected static final Map<Class<?>, Constructor<?>> CONSTRUCTORS = Maps.newHashMap();
-  protected static final Map<String, Class<? extends Tablespace>> TABLE_SPACE_HANDLERS = Maps.newHashMap();
-
-  public static final Class [] TABLESPACE_PARAM = new Class [] {String.class, URI.class};
-
-  static {
-    instance = new TableSpaceManager();
-  }
-  /**
-   * Singleton instance
-   */
-  private static final TableSpaceManager instance;
-
-  private TableSpaceManager() {
-    initForDefaultConfig(); // loading storage-default.json
-    initSiteConfig();       // storage-site.json will override the configs of storage-default.json
-    addWarehouseAsSpace();  // adding a warehouse directory for a default tablespace
-    addLocalFsTablespace(); // adding a tablespace using local file system by default
-  }
-
-  private void addWarehouseAsSpace() {
-    Path warehouseDir = TajoConf.getWarehouseDir(systemConf);
-    registerTableSpace(DEFAULT_TABLESPACE_NAME, warehouseDir.toUri(), null, true, false);
-  }
-
-  private void addLocalFsTablespace() {
-    if (TABLE_SPACES.headMap(LOCAL_FS_URI, true).firstEntry() == null) {
-      String tmpName = UUID.randomUUID().toString();
-      registerTableSpace(tmpName, LOCAL_FS_URI, null, false, false);
-    }
-  }
-
-  public static TableSpaceManager getInstance() {
-    return instance;
-  }
-
-  private void initForDefaultConfig() {
-    JSONObject json = loadFromConfig(DEFAULT_CONFIG_FILE);
-    if (json == null) {
-      throw new IllegalStateException("There is no " + SITE_CONFIG_FILE);
-    }
-    applyConfig(json, false);
-  }
-
-  private void initSiteConfig() {
-    JSONObject json = loadFromConfig(SITE_CONFIG_FILE);
-
-    // if there is no storage-site.json file, nothing happen.
-    if (json != null) {
-      applyConfig(json, true);
-    }
-  }
-
-  private JSONObject loadFromConfig(String fileName) {
-    String json;
-    try {
-      json = FileUtil.readTextFileFromResource(fileName);
-    } catch (IOException e) {
-      throw new RuntimeException(e);
-    }
-
-    if (json != null) {
-      return parseJson(json);
-    } else {
-      return null;
-    }
-  }
-
-  private static JSONObject parseJson(String json) {
-    try {
-      return (JSONObject) parser.parse(json);
-    } catch (ParseException e) {
-      throw new RuntimeException(e);
-    }
-  }
-
-  private void applyConfig(JSONObject json, boolean override) {
-    loadStorages(json);
-    loadTableSpaces(json, override);
-  }
-
-  private void loadStorages(JSONObject json) {
-    JSONObject spaces = (JSONObject) json.get(KEY_STORAGES);
-
-    if (spaces != null) {
-      Pair<String, Class<? extends Tablespace>> pair = null;
-      for (Map.Entry<String, Object> entry : spaces.entrySet()) {
-
-        try {
-          pair = extractStorage(entry);
-        } catch (ClassNotFoundException e) {
-          LOG.warn(e);
-          continue;
-        }
-
-        TABLE_SPACE_HANDLERS.put(pair.getFirst(), pair.getSecond());
-      }
-    }
-  }
-
-  private Pair<String, Class<? extends Tablespace>> extractStorage(Map.Entry<String, Object> entry)
-      throws ClassNotFoundException {
-
-    String storageType = entry.getKey();
-    JSONObject storageDesc = (JSONObject) entry.getValue();
-    String handlerClass = (String) storageDesc.get(KEY_STORAGE_HANDLER);
-
-    return new Pair<String, Class<? extends Tablespace>>(
-        storageType,(Class<? extends Tablespace>) Class.forName(handlerClass));
-  }
-
-  private void loadTableSpaces(JSONObject json, boolean override) {
-    JSONObject spaces = (JSONObject) json.get(KEY_SPACES);
-
-    if (spaces != null) {
-      for (Map.Entry<String, Object> entry : spaces.entrySet()) {
-        AddTableSpace(entry.getKey(), (JSONObject) entry.getValue(), override);
-      }
-    }
-  }
-
-  public static void AddTableSpace(String spaceName, JSONObject spaceDesc, boolean override) {
-    boolean defaultSpace = Boolean.parseBoolean(spaceDesc.getAsString("default"));
-    URI spaceUri = URI.create(spaceDesc.getAsString("uri"));
-
-    if (defaultSpace) {
-      registerTableSpace(DEFAULT_TABLESPACE_NAME, spaceUri, spaceDesc, true, override);
-    }
-    registerTableSpace(spaceName, spaceUri, spaceDesc, true, override);
-  }
-
-  private static void registerTableSpace(String spaceName, URI uri, JSONObject spaceDesc,
-                                         boolean visible, boolean override) {
-    Tablespace tableSpace = initializeTableSpace(spaceName, uri, visible);
-    tableSpace.setVisible(visible);
-
-    try {
-      tableSpace.init(systemConf);
-    } catch (IOException e) {
-      throw new RuntimeException(e);
-    }
-
-    putTablespace(tableSpace, override);
-
-    // If the arbitrary path is allowed, root uri is also added as a tablespace
-    if (tableSpace.getProperty().isArbitraryPathAllowed()) {
-      URI rootUri = tableSpace.getRootUri();
-      // if there already exists or the rootUri is 'file:/', it won't overwrite the tablespace.
-      if (!TABLE_SPACES.containsKey(rootUri) && !rootUri.toString().startsWith(LOCAL_FS_URI.toString())) {
-        String tmpName = UUID.randomUUID().toString();
-        registerTableSpace(tmpName, rootUri, spaceDesc, false, override);
-      }
-    }
-  }
-
-  private static void putTablespace(Tablespace space, boolean override) {
-    // It is a device to keep the relationship among name, URI, and tablespace 1:1:1.
-
-    boolean nameExist = SPACES_URIS_MAP.containsKey(space.getName());
-    boolean uriExist = TABLE_SPACES.containsKey(space.uri);
-
-    boolean mismatch = nameExist && !SPACES_URIS_MAP.get(space.getName()).equals(space.getUri());
-    mismatch = mismatch || uriExist && TABLE_SPACES.get(space.uri).equals(space);
-
-    if (!override && mismatch) {
-      throw new RuntimeException("Name or URI of Tablespace must be unique.");
-    }
-
-    SPACES_URIS_MAP.put(space.getName(), space.getUri());
-    // We must guarantee that the same uri results in the same tablespace instance.
-    TABLE_SPACES.put(space.getUri(), space);
-  }
-
-  /**
-   * Return length of the fragment.
-   * In the UNKNOWN_LENGTH case get FRAGMENT_ALTERNATIVE_UNKNOWN_LENGTH from the configuration.
-   *
-   * @param conf Tajo system property
-   * @param fragment Fragment
-   * @return
-   */
-  public static long guessFragmentVolume(TajoConf conf, Fragment fragment) {
-    if (fragment.getLength() == TajoConstants.UNKNOWN_LENGTH) {
-      return conf.getLongVar(TajoConf.ConfVars.FRAGMENT_ALTERNATIVE_UNKNOWN_LENGTH);
-    } else {
-      return fragment.getLength();
-    }
-  }
-
-  public static final String KEY_STORAGES = "storages"; // storages
-  public static final String KEY_STORAGE_HANDLER = "handler"; // storages/?/handler
-  public static final String KEY_STORAGE_DEFAULT_FORMAT = "default-format"; // storages/?/default-format
-
-  public static final String KEY_SPACES = "spaces";
-
-  private static Tablespace initializeTableSpace(String spaceName, URI uri, boolean visible) {
-    Preconditions.checkNotNull(uri.getScheme(), "URI must include scheme, but it was " + uri);
-    Class<? extends Tablespace> clazz = TABLE_SPACE_HANDLERS.get(uri.getScheme());
-
-    if (clazz == null) {
-      throw new RuntimeException("There is no tablespace for " + uri.toString());
-    }
-
-    try {
-      Constructor<? extends Tablespace> constructor =
-          (Constructor<? extends Tablespace>) CONSTRUCTORS.get(clazz);
-
-      if (constructor == null) {
-        constructor = clazz.getDeclaredConstructor(TABLESPACE_PARAM);
-        constructor.setAccessible(true);
-        CONSTRUCTORS.put(clazz, constructor);
-      }
-
-      return constructor.newInstance(new Object[]{spaceName, uri});
-    } catch (Exception e) {
-      throw new RuntimeException(e);
-    }
-  }
-
-  @VisibleForTesting
-  public static Optional<Tablespace> addTableSpaceForTest(Tablespace space) {
-    Tablespace existing;
-    synchronized (SPACES_URIS_MAP) {
-      // Remove existing one
-      SPACES_URIS_MAP.remove(space.getName());
-      existing = TABLE_SPACES.remove(space.getUri());
-
-      // Add anotherone for test
-      registerTableSpace(space.name, space.uri, null, true, true);
-    }
-    // if there is an existing one, return it.
-    return Optional.fromNullable(existing);
-  }
-
-  public Iterable<String> getSupportSchemes() {
-    return TABLE_SPACE_HANDLERS.keySet();
-  }
-
-  /**
-   * Get tablespace for the given URI. If uri is null, the default tablespace will be returned
-   *
-   * @param uri Table or Table Fragment URI.
-   * @param <T> Tablespace class type
-   * @return Tablespace. If uri is null, the default tablespace will be returned.
-   */
-  public static <T extends Tablespace> Optional<T> get(@Nullable String uri) {
-
-    if (uri == null || uri.isEmpty()) {
-      return (Optional<T>) Optional.of(getDefault());
-    }
-
-    Tablespace lastOne = null;
-
-    // Find the longest matched one. For example, assume that the caller tries to find /x/y/z, and
-    // there are /x and /x/y. In this case, /x/y will be chosen because it is more specific.
-    for (Map.Entry<URI, Tablespace> entry: TABLE_SPACES.headMap(URI.create(uri), true).entrySet()) {
-      if (uri.startsWith(entry.getKey().toString())) {
-        lastOne = entry.getValue();
-      }
-    }
-    return (Optional<T>) Optional.fromNullable(lastOne);
-  }
-
-  /**
-   * Get tablespace for the given URI. If uri is null, the default tablespace will be returned
-   *
-   * @param uri Table or Table Fragment URI.
-   * @param <T> Tablespace class type
-   * @return Tablespace. If uri is null, the default tablespace will be returned.
-   */
-  public static <T extends Tablespace> Optional<T> get(@Nullable URI uri) {
-    if (uri == null) {
-      return (Optional<T>) Optional.of(getDefault());
-    } else {
-      return (Optional<T>) get(uri.toString());
-    }
-  }
-
-  /**
-   * It returns the default tablespace. This method ensures that it always return the tablespace.
-   *
-   * @return
-   */
-  public static <T extends Tablespace> T getDefault() {
-    return (T) getByName(DEFAULT_TABLESPACE_NAME).get();
-  }
-
-  public static <T extends Tablespace> T getLocalFs() {
-    return (T) get(LOCAL_FS_URI).get();
-  }
-
-  public static Optional<? extends Tablespace> getByName(String name) {
-    URI uri = SPACES_URIS_MAP.get(name);
-    if (uri != null) {
-      return Optional.of(TABLE_SPACES.get(uri));
-    } else {
-      return Optional.absent();
-    }
-  }
-
-  public static Optional<? extends Tablespace> getAnyByScheme(String scheme) {
-    for (Map.Entry<URI, Tablespace> entry : TABLE_SPACES.entrySet()) {
-      String uriScheme = entry.getKey().getScheme();
-      if (uriScheme != null && uriScheme.equalsIgnoreCase(scheme)) {
-        return Optional.of(entry.getValue());
-      }
-    }
-
-    return Optional.absent();
-  }
-
-  @Override
-  public URI getTableURI(@Nullable String spaceName, String databaseName, String tableName) {
-    Tablespace space = spaceName == null ? getDefault() : getByName(spaceName).get();
-    return space.getTableUri(databaseName, tableName);
-  }
-
-  public static Iterable<Tablespace> getAllTablespaces() {
-    return TABLE_SPACES.values();
-  }
-}

http://git-wip-us.apache.org/repos/asf/tajo/blob/90afaa46/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/Tablespace.java
----------------------------------------------------------------------
diff --git a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/Tablespace.java b/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/Tablespace.java
index 77c5d05..52e223d 100644
--- a/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/Tablespace.java
+++ b/tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/Tablespace.java
@@ -18,9 +18,11 @@
 
 package org.apache.tajo.storage;
 
+import com.google.common.base.Optional;
 import org.apache.hadoop.fs.Path;
 import org.apache.tajo.ExecutionBlockId;
 import org.apache.tajo.OverridableConf;
+import org.apache.tajo.QueryVars;
 import org.apache.tajo.TaskAttemptId;
 import org.apache.tajo.catalog.Schema;
 import org.apache.tajo.catalog.SortSpec;
@@ -149,7 +151,7 @@ public abstract class Tablespace {
    */
   public abstract StorageProperty getProperty();
 
-  public abstract FormatProperty getFormatProperty(String dataFormat);
+  public abstract FormatProperty getFormatProperty(TableMeta meta);
 
   /**
    * Release storage manager resource
@@ -259,6 +261,14 @@ public abstract class Tablespace {
     return scanner;
   }
 
+  public Appender getAppenderForInsertRow(OverridableConf queryContext,
+                                          TaskAttemptId taskAttemptId,
+                                          TableMeta meta,
+                                          Schema schema,
+                                          Path workDir) throws IOException {
+    return getAppender(queryContext, taskAttemptId, meta, schema, workDir);
+  }
+
   /**
    * Returns Appender instance.
    * @param queryContext Query property.
@@ -395,4 +405,11 @@ public abstract class Tablespace {
       return false;
     }
   }
+
+  public abstract URI getStagingUri(OverridableConf context, String queryId, TableMeta meta) throws IOException;
+
+  public URI prepareStagingSpace(TajoConf conf, String queryId, OverridableConf context,
+                                 TableMeta meta) throws IOException {
+    throw new IOException("Staging the output result is not supported in this storage");
+  }
 }