/** It asserts the equality between an original table desc and a restored table desc. */
private static void assertSchemaEquality(String tableName, Schema schema)
throws IOException, TajoException {
Path path = new Path(CommonTestingUtil.getTestDir(), tableName);
TableDesc tableDesc =
new TableDesc(
IdentifierUtil.buildFQName(DEFAULT_DATABASE_NAME, tableName),
schema,
"TEXT",
new KeyValueSet(),
path.toUri());
// schema creation
assertFalse(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
catalog.createTable(tableDesc);
assertTrue(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
// change it for the equals test.
schema.setQualifier(IdentifierUtil.buildFQName(DEFAULT_DATABASE_NAME, tableName));
TableDesc restored = catalog.getTableDesc(DEFAULT_DATABASE_NAME, tableName);
assertEquals(schema, restored.getSchema());
// drop test
catalog.dropTable(IdentifierUtil.buildFQName(DEFAULT_DATABASE_NAME, tableName));
assertFalse(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
}
@Test
public void testEqual() throws Exception {
if (conf.getBoolean("tajo.storage.manager.v2", false)) {
return;
}
this.rndKey = rnd.nextInt(250);
final String QUERY = "select * from employee where managerId = " + rndKey;
FileFragment[] frags =
StorageManager.splitNG(conf, "default.employee", meta, tablePath, Integer.MAX_VALUE);
Path workDir = CommonTestingUtil.getTestDir("target/test-data/testEqual");
TaskAttemptContext ctx =
new TaskAttemptContext(
conf,
LocalTajoTestingUtility.newQueryUnitAttemptId(),
new FileFragment[] {frags[0]},
workDir);
Expr expr = analyzer.parse(QUERY);
LogicalPlan plan = planner.createPlan(LocalTajoTestingUtility.createDummySession(), expr);
LogicalNode rootNode = optimizer.optimize(plan);
TmpPlanner phyPlanner = new TmpPlanner(conf, sm);
PhysicalExec exec = phyPlanner.createPlan(ctx, rootNode);
int tupleCount = this.randomValues.get(rndKey);
int counter = 0;
exec.init();
while (exec.next() != null) {
counter++;
}
exec.close();
assertEquals(tupleCount, counter);
}
@BeforeClass
public static void setUp() throws Exception {
cluster = TpchTestBase.getInstance().getTestingCluster();
conf = cluster.getConfiguration();
client = new TajoClient(conf);
testDir = CommonTestingUtil.getTestDir();
}
@BeforeClass
public static void setUp() throws Exception {
util = new TajoTestingCluster();
util.startCatalogCluster();
catalog = util.getMiniCatalogCluster().getCatalog();
Schema schema = new Schema();
schema.addColumn("name", Type.TEXT);
schema.addColumn("empId", CatalogUtil.newSimpleDataType(Type.INT4));
schema.addColumn("deptName", Type.TEXT);
Schema schema2 = new Schema();
schema2.addColumn("deptName", Type.TEXT);
schema2.addColumn("manager", Type.TEXT);
Schema schema3 = new Schema();
schema3.addColumn("deptName", Type.TEXT);
schema3.addColumn("score", CatalogUtil.newSimpleDataType(Type.INT4));
TableMeta meta = CatalogUtil.newTableMeta(StoreType.CSV);
TableDesc people = new TableDesc("employee", schema, meta, CommonTestingUtil.getTestDir());
catalog.addTable(people);
TableDesc student =
new TableDesc(
"dept", schema2, StoreType.CSV, new Options(), CommonTestingUtil.getTestDir());
catalog.addTable(student);
TableDesc score =
new TableDesc(
"score", schema3, StoreType.CSV, new Options(), CommonTestingUtil.getTestDir());
catalog.addTable(score);
FunctionDesc funcDesc =
new FunctionDesc(
"sumtest",
SumInt.class,
FunctionType.AGGREGATION,
CatalogUtil.newSimpleDataType(Type.INT4),
CatalogUtil.newSimpleDataTypeArray(Type.INT4));
catalog.createFunction(funcDesc);
analyzer = new SQLAnalyzer();
planner = new LogicalPlanner(catalog);
}
private TableDesc createMockupTable(String databaseName, String tableName) throws IOException {
schema1 =
SchemaBuilder.builder()
.add(FieldName1, Type.BLOB)
.add(FieldName2, Type.INT4)
.add(FieldName3, Type.INT8)
.build();
Path path = new Path(CommonTestingUtil.getTestDir(), tableName);
TableDesc table =
new TableDesc(
IdentifierUtil.buildFQName(databaseName, tableName),
schema1,
new TableMeta("TEXT", new KeyValueSet()),
path.toUri(),
true);
return table;
}
@Before
public void setUp() throws Exception {
this.conf = new TajoConf();
util = new TajoTestingCluster();
catalog = util.startCatalogCluster().getCatalog();
testDir = CommonTestingUtil.getTestDir(TEST_PATH);
conf.setVar(TajoConf.ConfVars.WORKER_TEMPORAL_DIR, testDir.toString());
sm = StorageManagerFactory.getStorageManager(conf, testDir);
Schema schema = new Schema();
schema.addColumn("managerId", Type.INT4);
schema.addColumn("empId", Type.INT4);
schema.addColumn("deptName", Type.TEXT);
TableMeta employeeMeta = CatalogUtil.newTableMeta(StoreType.CSV);
Path employeePath = new Path(testDir, "employee.csv");
Appender appender =
StorageManagerFactory.getStorageManager(conf)
.getAppender(employeeMeta, schema, employeePath);
appender.enableStats();
appender.init();
Tuple tuple = new VTuple(schema.getColumnNum());
for (int i = 0; i < numTuple; i++) {
tuple.put(
new Datum[] {
DatumFactory.createInt4(rnd.nextInt(50)),
DatumFactory.createInt4(rnd.nextInt(100)),
DatumFactory.createText("dept_" + i),
});
appender.addTuple(tuple);
}
appender.flush();
appender.close();
System.out.println(
appender.getStats().getNumRows()
+ " rows ("
+ (appender.getStats().getNumBytes() / 1048576)
+ " MB)");
employee = new TableDesc("employee", schema, employeeMeta, employeePath);
catalog.addTable(employee);
analyzer = new SQLAnalyzer();
planner = new LogicalPlanner(catalog);
}
public static TableDesc prepareTable() throws IOException {
relationSchema =
SchemaBuilder.builder()
.add(DEFAULT_DATABASE_NAME + ".indexed.id", Type.INT4)
.add(DEFAULT_DATABASE_NAME + ".indexed.name", Type.TEXT)
.add(DEFAULT_DATABASE_NAME + ".indexed.age", Type.INT4)
.add(DEFAULT_DATABASE_NAME + ".indexed.score", Type.FLOAT8)
.build();
String tableName = "indexed";
TableMeta meta = CatalogUtil.newTableMeta(BuiltinStorages.TEXT, server.getConf());
return new TableDesc(
IdentifierUtil.buildFQName(TajoConstants.DEFAULT_DATABASE_NAME, tableName),
relationSchema,
meta,
new Path(CommonTestingUtil.getTestDir(), "indexed").toUri());
}
@Test
public final void testAddAndDeleteTablePartitionByRange() throws Exception {
Schema schema =
SchemaBuilder.builder()
.add("id", Type.INT4)
.add("name", Type.TEXT)
.add("age", Type.INT4)
.add("score", Type.FLOAT8)
.build();
String tableName =
IdentifierUtil.buildFQName(TajoConstants.DEFAULT_DATABASE_NAME, "addedtable");
KeyValueSet opts = new KeyValueSet();
opts.set("file.delimiter", ",");
TableMeta meta = CatalogUtil.newTableMeta("TEXT", opts);
Schema partSchema = SchemaBuilder.builder().add("id", Type.INT4).build();
PartitionMethodDesc partitionDesc =
new PartitionMethodDesc(
DEFAULT_DATABASE_NAME, tableName, CatalogProtos.PartitionType.RANGE, "id", partSchema);
TableDesc desc =
new TableDesc(
tableName,
schema,
meta,
new Path(CommonTestingUtil.getTestDir(), "addedtable").toUri());
desc.setPartitionMethod(partitionDesc);
assertFalse(catalog.existsTable(tableName));
catalog.createTable(desc);
assertTrue(catalog.existsTable(tableName));
TableDesc retrieved = catalog.getTableDesc(tableName);
assertEquals(retrieved.getName(), tableName);
assertEquals(
retrieved.getPartitionMethod().getPartitionType(), CatalogProtos.PartitionType.RANGE);
assertEquals(
retrieved.getPartitionMethod().getExpressionSchema().getColumn(0).getSimpleName(), "id");
catalog.dropTable(tableName);
assertFalse(catalog.existsTable(tableName));
}
@Test
public final void testRightOuter_MergeJoin3() throws IOException, TajoException {
Expr expr = analyzer.parse(QUERIES[3]);
LogicalNode plan = planner.createPlan(defaultContext, expr).getRootBlock().getRoot();
JoinNode joinNode = PlannerUtil.findTopNode(plan, NodeType.JOIN);
Enforcer enforcer = new Enforcer();
enforcer.enforceJoinAlgorithm(joinNode.getPID(), JoinAlgorithm.MERGE_JOIN);
FileFragment[] emp3Frags =
FileTablespace.splitNG(
conf, EMP3_NAME, emp3.getMeta(), new Path(emp3.getUri()), Integer.MAX_VALUE);
FileFragment[] dep4Frags =
FileTablespace.splitNG(
conf, DEP4_NAME, dep4.getMeta(), new Path(dep4.getUri()), Integer.MAX_VALUE);
FileFragment[] merged = TUtil.concat(emp3Frags, dep4Frags);
Path workDir =
CommonTestingUtil.getTestDir(
TajoTestingCluster.DEFAULT_TEST_DIRECTORY + "/testRightOuter_MergeJoin3");
TaskAttemptContext ctx =
new TaskAttemptContext(
new QueryContext(conf), LocalTajoTestingUtility.newTaskAttemptId(), merged, workDir);
ctx.setEnforcer(enforcer);
PhysicalPlanner phyPlanner = new PhysicalPlannerImpl(conf);
PhysicalExec exec = phyPlanner.createPlan(ctx, plan);
ProjectionExec proj = (ProjectionExec) exec;
assertTrue(proj.getChild() instanceof RightOuterMergeJoinExec);
int count = 0;
exec.init();
while (exec.next() != null) {
// TODO check contents
count = count + 1;
}
assertNull(exec.next());
exec.close();
assertEquals(13, count);
}
@Test
public void testGetTable() throws Exception {
schema1 =
SchemaBuilder.builder()
.add(FieldName1, Type.BLOB)
.add(FieldName2, Type.INT4)
.add(FieldName3, Type.INT8)
.build();
Path path = new Path(CommonTestingUtil.getTestDir(), "table1");
TableDesc meta =
new TableDesc(
IdentifierUtil.buildFQName(DEFAULT_DATABASE_NAME, "getTable"),
schema1,
"TEXT",
new KeyValueSet(),
path.toUri());
assertFalse(catalog.existsTable(DEFAULT_DATABASE_NAME, "getTable"));
catalog.createTable(meta);
assertTrue(catalog.existsTable(DEFAULT_DATABASE_NAME, "getTable"));
catalog.dropTable(IdentifierUtil.buildFQName(DEFAULT_DATABASE_NAME, "getTable"));
assertFalse(catalog.existsTable(DEFAULT_DATABASE_NAME, "getTable"));
}
// TODO: This should be added at TAJO-1891
public final void testAddAndDeleteTablePartitionByColumn() throws Exception {
Schema schema =
SchemaBuilder.builder()
.add("id", Type.INT4)
.add("name", Type.TEXT)
.add("age", Type.INT4)
.add("score", Type.FLOAT8)
.build();
String simpleTableName = "addedtable";
String tableName = IdentifierUtil.buildFQName(DEFAULT_DATABASE_NAME, simpleTableName);
KeyValueSet opts = new KeyValueSet();
opts.set("file.delimiter", ",");
TableMeta meta = CatalogUtil.newTableMeta("TEXT", opts);
Schema partSchema = SchemaBuilder.builder().add("id", Type.INT4).add("name", Type.TEXT).build();
PartitionMethodDesc partitionMethodDesc =
new PartitionMethodDesc(
DEFAULT_DATABASE_NAME,
tableName,
CatalogProtos.PartitionType.COLUMN,
"id,name",
partSchema);
TableDesc desc =
new TableDesc(
tableName,
schema,
meta,
new Path(CommonTestingUtil.getTestDir(), simpleTableName).toUri());
desc.setPartitionMethod(partitionMethodDesc);
assertFalse(catalog.existsTable(tableName));
catalog.createTable(desc);
assertTrue(catalog.existsTable(tableName));
TableDesc retrieved = catalog.getTableDesc(tableName);
assertEquals(retrieved.getName(), tableName);
assertEquals(
retrieved.getPartitionMethod().getPartitionType(), CatalogProtos.PartitionType.COLUMN);
assertEquals(
retrieved.getPartitionMethod().getExpressionSchema().getColumn(0).getSimpleName(), "id");
testAddPartition(tableName, "id=10/name=aaa");
testAddPartition(tableName, "id=20/name=bbb");
List<CatalogProtos.PartitionDescProto> partitions =
catalog.getPartitionsOfTable(DEFAULT_DATABASE_NAME, simpleTableName);
assertNotNull(partitions);
assertEquals(partitions.size(), 2);
assertEquals(partitions.get(0).getNumBytes(), 0L);
testGetPartitionsByAlgebra(DEFAULT_DATABASE_NAME, simpleTableName);
testDropPartition(tableName, "id=10/name=aaa");
testDropPartition(tableName, "id=20/name=bbb");
partitions = catalog.getPartitionsOfTable(DEFAULT_DATABASE_NAME, simpleTableName);
assertNotNull(partitions);
assertEquals(partitions.size(), 0);
catalog.dropTable(tableName);
assertFalse(catalog.existsTable(tableName));
}
@Before
public void setUp() throws Exception {
util = new TajoTestingCluster();
util.initTestDir();
util.startCatalogCluster();
catalog = util.getCatalogService();
testDir = CommonTestingUtil.getTestDir(TEST_PATH);
catalog.createTablespace(DEFAULT_TABLESPACE_NAME, testDir.toUri().toString());
catalog.createDatabase(DEFAULT_DATABASE_NAME, DEFAULT_TABLESPACE_NAME);
conf = util.getConfiguration();
// ----------------- dep3 ------------------------------
// dep_id | dep_name | loc_id
// --------------------------------
// 0 | dep_0 | 1000
// 1 | dep_1 | 1001
// 2 | dep_2 | 1002
// 3 | dep_3 | 1003
// 4 | dep_4 | 1004
// 5 | dep_5 | 1005
// 6 | dep_6 | 1006
// 7 | dep_7 | 1007
// 8 | dep_8 | 1008
// 9 | dep_9 | 1009
Schema dep3Schema = new Schema();
dep3Schema.addColumn("dep_id", Type.INT4);
dep3Schema.addColumn("dep_name", Type.TEXT);
dep3Schema.addColumn("loc_id", Type.INT4);
TableMeta dep3Meta = CatalogUtil.newTableMeta("TEXT");
Path dep3Path = new Path(testDir, "dep3.csv");
Appender appender1 =
((FileTablespace) TablespaceManager.getLocalFs())
.getAppender(dep3Meta, dep3Schema, dep3Path);
appender1.init();
VTuple tuple = new VTuple(dep3Schema.size());
for (int i = 0; i < 10; i++) {
tuple.put(
new Datum[] {
DatumFactory.createInt4(i),
DatumFactory.createText("dept_" + i),
DatumFactory.createInt4(1000 + i)
});
appender1.addTuple(tuple);
}
appender1.flush();
appender1.close();
dep3 = CatalogUtil.newTableDesc(DEP3_NAME, dep3Schema, dep3Meta, dep3Path);
catalog.createTable(dep3);
// ----------------- dep4 ------------------------------
// dep_id | dep_name | loc_id
// --------------------------------
// 0 | dep_0 | 1000
// 1 | dep_1 | 1001
// 2 | dep_2 | 1002
// 3 | dep_3 | 1003
// 4 | dep_4 | 1004
// 5 | dep_5 | 1005
// 6 | dep_6 | 1006
// 7 | dep_7 | 1007
// 8 | dep_8 | 1008
// 9 | dep_9 | 1009
// 10 | dep_10 | 1010
Schema dep4Schema = new Schema();
dep4Schema.addColumn("dep_id", Type.INT4);
dep4Schema.addColumn("dep_name", Type.TEXT);
dep4Schema.addColumn("loc_id", Type.INT4);
TableMeta dep4Meta = CatalogUtil.newTableMeta("TEXT");
Path dep4Path = new Path(testDir, "dep4.csv");
Appender appender4 =
((FileTablespace) TablespaceManager.getLocalFs())
.getAppender(dep4Meta, dep4Schema, dep4Path);
appender4.init();
VTuple tuple4 = new VTuple(dep4Schema.size());
for (int i = 0; i < 11; i++) {
tuple4.put(
new Datum[] {
DatumFactory.createInt4(i),
DatumFactory.createText("dept_" + i),
DatumFactory.createInt4(1000 + i)
});
appender4.addTuple(tuple4);
}
appender4.flush();
appender4.close();
dep4 = CatalogUtil.newTableDesc(DEP4_NAME, dep4Schema, dep4Meta, dep4Path);
catalog.createTable(dep4);
// ----------------- job3 ------------------------------
// job_id | job_title
// ----------------------
// 101 | job_101
// 102 | job_102
// 103 | job_103
Schema job3Schema = new Schema();
job3Schema.addColumn("job_id", Type.INT4);
job3Schema.addColumn("job_title", Type.TEXT);
TableMeta job3Meta = CatalogUtil.newTableMeta("TEXT");
Path job3Path = new Path(testDir, "job3.csv");
Appender appender2 =
((FileTablespace) TablespaceManager.getLocalFs())
.getAppender(job3Meta, job3Schema, job3Path);
appender2.init();
VTuple tuple2 = new VTuple(job3Schema.size());
for (int i = 1; i < 4; i++) {
int x = 100 + i;
tuple2.put(
new Datum[] {DatumFactory.createInt4(100 + i), DatumFactory.createText("job_" + x)});
appender2.addTuple(tuple2);
}
appender2.flush();
appender2.close();
job3 = CatalogUtil.newTableDesc(JOB3_NAME, job3Schema, job3Meta, job3Path);
catalog.createTable(job3);
// ---------------------emp3 --------------------
// emp_id | first_name | last_name | dep_id | salary | job_id
// ------------------------------------------------------------
// 11 | fn_11 | ln_11 | 1 | 123 | 101
// 13 | fn_13 | ln_13 | 3 | 369 | 103
// 15 | fn_15 | ln_15 | 5 | 615 | null
// 17 | fn_17 | ln_17 | 7 | 861 | null
// 19 | fn_19 | ln_19 | 9 | 1107 | null
// 21 | fn_21 | ln_21 | 1 | 123 | 101
// 23 | fn_23 | ln_23 | 3 | 369 | 103
Schema emp3Schema = new Schema();
emp3Schema.addColumn("emp_id", Type.INT4);
emp3Schema.addColumn("first_name", Type.TEXT);
emp3Schema.addColumn("last_name", Type.TEXT);
emp3Schema.addColumn("dep_id", Type.INT4);
emp3Schema.addColumn("salary", Type.FLOAT4);
emp3Schema.addColumn("job_id", Type.INT4);
TableMeta emp3Meta = CatalogUtil.newTableMeta("TEXT");
Path emp3Path = new Path(testDir, "emp3.csv");
Appender appender3 =
((FileTablespace) TablespaceManager.getLocalFs())
.getAppender(emp3Meta, emp3Schema, emp3Path);
appender3.init();
VTuple tuple3 = new VTuple(emp3Schema.size());
for (int i = 1; i < 4; i += 2) {
int x = 10 + i;
tuple3.put(
new Datum[] {
DatumFactory.createInt4(10 + i),
DatumFactory.createText("firstname_" + x),
DatumFactory.createText("lastname_" + x),
DatumFactory.createInt4(i),
DatumFactory.createFloat4(123 * i),
DatumFactory.createInt4(100 + i)
});
appender3.addTuple(tuple3);
int y = 20 + i;
tuple3.put(
new Datum[] {
DatumFactory.createInt4(20 + i),
DatumFactory.createText("firstname_" + y),
DatumFactory.createText("lastname_" + y),
DatumFactory.createInt4(i),
DatumFactory.createFloat4(123 * i),
DatumFactory.createInt4(100 + i)
});
appender3.addTuple(tuple3);
}
for (int i = 5; i < 10; i += 2) {
int x = 10 + i;
tuple3.put(
new Datum[] {
DatumFactory.createInt4(10 + i),
DatumFactory.createText("firstname_" + x),
DatumFactory.createText("lastname_" + x),
DatumFactory.createInt4(i),
DatumFactory.createFloat4(123 * i),
DatumFactory.createNullDatum()
});
appender3.addTuple(tuple3);
}
appender3.flush();
appender3.close();
emp3 = CatalogUtil.newTableDesc(EMP3_NAME, emp3Schema, emp3Meta, emp3Path);
catalog.createTable(emp3);
// ---------------------phone3 --------------------
// emp_id | phone_number
// -----------------------------------------------
// this table is empty, no rows
Schema phone3Schema = new Schema();
phone3Schema.addColumn("emp_id", Type.INT4);
phone3Schema.addColumn("phone_number", Type.TEXT);
TableMeta phone3Meta = CatalogUtil.newTableMeta("TEXT");
Path phone3Path = new Path(testDir, "phone3.csv");
Appender appender5 =
((FileTablespace) TablespaceManager.getLocalFs())
.getAppender(phone3Meta, phone3Schema, phone3Path);
appender5.init();
appender5.flush();
appender5.close();
phone3 = CatalogUtil.newTableDesc(PHONE3_NAME, phone3Schema, phone3Meta, phone3Path);
catalog.createTable(phone3);
analyzer = new SQLAnalyzer();
planner = new LogicalPlanner(catalog, TablespaceManager.getInstance());
defaultContext = LocalTajoTestingUtility.createDummyContext(conf);
}
@Before
public void setup() throws Exception {
this.randomValues = new HashMap<Integer, Integer>();
this.conf = new TajoConf();
util = new TajoTestingCluster();
util.startCatalogCluster();
catalog = util.getMiniCatalogCluster().getCatalog();
Path workDir = CommonTestingUtil.getTestDir();
catalog.createTablespace(DEFAULT_TABLESPACE_NAME, workDir.toUri().toString());
catalog.createDatabase(TajoConstants.DEFAULT_DATABASE_NAME, DEFAULT_TABLESPACE_NAME);
sm = StorageManagerFactory.getStorageManager(conf, workDir);
idxPath = new Path(workDir, "test.idx");
Schema schema = new Schema();
schema.addColumn("managerid", Type.INT4);
schema.addColumn("empid", Type.INT4);
schema.addColumn("deptname", Type.TEXT);
this.idxSchema = new Schema();
idxSchema.addColumn("managerid", Type.INT4);
SortSpec[] sortKeys = new SortSpec[1];
sortKeys[0] = new SortSpec(idxSchema.getColumn("managerid"), true, false);
this.comp = new TupleComparator(idxSchema, sortKeys);
this.writer =
new BSTIndex(conf)
.getIndexWriter(idxPath, BSTIndex.TWO_LEVEL_INDEX, this.idxSchema, this.comp);
writer.setLoadNum(100);
writer.open();
long offset;
meta = CatalogUtil.newTableMeta(StoreType.CSV);
tablePath = StorageUtil.concatPath(workDir, "employee", "table.csv");
fs = tablePath.getFileSystem(conf);
fs.mkdirs(tablePath.getParent());
FileAppender appender =
(FileAppender)
StorageManagerFactory.getStorageManager(conf).getAppender(meta, schema, tablePath);
appender.init();
Tuple tuple = new VTuple(schema.size());
for (int i = 0; i < 10000; i++) {
Tuple key = new VTuple(this.idxSchema.size());
int rndKey = rnd.nextInt(250);
if (this.randomValues.containsKey(rndKey)) {
int t = this.randomValues.remove(rndKey) + 1;
this.randomValues.put(rndKey, t);
} else {
this.randomValues.put(rndKey, 1);
}
key.put(new Datum[] {DatumFactory.createInt4(rndKey)});
tuple.put(
new Datum[] {
DatumFactory.createInt4(rndKey),
DatumFactory.createInt4(rnd.nextInt(10)),
DatumFactory.createText("dept_" + rnd.nextInt(10))
});
offset = appender.getOffset();
appender.addTuple(tuple);
writer.write(key, offset);
}
appender.flush();
appender.close();
writer.close();
TableDesc desc =
new TableDesc(
CatalogUtil.buildFQName(TajoConstants.DEFAULT_DATABASE_NAME, "employee"),
schema,
meta,
sm.getTablePath("employee"));
catalog.createTable(desc);
analyzer = new SQLAnalyzer();
planner = new LogicalPlanner(catalog);
optimizer = new LogicalOptimizer(conf);
}