@Test
public void testCreateSameTables() throws IOException, TajoException {
catalog.createDatabase("tmpdb3", TajoConstants.DEFAULT_TABLESPACE_NAME);
assertTrue(catalog.existDatabase("tmpdb3"));
catalog.createDatabase("tmpdb4", TajoConstants.DEFAULT_TABLESPACE_NAME);
assertTrue(catalog.existDatabase("tmpdb4"));
TableDesc table1 = createMockupTable("tmpdb3", "table1");
catalog.createTable(table1);
TableDesc table2 = createMockupTable("tmpdb3", "table2");
catalog.createTable(table2);
assertTrue(catalog.existsTable("tmpdb3", "table1"));
assertTrue(catalog.existsTable("tmpdb3", "table2"));
TableDesc table3 = createMockupTable("tmpdb4", "table1");
catalog.createTable(table3);
TableDesc table4 = createMockupTable("tmpdb4", "table2");
catalog.createTable(table4);
assertTrue(catalog.existsTable("tmpdb4", "table1"));
assertTrue(catalog.existsTable("tmpdb4", "table2"));
catalog.dropTable("tmpdb3.table1");
catalog.dropTable("tmpdb3.table2");
catalog.dropTable("tmpdb4.table1");
catalog.dropTable("tmpdb4.table2");
assertFalse(catalog.existsTable("tmpdb3.table1"));
assertFalse(catalog.existsTable("tmpdb3.table2"));
assertFalse(catalog.existsTable("tmpdb4.table1"));
assertFalse(catalog.existsTable("tmpdb4.table2"));
}
@Test
public void testCreateAndDropTable() throws Exception {
catalog.createDatabase("tmpdb1", TajoConstants.DEFAULT_TABLESPACE_NAME);
assertTrue(catalog.existDatabase("tmpdb1"));
catalog.createDatabase("tmpdb2", TajoConstants.DEFAULT_TABLESPACE_NAME);
assertTrue(catalog.existDatabase("tmpdb2"));
TableDesc table1 = createMockupTable("tmpdb1", "table1");
catalog.createTable(table1);
TableDesc table2 = createMockupTable("tmpdb2", "table2");
catalog.createTable(table2);
Set<String> tmpdb1 = Sets.newHashSet(catalog.getAllTableNames("tmpdb1"));
assertEquals(1, tmpdb1.size());
assertTrue(tmpdb1.contains("table1"));
Set<String> tmpdb2 = Sets.newHashSet(catalog.getAllTableNames("tmpdb2"));
assertEquals(1, tmpdb2.size());
assertTrue(tmpdb2.contains("table2"));
catalog.dropDatabase("tmpdb1");
assertFalse(catalog.existDatabase("tmpdb1"));
tmpdb2 = Sets.newHashSet(catalog.getAllTableNames("tmpdb2"));
assertEquals(1, tmpdb2.size());
assertTrue(tmpdb2.contains("table2"));
catalog.dropDatabase("tmpdb2");
assertFalse(catalog.existDatabase("tmpdb2"));
}
@Test
public void testCreateAndDropManyDatabases() throws Exception {
List<String> createdDatabases = new ArrayList<>();
InfoSchemaMetadataDictionary dictionary = new InfoSchemaMetadataDictionary();
String namePrefix = "database_";
final int NUM = 10;
for (int i = 0; i < NUM; i++) {
String databaseName = namePrefix + i;
assertFalse(catalog.existDatabase(databaseName));
catalog.createDatabase(databaseName, TajoConstants.DEFAULT_TABLESPACE_NAME);
assertTrue(catalog.existDatabase(databaseName));
createdDatabases.add(databaseName);
}
Collection<String> allDatabaseNames = catalog.getAllDatabaseNames();
for (String databaseName : allDatabaseNames) {
assertTrue(
databaseName.equals(DEFAULT_DATABASE_NAME)
|| createdDatabases.contains(databaseName)
|| dictionary.isSystemDatabase(databaseName));
}
// additional ones are 'default' and 'system' databases.
assertEquals(NUM + 2, allDatabaseNames.size());
Collections.shuffle(createdDatabases);
for (String tobeDropped : createdDatabases) {
assertTrue(catalog.existDatabase(tobeDropped));
catalog.dropDatabase(tobeDropped);
assertFalse(catalog.existDatabase(tobeDropped));
}
}
@Test
public void testCreateAndDropDatabases() throws Exception {
assertFalse(catalog.existDatabase("testCreateAndDropDatabases"));
catalog.createDatabase("testCreateAndDropDatabases", TajoConstants.DEFAULT_TABLESPACE_NAME);
assertTrue(catalog.existDatabase("testCreateAndDropDatabases"));
catalog.dropDatabase("testCreateAndDropDatabases");
}
private Map<String, List<String>> createBaseDatabaseAndTables()
throws IOException, TajoException {
Map<String, List<String>> createdDatabaseAndTablesMap = new HashMap<>();
// add and divide all tables to multiple databases in a round robin manner
for (int tableId = 0; tableId < TOTAL_TABLE_NUM; tableId++) {
int dbIdx = tableId % DB_NUM;
String databaseName = dbPrefix + dbIdx;
if (!catalog.existDatabase(databaseName)) {
catalog.createDatabase(databaseName, TajoConstants.DEFAULT_TABLESPACE_NAME);
}
String tableName = tablePrefix + tableId;
TableDesc table = createMockupTable(databaseName, tableName);
catalog.createTable(table);
TUtil.putToNestedList(createdDatabaseAndTablesMap, databaseName, tableName);
}
// checking all tables for each database
for (int dbIdx = 0; dbIdx < DB_NUM; dbIdx++) {
String databaseName = dbPrefix + dbIdx;
Collection<String> tableNames = catalog.getAllTableNames(databaseName);
assertTrue(createdDatabaseAndTablesMap.containsKey(databaseName));
assertEquals(createdDatabaseAndTablesMap.get(databaseName).size(), tableNames.size());
for (String tableName : tableNames) {
assertTrue(createdDatabaseAndTablesMap.get(databaseName).contains(tableName));
}
}
return createdDatabaseAndTablesMap;
}
@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);
}