@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);
}
private final void assertPathOfCreatedTable(
final String databaseName,
final String originalTableName,
final String newTableName,
String createTableStmt)
throws Exception {
// create one table
executeString("CREATE DATABASE " + CatalogUtil.denormalizeIdentifier(databaseName)).close();
getClient().existDatabase(CatalogUtil.denormalizeIdentifier(databaseName));
final String oldFQTableName = CatalogUtil.buildFQName(databaseName, originalTableName);
ResultSet res = executeString(createTableStmt);
res.close();
assertTableExists(oldFQTableName);
TableDesc oldTableDesc = client.getTableDesc(oldFQTableName);
// checking the existence of the table directory and validating the path
Path warehouseDir = TajoConf.getWarehouseDir(testingCluster.getConfiguration());
FileSystem fs = warehouseDir.getFileSystem(testingCluster.getConfiguration());
assertTrue(fs.exists(new Path(oldTableDesc.getUri())));
assertEquals(
StorageUtil.concatPath(warehouseDir, databaseName, originalTableName),
new Path(oldTableDesc.getUri()));
// Rename
client.executeQuery(
"ALTER TABLE "
+ CatalogUtil.denormalizeIdentifier(oldFQTableName)
+ " RENAME to "
+ CatalogUtil.denormalizeIdentifier(newTableName));
// checking the existence of the new table directory and validating the path
final String newFQTableName = CatalogUtil.buildFQName(databaseName, newTableName);
TableDesc newTableDesc = client.getTableDesc(newFQTableName);
assertTrue(fs.exists(new Path(newTableDesc.getUri())));
assertEquals(
StorageUtil.concatPath(warehouseDir, databaseName, newTableName),
new Path(newTableDesc.getUri()));
}