How to use

dropCube

method

in

org.apache.lens.cube.metadata.CubeMetastoreClient

/**
 * Drop a cube from the metastore in the currently deleted database
 *
 * @param cubeName cube name
 */
public void dropCube(LensSessionHandle sessionid, String cubeName) throws LensException {
 try (SessionContext ignored = new SessionContext(sessionid)) {
  getClient(sessionid).dropCube(cubeName);
 }
}

@AfterClass
public static void teardown() throws Exception {
 // Drop the cube
 client.dropCube(CUBE_NAME);
 client.dropCube(VIRTUAL_CUBE_NAME);
 client = CubeMetastoreClient.getInstance(conf);
 assertFalse(client.tableExists(CUBE_NAME));
 Hive.get().dropDatabase(TestCubeMetastoreClient.class.getSimpleName(), true, true, true);
 CubeMetastoreClient.close();
}

assertNotNull(dcube2.getDimAttributeByName("dim1"));
assertTrue(dcube2.allFieldsQueriable());
client.dropCube(derivedCubeName);
client.dropCube(cubeName);

cube2.getProperties().get("cube.col.dim1.tags.category").equals("cube.col.dim1.tags.test");
client.dropCube(cubename);

@Test(priority = 2)
public void testAlterDerivedCube() throws Exception {
 String name = "alter_derived_cube";
 client.createDerivedCube(CUBE_NAME, name, measures, dimensions, emptyHashMap, 0L);
 // Test alter cube
 Table cubeTbl = client.getHiveTable(name);
 DerivedCube toAlter = new DerivedCube(cubeTbl, (Cube) client.getCube(CUBE_NAME));
 toAlter.addMeasure("msr4");
 toAlter.removeMeasure("msr3");
 toAlter.addDimension("dim1StartTime");
 toAlter.removeDimension("dim1");
 assertNotNull(toAlter.getMeasureByName("msr4"));
 assertNotNull(toAlter.getMeasureByName("msr2"));
 assertNull(toAlter.getMeasureByName("msr3"));
 assertNotNull(toAlter.getDimAttributeByName("dim1StartTime"));
 assertNotNull(toAlter.getDimAttributeByName("dim2"));
 assertNull(toAlter.getDimAttributeByName("dim1"));
 client.alterCube(name, toAlter);
 DerivedCube altered = (DerivedCube) client.getCube(name);
 assertEquals(toAlter, altered);
 assertNotNull(altered.getMeasureByName("msr4"));
 CubeMeasure addedMsr = altered.getMeasureByName("msr4");
 assertEquals(addedMsr.getType(), "bigint");
 assertNotNull(altered.getDimAttributeByName("dim1StartTime"));
 BaseDimAttribute addedDim = (BaseDimAttribute) altered.getDimAttributeByName("dim1StartTime");
 assertEquals(addedDim.getType(), "string");
 assertNotNull(addedDim.getStartTime());
 client.dropCube(name);
 assertFalse(client.tableExists(name));
}