How to use

alterCubeFactTable

method

in

org.apache.lens.cube.metadata.CubeMetastoreClient

/**
 * Alter a virtual cube fact with new definition
 * @param cubeVirtualFactTable  cube virtual fact table
 * @throws HiveException
 */
public void alterVirtualCubeFactTable(CubeVirtualFactTable cubeVirtualFactTable)
 throws HiveException, LensException {
 alterCubeFactTable(cubeVirtualFactTable.getName(), cubeVirtualFactTable, null, new HashMap<>());
}

/**
 * Alter a virtual cube fact with new definition
 * @param cubeVirtualFactTable  cube virtual fact table
 * @throws HiveException
 */
public void alterVirtualCubeFactTable(CubeVirtualFactTable cubeVirtualFactTable)
 throws HiveException, LensException {
 alterCubeFactTable(cubeVirtualFactTable.getName(), cubeVirtualFactTable, null, new HashMap<>());
}

@Override
public void updateFactTable(LensSessionHandle sessionid, XFact fact) throws LensException {
 try (SessionContext ignored = new SessionContext(sessionid)){
  getClient(sessionid).alterCubeFactTable(fact);
  log.info("Updated fact table " + fact.getName());
 } catch (HiveException e) {
  throw new LensException(e);
 }
}

public void alterCubeFactTable(XFact fact) throws LensException, HiveException {
 if (fact instanceof XVirtualFactTable) {
  XVirtualFactTable xvf = (XVirtualFactTable) fact;
  alterCubeFactTable(xvf.getName(), JAXBUtils.cubeVirtualFactFromFactTable(xvf,
   getFactTable(xvf.getSourceFactName())), null, new HashMap<>());
 } else {
  XFactTable xf = (XFactTable) fact;
  alterCubeFactTable(fact.getName(), JAXBUtils.cubeFactFromFactTable(xf),
   JAXBUtils.tableDescPrefixMapFromXStorageTables(xf.getStorageTables()),
   JAXBUtils.columnStartAndEndTimeFromXColumns(xf.getColumns()));
 }
}

public void alterCubeFactTable(XFact fact) throws LensException, HiveException {
 if (fact instanceof XVirtualFactTable) {
  XVirtualFactTable xvf = (XVirtualFactTable) fact;
  alterCubeFactTable(xvf.getName(), JAXBUtils.cubeVirtualFactFromFactTable(xvf,
   getFactTable(xvf.getSourceFactName())), null, new HashMap<>());
 } else {
  XFactTable xf = (XFactTable) fact;
  alterCubeFactTable(fact.getName(), JAXBUtils.cubeFactFromFactTable(xf),
   JAXBUtils.tableDescPrefixMapFromXStorageTables(xf.getStorageTables()),
   JAXBUtils.columnStartAndEndTimeFromXColumns(xf.getColumns()));
 }
}

public <T extends Equals & HashCode & ToString> void updateEntity(String name, T entity)
 throws LensException, HiveException {
 if (entity instanceof XStorage) {
  alterStorage((XStorage) entity);
 } else if (entity instanceof XCube) {
  alterCube((XCube)entity);
 } else if (entity instanceof XDimension) {
  alterDimension((XDimension) entity);
 } else if (entity instanceof XFact) {
  alterCubeFactTable((XFact) entity);
 } else if (entity instanceof XDimensionTable) {
  alterCubeDimensionTable((XDimensionTable) entity);
 } else if (entity instanceof XSegmentation) {
  alterSegmentation((XSegmentation) entity);
 } else {
  throw new LensException("Unable to alter entity " + entity + " as it's unrecognizable: " + entity.getClass());
 }
}

public <T extends Equals & HashCode & ToString> void updateEntity(String name, T entity)
 throws LensException, HiveException {
 if (entity instanceof XStorage) {
  alterStorage((XStorage) entity);
 } else if  (entity instanceof XCube) {
  alterCube((XCube)entity);
 } else if (entity instanceof XDimension) {
  alterDimension((XDimension) entity);
 } else if (entity instanceof XFact) {
  alterCubeFactTable((XFact) entity);
 } else if (entity instanceof XDimensionTable) {
  alterCubeDimensionTable((XDimensionTable) entity);
 } else if (entity instanceof XSegmentation) {
  alterSegmentation((XSegmentation) entity);
 } else {
  throw new LensException("Unable to alter entity " + entity + " as it's unrecognizable: " + entity.getClass());
 }
}

factTable.alterStorage(c2, alterupdates);
client.alterCubeFactTable(factName, factTable, storageTables, new HashMap<String, String>());
updatePeriodStoragePrefix.put(DAILY, c4);
factTable.addStorage(c4, hourlyAndDaily, updatePeriodStoragePrefix);
client.alterCubeFactTable(factName, factTable, storageTables, new HashMap<String, String>());
CubeFactTable altered2 = client.getCubeFactTable(factName);
assertTrue(client.tableExists(c1TableName));

sourceFact.alterColumn(newcol);
sourceFact.alterWeight(100);
client.alterCubeFactTable(sourceFact.getName(), sourceFact, storageTables, new HashMap<String, String>());
actualcubeVirtualFact = (CubeVirtualFactTable) client.getFactTable(virtualFactName);
assertTrue(actualcubeVirtualFact.getColumns().contains(newcol));

client.alterCubeFactTable(cubeFact.getName(), cubeFact, storageTables, new HashMap<String, String>());
String storageTableName = getFactOrDimtableStorageTableName(factName, c1);
assertEquals(client.getAllParts(storageTableName).size(), 1);

client.alterCubeFactTable(factName, cubeFact, storageTables, new HashMap<String, String>());
assertSameTimelines(factName, storages, HOURLY, partColNames);
assertEquals(Hive.get(client.getConf()).getTable(c1TableName).getParameters().get(