@Override public void alterFunction(String catName, String dbName, String funcName, Function newFunction)
      throws InvalidObjectException, MetaException {
    // TODO functionCache
    rawStore.alterFunction(catName, dbName, funcName, newFunction);
  }
getPartitionSpecsByFilterAndProjection interface is currently non-cacheable.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/cache/CachedStore.java