@Override
    public void read(org.apache.thrift.protocol.TProtocol prot, GetFileMetadataByExprResult struct) throws org.apache.thrift.TException {
      org.apache.thrift.protocol.TTupleProtocol iprot = (org.apache.thrift.protocol.TTupleProtocol) prot;
      {
        org.apache.thrift.protocol.TMap _map1112 = iprot.readMapBegin(org.apache.thrift.protocol.TType.I64, org.apache.thrift.protocol.TType.STRUCT); 
        struct.metadata = new java.util.HashMap<java.lang.Long,MetadataPpdResult>(2*_map1112.size);
        long _key1113;
        @org.apache.thrift.annotation.Nullable MetadataPpdResult _val1114;
        for (int _i1115 = 0; _i1115 < _map1112.size; ++_i1115)
        {
          _key1113 = iprot.readI64();
          _val1114 = new MetadataPpdResult();
          _val1114.read(iprot);
          struct.metadata.put(_key1113, _val1114);
        }
      }
      struct.setMetadataIsSet(true);
      struct.isSupported = iprot.readBool();
      struct.setIsSupportedIsSet(true);
    }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/GetFileMetadataByExprResult.java