@Override
    public void read(org.apache.thrift.protocol.TProtocol prot, AlterTableRequest struct) throws org.apache.thrift.TException {
      org.apache.thrift.protocol.TTupleProtocol iprot = (org.apache.thrift.protocol.TTupleProtocol) prot;
      struct.dbName = iprot.readString();
      struct.setDbNameIsSet(true);
      struct.tableName = iprot.readString();
      struct.setTableNameIsSet(true);
      struct.table = new Table();
      struct.table.read(iprot);
      struct.setTableIsSet(true);
      java.util.BitSet incoming = iprot.readBitSet(8);
      if (incoming.get(0)) {
        struct.catName = iprot.readString();
        struct.setCatNameIsSet(true);
      }
      if (incoming.get(1)) {
        struct.environmentContext = new EnvironmentContext();
        struct.environmentContext.read(iprot);
        struct.setEnvironmentContextIsSet(true);
      }
      if (incoming.get(2)) {
        struct.writeId = iprot.readI64();
        struct.setWriteIdIsSet(true);
      }
      if (incoming.get(3)) {
        struct.validWriteIdList = iprot.readString();
        struct.setValidWriteIdListIsSet(true);
      }
      if (incoming.get(4)) {
        {
          org.apache.thrift.protocol.TList _list1453 = iprot.readListBegin(org.apache.thrift.protocol.TType.STRING);
          struct.processorCapabilities = new java.util.ArrayList<java.lang.String>(_list1453.size);
          @org.apache.thrift.annotation.Nullable java.lang.String _elem1454;
          for (int _i1455 = 0; _i1455 < _list1453.size; ++_i1455)
          {
            _elem1454 = iprot.readString();
            struct.processorCapabilities.add(_elem1454);
          }
        }
        struct.setProcessorCapabilitiesIsSet(true);
      }
      if (incoming.get(5)) {
        struct.processorIdentifier = iprot.readString();
        struct.setProcessorIdentifierIsSet(true);
      }
      if (incoming.get(6)) {
        struct.expectedParameterKey = iprot.readString();
        struct.setExpectedParameterKeyIsSet(true);
      }
      if (incoming.get(7)) {
        struct.expectedParameterValue = iprot.readString();
        struct.setExpectedParameterValueIsSet(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/AlterTableRequest.java