docs: protected String readTableInit() throws IOException {
  
          boolean more = readRow(rowIn, 0);
  
          if (!more) {
              return null;
          }
  
          String s = rowIn.readString();
  
          // operation is always INSERT
          int checkOp = rowIn.readInt();
  
          if (checkOp == ScriptWriterBase.INSERT_WITH_SCHEMA) {
              currentSchema = rowIn.readString();
          } else {
              currentSchema = null;
          }
  
          if (checkOp != ScriptWriterBase.INSERT
                  && checkOp != ScriptWriterBase.INSERT_WITH_SCHEMA) {
              throw Error.error(ErrorCode.ERROR_IN_SCRIPT_FILE,
                                ErrorCode.M_ERROR_IN_BINARY_SCRIPT_2);
          }
  
          return s;
      }