a/src/query/reslistpager.h b/src/query/reslistpager.h 
...
 
...
38 
    int pageNumber()
38 
    int pageNumber()
39 
    {
39 
    {
40 
    if (m_winfirst < 0 || m_pagesize <= 0)
40 
    if (m_winfirst < 0 || m_pagesize <= 0)
41 
        return -1;
41 
        return -1;
42 
    return m_winfirst / m_pagesize;
42 
    return m_winfirst / m_pagesize;


  43
  
    }






  
  

  44
  
    int pageFirstDocNum() {






  
  

  45
  
  return m_winfirst;






  
  

  46
  
    }






  
  

  47
  
    int pageLastDocNum() {






  
  

  48
  
  if (m_winfirst < 0 || m_respage.size() == 0)






  
  

  49
  
      return -1;






  
  

  50
  
  return m_winfirst + m_respage.size() - 1;






  43
  
    }


  51
  
    }






  44
  
    virtual int pageSize() const {return m_pagesize;}


  52
  
    virtual int pageSize() const {return m_pagesize;}






  45
  
    void pageNext();


  53
  
    void pageNext();






  46
  
    bool hasNext() {return m_hasNext;}


  54
  
    bool hasNext() {return m_hasNext;}






  47
  
    bool hasPrev() {return m_winfirst > 0;}


  55
  
    bool hasPrev() {return m_winfirst > 0;}