Remove the key/object pair named by the supplied key, from the index

Declared in file: hzDatabase.h
Defined in file : hdbIndex.cpp

Function Logic:

Function body:

hzEcode hdbIndexUkey::Delete (hzAtom& key)
{
   //  Remove the key/object pair named by the supplied key, from the index
   //  
   //  Arguments: 1) atom Reference to atom with the lookup value.
   //  
   //  Returns: E_NODATA If the supplied atom has no value 
   //     E_TYPE  If the atom data type does not match that of the member to which this index applies
   //     E_NOTFOUND If the value of the atom does not identify an object
   //     E_OK  If the value of the atom does identify an object
   _hzfunc("hdbIndexUkey::Delete") ;
   hzString    str ;           //  String
   hzDomain    dom ;           //  Domain name if applicable
   hzEmaddr    ema ;           //  Email addr if applicable
   hzUrl       url ;           //  URL if applicable
   hzEcode     rc = E_OK ;     //  Return code
   if (!m_bInit)       return E_NOINIT ;
   if (key.IsNull())   return E_NODATA ;
   if (key.Type() != m_eBasetype)
       return hzerr(E_TYPE, "Index type %s - supplied value type %s", Basetype2Txt(m_eBasetype), Basetype2Txt(key.Type())) ;
   //  Do lookup based on type
   switch (m_eBasetype)
   {
   case BASETYPE_DOMAIN:   dom = key.Domain() ;
                           if (dom)
                           {
                               _hzGlobal_setDomains[dom].Clear() ;
                               rc = m_keys.pDom->Delete(dom) ;
                           }
                           break ;
   case BASETYPE_EMADDR:   ema = key.Emaddr() ;
                           if (ema)
                           {
                               _hzGlobal_setEmaddrs[ema].Clear() ;
                               rc = m_keys.pEma->Delete(ema) ;
                           }
                           break ;
   case BASETYPE_STRING:   str = key.Str() ;
                           if (str)
                           {
                               _hzGlobal_setStrings[str].Clear() ;
                               rc = m_keys.pStr->Delete(str) ;
                           }
                           break ;
   case BASETYPE_URL:      url = key.Url() ;
                           if (url)
                           {
                               //  _hzGlobal_setStrings.Delete(str) ;
                               rc = m_keys.pUrl->Delete(url) ;
                           }
                           break ;
   case BASETYPE_DOUBLE:
   case BASETYPE_XDATE:
   case BASETYPE_INT64:
   case BASETYPE_UINT64:   rc = m_keys.pUI64->Delete(key.Unt64()) ;    break ;
   case BASETYPE_IPADDR:
   case BASETYPE_TIME:
   case BASETYPE_SDATE:
   case BASETYPE_INT32:
   case BASETYPE_UINT32:   rc = m_keys.pUI32->Delete(key.Unt32()) ;    break ;
   } ;
   return rc ;
}