How to change Database Data Type "DATE" to Quantlib Data Type "Date"?

[Le Shi]

Hi guys,

 

How could I change the Oracle Database data type “DATE” to Quantlib Data Type “Quantlib::Date”?

During debug, I found the first one is a double type, but second one is a Class.

 

Thank you for any help

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[Guowen Han]

First convert the database date to iso format (either yyyymmdd or yyyy-mm-dd),

inline
Date DateOf(const std::string& date){
  size_t length = date.length();

  // you may want additional check here
  if (length != 8 && length != 10)
    throw std::runtime_error("Note a valide ISO date format!");

  short year, month, day;
  try{
    if (length == 8) { // 'yyyymmdd' format
      year = boost::lexical_cast<short>(date.substr(0,4));
      month = boost::lexical_cast<short>(date.substr(4,2));
      day = boost::lexical_cast<short>(date.substr(6,2));
    } else { // 'yyyy-mm-dd' format
      year = boost::lexical_cast<short>(date.substr(0,4));
      month = boost::lexical_cast<short>(date.substr(5,2));
      day = boost::lexical_cast<short>(date.substr(8,2));
    }
     
    return Date(day, Month(month), year);
  } catch (boost::bad_lexical_cast& e){
    throw;
  }
}

Le Shi <[hidden email]>

12/03/2010 10:28 AM

To	"[hidden email]" <[hidden email]>
cc
Subject	[Quantlib-users] How to change Database Data Type "DATE" to Quantlib Data Type "Date"?

Hi guys,
 
How could I change the Oracle Database data type “DATE” to Quantlib Data Type “Quantlib::Date”?
During debug, I found the first one is a double type, but second one is a Class.
 
Thank you for any help------------------------------------------------------------------------------
This SF Dev2Dev email is sponsored by:

WikiLeaks The End of the Free Internet
http://p.sf.net/sfu/therealnews-com_______________________________________________
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https://lists.sourceforge.net/lists/listinfo/quantlib-users


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