On Mon, 7 May 2012 20:27:58 +0100 Neil Morgenstern <neil.morgenstern.2...@gmail.com> wrote:
NM> They wouldn't be static variables they would be class member variables, so NM> in your case members of MyClass. It's true but in my case MyClass is a singleton so there is no essential difference between using static/global or member variables. The main problem is that I still need to keep all these extra variables and write code copying data to/from them instead of using the real data directly. It would be really much better if I could keep a prepared statement but just rebind the variables used in it. I know that it's not impossible to implement this as (SOCI-inspired, AFAICS) cppdb library does allow it, see the last example at http://cppcms.com/sql/cppdb/stat.html, but I don't see how to do it with SOCI yet... I wonder if I'm really the first person to be trying to do this? If so, why? Am I perhaps missing something and it's simply not worth trying to cache the prepared statements (e.g. because database keeps such cache internally anyhow)? NM> If you really are doing this a lot and want to optimise, consider using the NM> vector option. I can't do this, the values are read one by one and more or less unpredictably. I was just trying to save on the statement preparation here but, again, perhaps it's not really even worth doing it. I still find it strange if it's really not supported, I was hoping that I was just missing the right way to do it. Regards, VZ
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