Re: libpq: Newbie help w/ data type conversions on
От | jtv@xs4all.nl |
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Тема | Re: libpq: Newbie help w/ data type conversions on |
Дата | |
Msg-id | 24826.202.47.227.25.1112239744.squirrel@202.47.227.25 обсуждение исходный текст |
Ответ на | libpq: Newbie help w/ data type conversions on queries and updates (Marvin Bellamy <marvin.bellamy@innovision.com>) |
Ответы |
Re: libpq: Newbie help w/ data type conversions on
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Список | pgsql-interfaces |
> I'm coming from a Java background, so I'm relatively new to C/C++ in > general. I want to convert the data retrieved from a field to an > "external" data type I can use; specifically a datetime or a timestamp. > It looks like the only option for retrieving field data is as raw bytes, > but I haven't found any information on mapping those byte streams to > structures. Actually, values are delivered as C-style strings by default. So it may help get a feel for things if you print a few of them out to the console. > Also, is there any sort of a libpq API, or are you just stuck with > perusing header files? In C and C++, header files are normally the way to define an API. > I had zero luck following the build instructions for libpqxx on Windows, > so it looks like libpq is my only option for now. Perhaps that can be fixed. What problems did you run into, and using which compiler exactly? Jeroen
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