Windows中的64位Qt和Postgres插件

I have a 32-bit Windows/Qt application using Postgres plugin. Recently, I've been intrigued to turn the app into a 64-bit app. So I checked the Qt docs for instructions, built Qt and its libraries into 64-bit successfully. Now the problem is Postgres does not provide libraries for 64-bit Windows! Obviously, the Qt Postgres plugin won't compile. I googled around a lot and didn't find any solutions, just a whole bunch of non-helpful discussion archive postings. So, is there a way for me to compile my app as true 64-bit while using Postgres in Windows?I have a 32-bit Windows/Qt application using Po