On Wed, Jan 8, 2020 at 4:32 AM İlyas Derse <ilyasderse@xxxxxxxxx> wrote: > I want to register C code to PostgreSql on Windows. So I think, I have to make a extension for PostgreSql. But I did not find to written extension on windows. Do you have an idea ? I don't do Windows myself but this blog from Craig Ringer looks like a good starting point: https://www.2ndquadrant.com/en/blog/compiling-postgresql-extensions-visual-studio-windows/