Может дело не в модуле pg-native?
Вот какое сообщение при загрузке модуля
debugger listening on port 5858
C:\Users\admin\AppData\Roaming\npm\node_modules\pg-native\node_modules\libpq\nod
e_modules\bindings\bindings.js:83
throw e
^
Error: The specified module could not be found.
C:\Users\admin\AppData\Roaming\npm\node_modules\pg-native\node_modules\libpq\bui
ld\Release\addon.node
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Module.require (module.js:364:17)
at require (module.js:380:17)
at bindings (C:\Users\admin\AppData\Roaming\npm\node_modules\p g-native\node_
modules\libpq\node_modules\bindings\bindings.js:76 :44)
at Object.<anonymous> (C:\Users\admin\AppData\Roaming\npm\node_modules\p g-na
tive\node_modules\libpq\index.js:1:108)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)