logger: use nonblocking postgresql lib
logger: use nonblocking postgresql lib

Former-commit-id: b415aa3d988899403d6c0800590c10875bbdbaba
Former-commit-id: f0551304775e51ec201ffb69337d95cb33d3c091
torhve/ivar2,torhve/ivar2,torhve/ivar2,haste/ivar2