postgresql的 psql命令
PGPASSWORD=urpassword psql -U postgres -h 127.0.0.1 -d grpchub -f /e/project/grpchub/py-grpc-generator/arts/nf_user_sub.ddl
PGPASSWORD=urpassword psql -U postgres -h 127.0.0.1 -d grpchub -f /e/project/grpchub/py-grpc-generator/arts/nf_user_sub.ddl