Fail to LoadPolicy

[chirichan]

I use casbin-pg-adapter , have an error msg.

this is error msg:

PS D:\Documents\test> go run .\main.go
2021/11/29 12:42:34 错误 #42703 字段 casbin_rule.p_type 不存在
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xc0000005 code=0x0 addr=0x10 pc=0x8b110d]

goroutine 1 [running]:
github.com/casbin/casbin/v2.(*Enforcer).LoadPolicy(0x0)
        C:/Users/Administrator/go/pkg/mod/github.com/casbin/casbin/v2@v2.39.1/enforcer.go:284 +0x4d
main.main()
        D:/Documents/test/main.go:24 +0x105
exit status 2

when i change the field ptype to p_type, it's ok.

PS D:\Documents\test> go run .\main.go
2021/11/29 12:52:49 true

this is my enviorment:

go 1.17.2
casbin v2.39.1
casbin-pg-adapter v1.0.3
PostgreSQL 12.8

this is my code:

package main

import (
	"log"

	pgadapter "github.com/casbin/casbin-pg-adapter"
	"github.com/casbin/casbin/v2"
)

func main() {

	url := "postgresql://postgres:111111@localhost:5432/casbin?sslmode=disable"

	a, err := pgadapter.NewAdapter(url)
	if err != nil {
		log.Println(err)
	}
	e, err := casbin.NewEnforcer("model.conf", a)
	if err != nil {
		log.Println(err)
	}

	// Load the policy from DB.
	err = e.LoadPolicy()
	if err != nil {
		log.Println(err)
	}

	// Check the permission.
	b1, err := e.Enforce("alice", "data1", "write")
	if err != nil {
		log.Println(err)
	}
	log.Println(b1)

	// Save the policy back to DB.
	e.SavePolicy()
}

[casbin-bot]

@tangyang9464 @closetool @sagilio

[Yang Luo]

@Abingcbc