t.Errorf("No error should happen, but got %v", err)
	}
}

func TestPostgres(t *testing.T) {
	if DB.Dialector.Name() != "postgres" {
		t.Skip()
	}

	type Harumph struct {
		gorm.Model
		Name      string         `gorm:"check:name_checker,name <> ''"`
		Test      uuid.UUID      `gorm:"type:uuid;not null;default:gen_random_uuid()"`
		CreatedAt time.Time      `gorm:"type:TIMESTAMP WITHOUT TIME ZONE"`

	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
	"google.golang.org/grpc"
	"google.golang.org/grpc/credentials"

	"istio.io/istio/istioctl/pkg/clioptions"
	"istio.io/istio/pilot/pkg/model"
	"istio.io/istio/pkg/adsc"
	"istio.io/istio/pkg/kube"
)

const (
	// defaultExpirationSeconds is how long-lived a token to request (an hour)
	defaultExpirationSeconds = 60 * 60
)

		CheckPet(t, pet4, pet)
	})

	t.Run("Restriction", func(t *testing.T) {
		type CustomizeAccount struct {
			gorm.Model
			UserID  sql.NullInt64
			Number  string `gorm:"<-:create"`
			Number2 string
		}

		type CustomizeUser struct {
			gorm.Model
			Name    string
			Account CustomizeAccount `gorm:"foreignkey:UserID"`
		}

		DB.Migrator().DropTable(&CustomizeUser{})

	}

	protocol := model.GetOrDefault(cfg.K8sServiceProtocol, "https")
	cluster := &api.Cluster{
		Server: fmt.Sprintf("%s://%s", protocol, net.JoinHostPort(cfg.K8sServiceHost, cfg.K8sServicePort)),
	}

	if cfg.SkipTLSVerify {
		// User explicitly opted into insecure.
		cluster.InsecureSkipTLSVerify = true
	} else {
		caFile := model.GetOrDefault(cfg.KubeCAFile, constants.ServiceAccountPath+"/ca.crt")

	tx.Logger = currentLogger
	return
}

// Pluck queries a single column from a model, returning in the slice dest. E.g.:
//
//	var ages []int64
//	db.Model(&users).Pluck("age", &ages)
func (db *DB) Pluck(column string, dest interface{}) (tx *DB) {
	tx = db.getInstance()
	if tx.Statement.Model != nil {
		if tx.Statement.Parse(tx.Statement.Model) == nil {
			if f := tx.Statement.Schema.LookUpField(column); f != nil {

				t.Fatalf("errors happened when query: %v", err)
			} else {
				CheckUser(t, newUser, user)
			}
		}
	}
}

func TestCreateFromMap(t *testing.T) {
	if err := DB.Model(&User{}).Create(map[string]interface{}{"Name": "create_from_map", "Age": 18}).Error; err != nil {
		t.Fatalf("failed to create data from map, got error: %v", err)
	}

	var result User

	}
}

func TestMigrateTable(t *testing.T) {
	type TableStruct struct {
		gorm.Model
		Name string
	}

	DB.Migrator().DropTable(&TableStruct{})
	DB.AutoMigrate(&TableStruct{})

	if !DB.Migrator().HasTable(&TableStruct{}) {
		t.Fatalf("should found created table")
	}

	type NewTableStruct struct {
		gorm.Model
		Name string
	}

	"os"
	"strings"
	"testing"

	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	gateway "sigs.k8s.io/gateway-api/apis/v1"

	"istio.io/api/label"
	"istio.io/istio/istioctl/pkg/cli"
	"istio.io/istio/pilot/pkg/model/kstatus"
	"istio.io/istio/pkg/config/constants"
)

func TestWaypointList(t *testing.T) {
	cases := []struct {
		name            string
		args            []string
		gateways        []*gateway.Gateway

	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
	xdsstatus "github.com/envoyproxy/go-control-plane/envoy/service/status/v3"

	"istio.io/istio/istioctl/pkg/multixds"
	"istio.io/istio/pilot/pkg/model"
	xdsresource "istio.io/istio/pilot/pkg/xds/v3"
	"istio.io/istio/pkg/log"
)

// XdsStatusWriter enables printing of sync status using multiple xdsapi.DiscoveryResponse Istiod responses
type XdsStatusWriter struct {

			expected: `SELECT * FROM "languages" WHERE z = 0 AND a = 1 OR (b = 2 OR c = 3)`,
		}, {
			name: "depth_2",
			queryFn: func(tx *gorm.DB) *gorm.DB {
				return tx.Scopes(
					func(d *gorm.DB) *gorm.DB { return d.Model(&Language{}) },
					func(d *gorm.DB) *gorm.DB {
						return d.
							Or(DB.Scopes(
								func(d *gorm.DB) *gorm.DB { return d.Where("a = 1") },
								func(d *gorm.DB) *gorm.DB { return d.Where("b = 2") },