HasColumn(dst interface{}, field string) bool
	RenameColumn(dst interface{}, oldName, field string) error
	ColumnTypes(dst interface{}) ([]ColumnType, error)

	// Views
	CreateView(name string, option ViewOption) error
	DropView(name string) error

	// Constraints
	CreateConstraint(dst interface{}, name string) error
	DropConstraint(dst interface{}, name string) error

		}
	}

	replicationStats = append(replicationStats, bucketStatsMap)
	return replicationStats
}

// GetClusterBucketStats - calls GetClusterBucketStats call on all peers for a cluster statistics view.
func (sys *NotificationSys) GetClusterBucketStats(ctx context.Context, bucketName string) []BucketStats {
	ng := WithNPeers(len(sys.peerClients)).WithRetries(1)
	bucketStats := make([]BucketStats, len(sys.peerClients))

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.RebalanceAdminAction)
	if objectAPI == nil {
		return
	}

	// Proxy rebalance-status to first pool first node, so that users see a
	// consistent view of rebalance progress even though different rebalancing
	// pools may temporarily have out of date info on the others.
	if ep := globalEndpoints[0].Endpoints[0]; !ep.IsLocal {
		for nodeIdx, proxyEp := range globalProxyEndpoints {

		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(s3Err), r.URL)
		return
	}

	checkDenyOnly := false
	if name == cred.AccessKey {
		// Check that there is no explicit deny - otherwise it's allowed
		// to view one's own info.
		checkDenyOnly = true
	}

	if !globalIAMSys.IsAllowed(policy.Args{
		AccountName:     cred.AccessKey,
		Groups:          cred.Groups,
		Action:          policy.GetUserAdminAction,

	return columnTypes, execErr
}

// CreateView create view from Query in gorm.ViewOption.
// Query in gorm.ViewOption is a [subquery]
//
//	// CREATE VIEW `user_view` AS SELECT * FROM `users` WHERE age > 20
//	q := DB.Model(&User{}).Where("age > ?", 20)
//	DB.Debug().Migrator().CreateView("user_view", gorm.ViewOption{Query: q})
//
//	// CREATE OR REPLACE VIEW `users_view` AS SELECT * FROM `users` WITH CHECK OPTION

	if !ok {
		return nil, errors.New("site replication service account not found")
	}
	return &u.Credentials, nil
}

// listBuckets returns a consistent common view of latest unique buckets across
// sites, this is used for replication.
func (c *SiteReplicationSys) listBuckets(ctx context.Context) ([]BucketInfo, error) {

		if err == nil {
			return healBucketResults[i], nil
		}
	}

	return madmin.HealResultItem{}, toObjectErr(errVolumeNotFound, bucket)
}

// ListBuckets lists buckets across all nodes and returns a consistent view:
//   - Return an error when a pool cannot return N/2+1 valid bucket information
//   - For each pool, check if the bucket exists in N/2+1 nodes before including it in the final result

	dashboardCmd.PersistentFlags().BoolVar(&browser, "browser", true,
		"When --browser is supplied as false, istioctl dashboard will not open the browser. "+
			"Default is true which means istioctl dashboard will always open a browser to view the dashboard.")

	kiali := kialiDashCmd(cliContext)
	kiali.PersistentFlags().IntVar(&kialiPort, "ui-port", defaultKialiPort, "The component dashboard UI port.")
	dashboardCmd.AddCommand(kiali)

		t.Fatalf("Failed to crate view, got %v", err)
	}
	if err := DB.Migrator().DropView("users_view"); err != nil {
		t.Fatalf("Failed to drop view, got %v", err)
	}
}

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

	type ColumnStruct struct {
		gorm.Model

		//
		// GET /testbucket/?list-type=2&delimiter=%2F&max-keys=2&prefix=parquet%2F_SUCCESS%2F&fetch-owner=false
		//
		// Here spark is expecting that the List() return empty instead, so from MinIO's point
		// of view if we simply do a GetObjectInfo() on this prefix by treating it as an object
		// We save a lot of calls over the network.
		//
		// This happens repeatedly for all objects that are created concurrently() avoiding this