- [Node binaries](#node-binaries-13)
  - [Changelog since v1.19.2](#changelog-since-v1192)
  - [Changes by Kind](#changes-by-kind-13)
    - [Feature](#feature-7)
    - [Design](#design)
    - [Bug or Regression](#bug-or-regression-12)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake-4)
  - [Dependencies](#dependencies-13)
    - [Added](#added-13)
    - [Changed](#changed-13)

	return req, err
}

// preSignV4 presign the request, in accordance with
// http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-query-string-auth.html.
func preSignV4(req *http.Request, accessKeyID, secretAccessKey string, expires int64) error {
	// Presign is not needed for anonymous credentials.
	if accessKeyID == "" || secretAccessKey == "" {
		return errors.New("Presign cannot be generated without access and secret keys")
	}

	DB.Where(&User{Name: "find or create 3"}).Assign("age", 55).FirstOrCreate(&user4)

	if user4.Age != 55 {
		t.Errorf("Failed to set change to 55, got %v", user4.Age)
	}

	if updatedAt1.Format(time.RFC3339Nano) == user4.UpdatedAt.Format(time.RFC3339Nano) {
		t.Errorf("UpdateAt should be changed when update values with assign")
	}

	DB.Where(&User{Name: "find or create 4"}).Assign(User{Age: 44}).FirstOrCreate(&user4)

		"birthday":   time.Now(),
		"active":     f,
	}

	for k, v := range newValues {
		if err := userSchema.FieldsByDBName[k].Set(context.Background(), reflectValue, v); err != nil {
			t.Errorf("no error should happen when assign value to field %v, but got %v", k, err)
		}
	}
	newValues["updated_at"] = time.Time{}
	newValues["active"] = false
	checkField(t, userSchema, reflectValue, newValues)

	// test valuer and other type

### Quality of Service for memory resources

	tx.Statement.attrs = attrs
	return
}

// Assign provide attributes used in [FirstOrCreate] or [FirstOrInit]
//
// Assign adds attributes even if the record is found. If using FirstOrCreate, this means that
// records will be updated even if they are found.
//
//	// assign an email regardless of if the record is not found
//	db.Where(User{Name: "non_existing"}).Assign(User{Email: "******@****.***"}).FirstOrInit(&user)

		strings.HasPrefix(r.Header.Get(xhttp.Authorization), signV2Algorithm))
}

// Verify if request has AWS PreSign Version '4'.
func isRequestPresignedSignatureV4(r *http.Request) bool {
	_, ok := r.Form[xhttp.AmzCredential]
	return ok
}

// Verify request has AWS PreSign Version '2'.
func isRequestPresignedSignatureV2(r *http.Request) bool {
	_, ok := r.Form[xhttp.AmzAccessKeyID]
	return ok
}

      ],
      "Resource": [
       "arn:aws:s3:::bucket"
      ]
     }
    ]
   }
EOF
mc admin policy create source repladmin-policy ./repladmin-policy-source.json
cat ./repladmin-policy-source.json

#assign this replication policy to repladmin
mc admin policy attach source repladmin-policy --user=repladmin

### on dest alias
# Create a replication user : repluser on dest alias
mc admin user add dest repluser repluser123

	"gorm.io/gorm"
	. "gorm.io/gorm/utils/tests"
)

func TestPreparedStmt(t *testing.T) {
	tx := DB.Session(&gorm.Session{PrepareStmt: true})

	if _, ok := tx.ConnPool.(*gorm.PreparedStmtDB); !ok {
		t.Fatalf("should assign PreparedStatement Manager back to database when using PrepareStmt mode")
	}

	ctx, cancel := context.WithTimeout(context.Background(), 500*time.Millisecond)
	defer cancel()
	txCtx := tx.WithContext(ctx)

// FirstOrInit never modifies the database. It is often used with Assign and Attrs.
//
//	// assign an email if the record is not found
//	db.Where(User{Name: "non_existing"}).Attrs(User{Email: "******@****.***"}).FirstOrInit(&user)
//	// user -> User{Name: "non_existing", Email: "******@****.***"}
//
//	// assign email regardless of if record is found
//	db.Where(User{Name: "jinzhu"}).Assign(User{Email: "******@****.***"}).FirstOrInit(&user)