update_item

Documentation

Overview

Support for the DynamoDB UpdateItem endpoint.

example use:

tests/item_operations-livestest.go

Index

• Constants
• type AttributeAction
  • func (a AttributeAction) MarshalJSON() ([]byte, error)
  • func (a *AttributeAction) UnmarshalJSON(data []byte) error
• type AttributeUpdates
• type Request
  • func (req Request) EndpointReq() (string, int, error)
  • func (r Request) MarshalJSON() ([]byte, error)
• type Response
  • func NewResponse() *Response
• type Update
  • func NewUpdate() *Update
  • func (u Update) EndpointReq() (string, int, error)
  • func (u Update) MarshalJSON() ([]byte, error)

Constants

const (
	ENDPOINT_NAME       = "UpdateItem"
	UPDATEITEM_ENDPOINT = aws_const.ENDPOINT_PREFIX + ENDPOINT_NAME
	// the permitted Action flags for this op
	ACTION_PUT = "PUT"
	ACTION_DEL = "DELETE"
	ACTION_ADD = "ADD"
	// the permitted ReturnValues flags for this op
	RETVAL_ALL_OLD     = "ALL_OLD"
	RETVAL_ALL_NEW     = "ALL_NEW"
	RETVAL_UPDATED_OLD = "UPDATED_OLD"
	RETVAL_UPDATED_NEW = "UPDATED_NEW"
	RETVAL_NONE        = ep.RETVAL_NONE
)

Types

type AttributeAction

type AttributeAction struct {
	Value  ep.AttributeValue
	Action string
}

func (AttributeAction) MarshalJSON

func (a AttributeAction) MarshalJSON() ([]byte, error)

func (*AttributeAction) UnmarshalJSON

func (a *AttributeAction) UnmarshalJSON(data []byte) error

type AttributeUpdates

type AttributeUpdates map[string]AttributeAction

type Request

type Request Update

func (Request) EndpointReq

func (req Request) EndpointReq() (string, int, error)

EndpointReq implements the Endpoint interface on the local Request type.

func (Request) MarshalJSON

func (r Request) MarshalJSON() ([]byte, error)

type Response

type Response ep.AttributesResponse

func NewResponse

func NewResponse() *Response

NewResponse will return a pointer to an initialized Response struct.

type Update

type Update struct {
	TableName                   string
	Key                         ep.Item
	AttributeUpdates            AttributeUpdates
	Expected                    ep.Expected
	ReturnValues                ep.ReturnValues
	ReturnItemCollectionMetrics ep.ReturnItemCollectionMetrics
}

func NewUpdate

func NewUpdate() *Update

NewUpdate returns a pointer to an instantiation of the Update struct.

func (Update) EndpointReq

func (u Update) EndpointReq() (string, int, error)

EndpointReq implements the Endpoint interface.

func (Update) MarshalJSON

func (u Update) MarshalJSON() ([]byte, error)