Struct rusoto_dynamodb::Update

pub struct Update {
    pub condition_expression: Option<String>,
    pub expression_attribute_names: Option<HashMap<String, String>>,
    pub expression_attribute_values: Option<HashMap<String, AttributeValue>>,
    pub key: HashMap<String, AttributeValue>,
    pub return_values_on_condition_check_failure: Option<String>,
    pub table_name: String,
    pub update_expression: String,
}

Represents a request to perform an UpdateItem operation.

Fields

condition_expression: Option<String>

A condition that must be satisfied in order for a conditional update to succeed.

expression_attribute_names: Option<HashMap<String, String>>

One or more substitution tokens for attribute names in an expression.

expression_attribute_values: Option<HashMap<String, AttributeValue>>

One or more values that can be substituted in an expression.

key: HashMap<String, AttributeValue>

The primary key of the item to be updated. Each element consists of an attribute name and a value for that attribute.

return_values_on_condition_check_failure: Option<String>

Use ReturnValuesOnConditionCheckFailure to get the item attributes if the Update condition fails. For ReturnValuesOnConditionCheckFailure, the valid values are: NONE, ALL_OLD, UPDATED_OLD, ALL_NEW, UPDATED_NEW.

table_name: String

Name of the table for the UpdateItem request.

update_expression: String

An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.

Trait Implementations

impl PartialEq<Update> for Update

fn eq(&self, other: &Update) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Update) -> bool

This method tests for !=.

impl Default for Update

fn default() -> Update

Returns the "default value" for a type.

impl Clone for Update

fn clone(&self) -> Update

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Update

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Serialize for Update

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.