Struct UpdateItemInput 

pub struct UpdateItemInput {

    pub table_name: String,
    pub key: HashMap<String, AttributeValue>,
    pub update_expression: Option<String>,
    pub condition_expression: Option<String>,
    pub expression_attribute_names: HashMap<String, String>,
    pub expression_attribute_values: HashMap<String, AttributeValue>,
    pub return_values: Option<ReturnValue>,
    pub return_consumed_capacity: Option<ReturnConsumedCapacity>,
    pub return_item_collection_metrics: Option<ReturnItemCollectionMetrics>,
    pub attribute_updates: HashMap<String, AttributeValueUpdate>,
    pub expected: HashMap<String, ExpectedAttributeValue>,
    pub conditional_operator: Option<ConditionalOperator>,
    pub return_values_on_condition_check_failure: Option<String>,
}

Input for the UpdateItem operation.

Fields

table_name: String

The name of the table containing the item to update.

key: HashMap<String, AttributeValue>

The primary key of the item to be updated.

update_expression: Option<String>

An expression that defines one or more attributes to be updated.

condition_expression: Option<String>

A condition that must be satisfied for the update to succeed.

expression_attribute_names: HashMap<String, String>

Substitution tokens for attribute names in an expression.

expression_attribute_values: HashMap<String, AttributeValue>

Substitution tokens for attribute values in an expression.

return_values: Option<ReturnValue>

Determines the attributes to return after the operation.

return_consumed_capacity: Option<ReturnConsumedCapacity>

Determines the level of detail about provisioned throughput consumption.

return_item_collection_metrics: Option<ReturnItemCollectionMetrics>

Determines whether item collection metrics are returned.

attribute_updates: HashMap<String, AttributeValueUpdate>

Legacy: attribute updates map (use update_expression instead).

expected: HashMap<String, ExpectedAttributeValue>

Legacy: expected conditions for conditional writes.

conditional_operator: Option<ConditionalOperator>

Legacy: logical operator for combining multiple expected conditions.

return_values_on_condition_check_failure: Option<String>

Determines whether to return the item attributes on a failed condition check. Valid values: NONE, ALL_OLD.

Trait Implementations

impl Clone for UpdateItemInput

fn clone(&self) -> UpdateItemInput

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for UpdateItemInput

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

Formats the value using the given formatter.

impl Default for UpdateItemInput

fn default() -> UpdateItemInput

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for UpdateItemInput

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for UpdateItemInput

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

where __S: Serializer,

Serialize this value into the given Serde serializer.