Struct rusoto_dynamodb::Update
source · [−]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,
}
Expand description
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 StructuralPartialEq for Update
Auto Trait Implementations
impl RefUnwindSafe for Update
impl Send for Update
impl Sync for Update
impl Unpin for Update
impl UnwindSafe for Update
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more