Struct rusoto_sdb::UpdateCondition

pub struct UpdateCondition {
    pub exists: Option<bool>,
    pub name: Option<String>,
    pub value: Option<String>,
}

Specifies the conditions under which data should be updated. If an update condition is specified for a request, the data will only be updated if the condition is satisfied. For example, if an attribute with a specific name and value exists, or if a specific attribute doesn't exist.

Fields

exists: Option<bool>

A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

name: Option<String>

The name of the attribute involved in the condition.

value: Option<String>

The value of an attribute. This value can only be specified when the Exists parameter is equal to true.

Trait Implementations

impl Default for UpdateCondition

fn default() -> UpdateCondition

Returns the "default value" for a type.

impl PartialEq<UpdateCondition> for UpdateCondition

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

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

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

This method tests for !=.

impl Clone for UpdateCondition

fn clone(&self) -> UpdateCondition

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for UpdateCondition

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

Formats the value using the given formatter.