class Aws::DynamoDB::Types::Update
Represents a request to perform an `UpdateItem` operation.
@note When making an API call, you may pass Update
data as a hash: { key: { # required "AttributeName" => "value", # value <Hash,Array,String,Numeric,Boolean,IO,Set,nil> }, update_expression: "UpdateExpression", # required table_name: "TableName", # required condition_expression: "ConditionExpression", expression_attribute_names: { "ExpressionAttributeNameVariable" => "AttributeName", }, expression_attribute_values: { "ExpressionAttributeValueVariable" => "value", # value <Hash,Array,String,Numeric,Boolean,IO,Set,nil> }, return_values_on_condition_check_failure: "ALL_OLD", # accepts ALL_OLD, NONE }
@!attribute [rw] key
The primary key of the item to be updated. Each element consists of an attribute name and a value for that attribute. @return [Hash<String,Types::AttributeValue>]
@!attribute [rw] update_expression
An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them. @return [String]
@!attribute [rw] table_name
Name of the table for the `UpdateItem` request. @return [String]
@!attribute [rw] condition_expression
A condition that must be satisfied in order for a conditional update to succeed. @return [String]
@!attribute [rw] expression_attribute_names
One or more substitution tokens for attribute names in an expression. @return [Hash<String,String>]
@!attribute [rw] expression_attribute_values
One or more values that can be substituted in an expression. @return [Hash<String,Types::AttributeValue>]
@!attribute [rw] return_values_on_condition_check_failure
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. @return [String]
@see docs.aws.amazon.com/goto/WebAPI/dynamodb-2012-08-10/Update AWS API Documentation
Constants
- SENSITIVE