class Aws::DynamoDB::Types::Update

@see docs.aws.amazon.com/goto/WebAPI/dynamodb-2012-08-10/Update AWS API Documentation
@return [String]
and ALL_OLD.
‘ReturnValuesOnConditionCheckFailure`, the valid values are: NONE
if the `Update` condition fails. For
Use `ReturnValuesOnConditionCheckFailure` to get the item attributes
@!attribute [rw] return_values_on_condition_check_failure
@return [Hash<String,Types::AttributeValue>]
One or more values that can be substituted in an expression.
@!attribute [rw] expression_attribute_values
@return [Hash<String,String>]
expression.
One or more substitution tokens for attribute names in an
@!attribute [rw] expression_attribute_names
@return [String]
to succeed.
A condition that must be satisfied in order for a conditional update
@!attribute [rw] condition_expression
@return [String]
the Amazon Resource Name (ARN) of the table in this parameter.
Name of the table for the `UpdateItem` request. You can also provide
@!attribute [rw] table_name
@return [String]
action to be performed on them, and new value(s) for them.
An expression that defines one or more attributes to be updated, the
@!attribute [rw] update_expression
@return [Hash<String,Types::AttributeValue>]
an attribute name and a value for that attribute.
The primary key of the item to be updated. Each element consists of
@!attribute [rw] key
Represents a request to perform an `UpdateItem` operation.