Update Structure Reference


                    
                    
                    _members

Declaration

Swift

public static var _members: [AWSShapeMember]


                    
                    
                    conditionExpression

A condition that must be satisfied in order for a conditional update to succeed.

Declaration

Swift

public let conditionExpression: String?


                    
                    
                    expressionAttributeNames

One or more substitution tokens for attribute names in an expression.

Declaration

Swift

public let expressionAttributeNames: [String : String]?


                    
                    
                    expressionAttributeValues

One or more values that can be substituted in an expression.

Declaration

Swift

public let expressionAttributeValues: [String : AttributeValue]?

key

The primary key of the item to be updated. Each element consists of an attribute name and a value for that attribute.

Declaration

Swift

public let key: [String : AttributeValue]


                    
                    
                    returnValuesOnConditionCheckFailure

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.

Declaration

Swift

public let returnValuesOnConditionCheckFailure: ReturnValuesOnConditionCheckFailure?


                    
                    
                    tableName

Name of the table for the UpdateItem request.

Declaration

Swift

public let tableName: String


                    
                    
                    updateExpression

An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.

Declaration

Swift

public let updateExpression: String


                    
                    
                    init(conditionExpression:expressionAttributeNames:expressionAttributeValues:key:returnValuesOnConditionCheckFailure:tableName:updateExpression:)

Undocumented

Declaration

Swift

public init(conditionExpression: String? = nil, expressionAttributeNames: [String : String]? = nil, expressionAttributeValues: [String : AttributeValue]? = nil, key: [String : AttributeValue], returnValuesOnConditionCheckFailure: ReturnValuesOnConditionCheckFailure? = nil, tableName: String, updateExpression: String)


                    
                    
                    validate(name:)

Declaration

Swift

public func validate(name: String) throws