ConditionCheck 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 checked. 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 ConditionCheck condition fails. For ReturnValuesOnConditionCheckFailure, the valid values are: NONE and ALL_OLD.

Declaration

Swift

public let returnValuesOnConditionCheckFailure: ReturnValuesOnConditionCheckFailure?


                    
                    
                    tableName

Name of the table for the check item request.

Declaration

Swift

public let tableName: String


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

Undocumented

Declaration

Swift

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


                    
                    
                    validate(name:)

Declaration

Swift

public func validate(name: String) throws