Class Update

Namespace

Amazon.DynamoDBv2.Model

Assembly

AWSSDK.DynamoDBv2.dll

Represents a request to perform an

UpdateItem

operation.

public class Update

Inheritance

object

Update

Inherited Members

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Constructors

Update()

public Update()

Properties

ConditionExpression

Gets and sets the property ConditionExpression.

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

public string ConditionExpression { get; set; }

Property Value

string

ExpressionAttributeNames

Gets and sets the property ExpressionAttributeNames.

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

public Dictionary<string, string> ExpressionAttributeNames { get; set; }

Property Value

Dictionary<string, string>

ExpressionAttributeValues

Gets and sets the property ExpressionAttributeValues.

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

public Dictionary<string, AttributeValue> ExpressionAttributeValues { get; set; }

Property Value

Dictionary<string, AttributeValue>

Key

Gets and sets the property Key.

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

public Dictionary<string, AttributeValue> Key { get; set; }

Property Value

Dictionary<string, AttributeValue>

ReturnValuesOnConditionCheckFailure

Gets and sets the property 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.

public ReturnValuesOnConditionCheckFailure ReturnValuesOnConditionCheckFailure { get; set; }

Property Value

ReturnValuesOnConditionCheckFailure

TableName

Gets and sets the property TableName.

Name of the table for the

UpdateItem

request.

public string TableName { get; set; }

Property Value

string

UpdateExpression

Gets and sets the property 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.

public string UpdateExpression { get; set; }

Property Value

string