/// <summary>
/// Example that gets items in a transaction from DynamoDB
/// </summary>
/// <returns></returns>
public static async Task TransactGetItemsExample()
{
var client = new AmazonDynamoDBClient(RegionEndpoint.USWest2);
var request = new TransactGetItemsRequest
{
//Up to 25 Items to retrieve from one or more tables but from one or more indexes for a same table.
TransactItems = new List <TransactGetItem>
{
new TransactGetItem()
{
Get = new Get()
{
TableName = "RetailDatabase",
Key = new Dictionary <string, AttributeValue>
{
{ "pk", new AttributeValue {
S = "*****@*****.**"
} },
{ "sk", new AttributeValue {
S = "metadata"
} }
},
ProjectionExpression = "pk,sk", //Specific attributes to retrieve from the table separated by comas if empty all will be returned
}
},
new TransactGetItem()
{
Get = new Get()
{
TableName = "RetailDatabase",
Key = new Dictionary <string, AttributeValue>
{
{ "pk", new AttributeValue {
S = "*****@*****.**"
} },
{ "sk", new AttributeValue {
S = "metadata"
} }
},
}
}
},
ReturnConsumedCapacity = "TOTAL"
};
try
{
var responseTransaction = await client.TransactGetItemsAsync(request);
foreach (var item in responseTransaction.Responses)
{
foreach (var attribute in item.Item)
{
Console.WriteLine($"{attribute.Key} : { attribute.Value.S}"); // For the example I'm supposing all the values are string, use the type property that corresponds
}
Console.WriteLine(string.Empty);
}
}
catch (Exception e)
{
Console.Error.WriteLine(e.Message);
}
}