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The PutAttributes operation creates or replaces attributes in an item. The client
may specify new attributes using a combination of the Attribute.X.Name and
Attribute.X.Value parameters. The client specifies the first attribute by the
parameters Attribute.0.Name and Attribute.0.Value, the second attribute
by the parameters Attribute.1.Name and Attribute.1.Value, and so on.
Attributes are uniquely identified in an item by their name/value combination. For
example, a single item can have the attributes { "first_name", "first_value" }
and { "first_name", second_value" }. However, it cannot have two attribute
instances where both the Attribute.X.Name and Attribute.X.Value are
the same.
Optionally, the requestor can supply the Replace parameter for each individual
attribute. Setting this value to true causes the new attribute value to replace
the existing attribute value(s). For example, if an item has the attributes { 'a',
'1' }, { 'b', '2'} and { 'b', '3' } and the requestor calls PutAttributes
using the attributes { 'b', '4' } with the Replace parameter set to
true, the final attributes of the item are changed to { 'a', '1' } and {
'b', '4' }, which replaces the previous values of the 'b' attribute with the new
value.
You cannot specify an empty string as an attribute name.
Because Amazon SimpleDB makes multiple copies of client data and uses an eventual consistency update model, an immediate GetAttributes or Select operation (read) immediately after a PutAttributes or DeleteAttributes operation (write) might not return the updated data.
The following limitations are enforced for this operation:
This is an asynchronous operation using the standard naming convention for .NET 4.5 or higher. For .NET 3.5 the operation is implemented as a pair of methods using the standard naming convention of BeginPutAttributes and EndPutAttributes.
Namespace: Amazon.SimpleDB
Assembly: AWSSDK.SimpleDB.dll
Version: 3.x.y.z
public virtual Task<PutAttributesResponse> PutAttributesAsync( PutAttributesRequest request, CancellationToken cancellationToken )
Container for the necessary parameters to execute the PutAttributes service method.
A cancellation token that can be used by other objects or threads to receive notice of cancellation.
| Exception | Condition |
|---|---|
| AttributeDoesNotExistException | The specified attribute does not exist. |
| InvalidParameterValueException | The value for a parameter is invalid. |
| MissingParameterException | The request must contain the specified missing parameter. |
| NoSuchDomainException | The specified domain does not exist. |
| NumberDomainAttributesExceededException | Too many attributes in this domain. |
| NumberDomainBytesExceededException | Too many bytes in this domain. |
| NumberItemAttributesExceededException | Too many attributes in this item. |
.NET Core App:
Supported in: 3.1
.NET Standard:
Supported in: 2.0
.NET Framework:
Supported in: 4.5