StreamViewType
- class aws_cdk.aws_dynamodb.StreamViewType(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
Bases:
Enum
When an item in the table is modified, StreamViewType determines what information is written to the stream for this table.
- See:
https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_StreamSpecification.html
- ExampleMetadata:
infused
Example:
import aws_cdk.aws_lambda_event_sources as eventsources import aws_cdk.aws_dynamodb as dynamodb # fn: lambda.Function table = dynamodb.Table(self, "Table", partition_key=dynamodb.Attribute( name="id", type=dynamodb.AttributeType.STRING ), stream=dynamodb.StreamViewType.NEW_IMAGE ) fn.add_event_source(eventsources.DynamoEventSource(table, starting_position=lambda_.StartingPosition.LATEST, metrics_config=lambda.MetricsConfig( metrics=[lambda_.MetricType.EVENT_COUNT] ) ))
Attributes
- KEYS_ONLY
Only the key attributes of the modified item are written to the stream.
- NEW_AND_OLD_IMAGES
Both the new and the old item images of the item are written to the stream.
- NEW_IMAGE
The entire item, as it appears after it was modified, is written to the stream.
- OLD_IMAGE
The entire item, as it appeared before it was modified, is written to the stream.