Posted: 16/Jan/2024
The DynamoDB DeleteItem API does what it says - delete an item. But it can also:
- Return the content of the old item (at no additional cost)
- Return the consumed Write Capacity Units (WCU)
- Return the item attributes for an operation that failed a condition check (again, no additional cost)
- Retrieve statistics about item collections, if any, that were affected during the operation
Here is an example:
resp, err := client.DeleteItem(context.Background(), &dynamodb.DeleteItemInput{
TableName: aws.String(tableName),
Key: map[string]types.AttributeValue{
"email": &types.AttributeValueMemberS{Value: email},
},
ReturnValues: types.ReturnValueAllOld,
ReturnConsumedCapacity: types.ReturnConsumedCapacityTotal,
ReturnValuesOnConditionCheckFailure: types.ReturnValuesOnConditionCheckFailureAllOld,
ReturnItemCollectionMetrics: types.ReturnItemCollectionMetricsSize,
})
Recommended reading - DeleteItem API doc
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