Remove Attribute in DynamoDB Using Java (Guide w/ Code Examples)
![Rafal Wilinski](https://pbs.twimg.com/profile_images/1390706809548197895/SVCKpLNE_400x400.png)
Provided by Rafal Wilinski
This example assumes that the table "myTable" has a primary key "id." This code uses the updateItem
method of the DynamoDB
class to remove an attribute named attributeName
from an item with a primary key named primaryKey
in a table named tableName
. The primary key value of the item is primaryKeyValue
. The code uses the UpdateExpression
property to specify the REMOVE
operation on the attribute to be removed, and an expressionAttributeNames
to specify the attribute name. The response is the UpdateItemResponse
object which indicates the status of the update operation.
import software.amazon.awssdk.services.dynamodb.DynamoDBClient; import software.amazon.awssdk.services.dynamodb.model.AttributeValue; import software.amazon.awssdk.services.dynamodb.model.UpdateItemRequest; import software.amazon.awssdk.services.dynamodb.model.UpdateItemResponse; import java.util.HashMap; import java.util.Map; public class RemoveAttributeExample { public static void main(String[] args) { DynamoDBClient client = DynamoDBClient.create(); String tableName = "myTable"; String primaryKey = "id"; String primaryKeyValue = "12345"; String attributeName = "attr"; Map<String, attributeValue> key = new HashMap<String, attributeValue>(); key.put(primaryKey, attributeValue.builder().s(primaryKeyValue).build()); UpdateItemRequest updateItemRequest = UpdateItemRequest.builder() .tableName(tableName) .key(key) .updateExpression("REMOVE #attributeName") .expressionAttributeNames(Map.of("#attributeName", attributeName)) .build(); UpdateItemResponse updateItemResponse = client.updateItem(updateItemRequest); System.out.println("Successfully removed attribute: " + attributeName); } }
Similar Code Examples
- Delete All Items in DynamoDB Using Java
- Batch Query in DynamoDB Using Java
- Batch Read in DynamoDB Using Java
- Update Item in DynamoDB Using Java
- Query Local Secondary Index in DynamoDB Using Java
- Batch Delete Using DynamoDB Mapper
- Query Index in DynamoDB Using Java
- Query Date Range in DynamoDB Using Java
- Conditional Update in DynamoDB Using Java
- Delete Table in DynamoDB Using Java
- Delete in DynamoDB Using Java
- Insert in DynamoDB Using Java
- Update Expression in DynamoDB Using Java
- Remove Item in DynamoDB Using Java
- Batch Write Item in DynamoDB Using Java
Spend less time in the AWS console, use Dynobase.
First 7 days are. No credit card needed.
Product Features
DynamoDB Tools
DynamoDB Info
© 2024 Dynobase