Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions,
see Getting Started with Amazon Web Services in China
(PDF).
Code examples for Amazon Redshift using Amazon SDKs
The following code examples show how to use Amazon Redshift with an Amazon software development kit (SDK).
Actions are code excerpts from larger programs and must be run in context. While actions
show you how to call individual service functions, you can see actions in context in their related scenarios and
cross-service examples.
Scenarios are code examples that show you how to accomplish a specific task by
calling multiple functions within the same service.
Cross-service examples are sample applications that work across multiple Amazon Web Services.
For a complete list of Amazon SDK developer guides and code examples, see
Using this service with an Amazon SDK.
This topic also includes information about getting started and details about previous SDK versions.
Get started
The following code examples show how to get started using Amazon Redshift.
- Java
-
- SDK for Java 2.x
-
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.redshift.RedshiftClient;
import software.amazon.awssdk.services.redshift.paginators.DescribeClustersIterable;
/**
* Before running this Java V2 code example, set up your development
* environment, including your credentials.
*
* For more information, see the following documentation topic:
*
* https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
*/
public class HelloRedshift {
public static void main(String[] args) {
Region region = Region.US_EAST_1;
RedshiftClient redshiftClient = RedshiftClient.builder()
.region(region)
.build();
listClustersPaginator(redshiftClient);
}
public static void listClustersPaginator(RedshiftClient redshiftClient) {
DescribeClustersIterable clustersIterable = redshiftClient.describeClustersPaginator();
clustersIterable.stream()
.flatMap(r -> r.clusters().stream())
.forEach(cluster -> System.out
.println(" Cluster identifier: " + cluster.clusterIdentifier() + " status = " + cluster.clusterStatus()));
}
}
- Python
-
- SDK for Python (Boto3)
-
import boto3
def hello_redshift(redshift_client):
"""
Use the AWS SDK for Python (Boto3) to create an Amazon Redshift client and list
the clusters in your account. This list might be empty if you haven't created
any clusters.
This example uses the default settings specified in your shared credentials
and config files.
:param redshift_client: A Boto3 Redshift Client object.
"""
print("Hello, Redshift! Let's list your clusters:")
paginator = redshift_client.get_paginator("describe_clusters")
clusters = []
for page in paginator.paginate():
clusters.extend(page["Clusters"])
print(f"{len(clusters)} cluster(s) were found.")
for cluster in clusters:
print(f" {cluster['ClusterIdentifier']}")
if __name__ == "__main__":
hello_redshift(boto3.client("redshift"))