Löschen einer benannten Abfrage

Das DeleteNamedQueryExample zeigt, wie Sie eine benannte Abfrage mithilfe der ID der benannten Abfrage löschen.

package aws.example.athena;

import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.athena.AthenaClient;
import software.amazon.awssdk.services.athena.model.DeleteNamedQueryRequest;
import software.amazon.awssdk.services.athena.model.AthenaException;
import software.amazon.awssdk.services.athena.model.CreateNamedQueryRequest;
import software.amazon.awssdk.services.athena.model.CreateNamedQueryResponse;

/**
 * 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 DeleteNamedQueryExample {
    public static void main(String[] args) {
        final String USAGE = """

                Usage:
                    <name>

                Where:
                    name - the name of the Amazon Athena query.\s
                """;

        if (args.length != 1) {
            System.out.println(USAGE);
            System.exit(1);
        }

        String name = args[0];
        AthenaClient athenaClient = AthenaClient.builder()
                .region(Region.US_WEST_2)
                .build();

        String sampleNamedQueryId = getNamedQueryId(athenaClient, name);
        deleteQueryName(athenaClient, sampleNamedQueryId);
        athenaClient.close();
    }

    public static void deleteQueryName(AthenaClient athenaClient, String sampleNamedQueryId) {
        try {
            DeleteNamedQueryRequest deleteNamedQueryRequest = DeleteNamedQueryRequest.builder()
                    .namedQueryId(sampleNamedQueryId)
                    .build();

            athenaClient.deleteNamedQuery(deleteNamedQueryRequest);

        } catch (AthenaException e) {
            e.printStackTrace();
            System.exit(1);
        }
    }

    public static String getNamedQueryId(AthenaClient athenaClient, String name) {
        try {
            CreateNamedQueryRequest createNamedQueryRequest = CreateNamedQueryRequest.builder()
                    .database(ExampleConstants.ATHENA_DEFAULT_DATABASE)
                    .queryString(ExampleConstants.ATHENA_SAMPLE_QUERY)
                    .name(name)
                    .description("Sample description")
                    .build();

            CreateNamedQueryResponse createNamedQueryResponse = athenaClient.createNamedQuery(createNamedQueryRequest);
            return createNamedQueryResponse.namedQueryId();

        } catch (AthenaException e) {
            e.printStackTrace();
            System.exit(1);
        }
        return null;
    }
}