Chilkat Online Tools

BatchGetQueryExecution Java Example

Athena

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkRest rest = new CkRest();
    boolean success;

    CkAuthAws authAws = new CkAuthAws();
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");

    // Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
    authAws.put_Region("us-west-2");
    authAws.put_ServiceName("athena");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    // URL: https://athena.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("athena.us-west-2.amazonaws.com",443,true,true);
    if (success != true) {
        System.out.println("ConnectFailReason: " + rest.get_ConnectFailReason());
        System.out.println(rest.lastErrorText());
        return;
        }

    // The following code creates the JSON request body.
    // The JSON created by this code is shown below.

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    CkJsonObject json = new CkJsonObject();
    json.UpdateString("QueryExecutionIds[0]","string");

    // The JSON request body created by the above code:

    // {
    //   "QueryExecutionIds": [
    //     "string"
    //   ]
    // }

    rest.AddHeader("Content-Type","application/x-amz-json-1.1");
    rest.AddHeader("X-Amz-Target","AmazonAthena.BatchGetQueryExecution");

    CkStringBuilder sbRequestBody = new CkStringBuilder();
    json.EmitSb(sbRequestBody);
    CkStringBuilder sbResponseBody = new CkStringBuilder();
    success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody);
    if (success != true) {
        System.out.println(rest.lastErrorText());
        return;
        }

    int respStatusCode = rest.get_ResponseStatusCode();
    System.out.println("response status code = " + respStatusCode);
    if (respStatusCode != 200) {
        System.out.println("Response Header:");
        System.out.println(rest.responseHeader());
        System.out.println("Response Body:");
        System.out.println(sbResponseBody.getAsString());
        return;
        }

    CkJsonObject jResp = new CkJsonObject();
    jResp.LoadSb(sbResponseBody);

    // The following code parses the JSON response.
    // A sample JSON response is shown below the sample code.

    // Use this online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    String EffectiveEngineVersion;
    String SelectedEngineVersion;
    String Query;
    String Catalog;
    String Database;
    String QueryExecutionId;
    String S3AclOption;
    String EncryptionOption;
    String KmsKey;
    String ExpectedBucketOwner;
    String OutputLocation;
    String StatementType;
    String DataManifestLocation;
    int DataScannedInBytes;
    int EngineExecutionTimeInMillis;
    int QueryPlanningTimeInMillis;
    int QueryQueueTimeInMillis;
    int ServiceProcessingTimeInMillis;
    int TotalExecutionTimeInMillis;
    int ErrorCategory;
    String ErrorMessage;
    int ErrorType;
    int Retryable;
    int CompletionDateTime;
    String State;
    String StateChangeReason;
    int SubmissionDateTime;
    String WorkGroup;
    String ErrorCode;

    int i = 0;
    int count_i = jResp.SizeOfArray("QueryExecutions");
    while (i < count_i) {
        jResp.put_I(i);
        EffectiveEngineVersion = jResp.stringOf("QueryExecutions[i].EngineVersion.EffectiveEngineVersion");
        SelectedEngineVersion = jResp.stringOf("QueryExecutions[i].EngineVersion.SelectedEngineVersion");
        Query = jResp.stringOf("QueryExecutions[i].Query");
        Catalog = jResp.stringOf("QueryExecutions[i].QueryExecutionContext.Catalog");
        Database = jResp.stringOf("QueryExecutions[i].QueryExecutionContext.Database");
        QueryExecutionId = jResp.stringOf("QueryExecutions[i].QueryExecutionId");
        S3AclOption = jResp.stringOf("QueryExecutions[i].ResultConfiguration.AclConfiguration.S3AclOption");
        EncryptionOption = jResp.stringOf("QueryExecutions[i].ResultConfiguration.EncryptionConfiguration.EncryptionOption");
        KmsKey = jResp.stringOf("QueryExecutions[i].ResultConfiguration.EncryptionConfiguration.KmsKey");
        ExpectedBucketOwner = jResp.stringOf("QueryExecutions[i].ResultConfiguration.ExpectedBucketOwner");
        OutputLocation = jResp.stringOf("QueryExecutions[i].ResultConfiguration.OutputLocation");
        StatementType = jResp.stringOf("QueryExecutions[i].StatementType");
        DataManifestLocation = jResp.stringOf("QueryExecutions[i].Statistics.DataManifestLocation");
        DataScannedInBytes = jResp.IntOf("QueryExecutions[i].Statistics.DataScannedInBytes");
        EngineExecutionTimeInMillis = jResp.IntOf("QueryExecutions[i].Statistics.EngineExecutionTimeInMillis");
        QueryPlanningTimeInMillis = jResp.IntOf("QueryExecutions[i].Statistics.QueryPlanningTimeInMillis");
        QueryQueueTimeInMillis = jResp.IntOf("QueryExecutions[i].Statistics.QueryQueueTimeInMillis");
        ServiceProcessingTimeInMillis = jResp.IntOf("QueryExecutions[i].Statistics.ServiceProcessingTimeInMillis");
        TotalExecutionTimeInMillis = jResp.IntOf("QueryExecutions[i].Statistics.TotalExecutionTimeInMillis");
        ErrorCategory = jResp.IntOf("QueryExecutions[i].Status.AthenaError.ErrorCategory");
        ErrorMessage = jResp.stringOf("QueryExecutions[i].Status.AthenaError.ErrorMessage");
        ErrorType = jResp.IntOf("QueryExecutions[i].Status.AthenaError.ErrorType");
        Retryable = jResp.IntOf("QueryExecutions[i].Status.AthenaError.Retryable");
        CompletionDateTime = jResp.IntOf("QueryExecutions[i].Status.CompletionDateTime");
        State = jResp.stringOf("QueryExecutions[i].Status.State");
        StateChangeReason = jResp.stringOf("QueryExecutions[i].Status.StateChangeReason");
        SubmissionDateTime = jResp.IntOf("QueryExecutions[i].Status.SubmissionDateTime");
        WorkGroup = jResp.stringOf("QueryExecutions[i].WorkGroup");
        i = i+1;
        }

    i = 0;
    count_i = jResp.SizeOfArray("UnprocessedQueryExecutionIds");
    while (i < count_i) {
        jResp.put_I(i);
        ErrorCode = jResp.stringOf("UnprocessedQueryExecutionIds[i].ErrorCode");
        ErrorMessage = jResp.stringOf("UnprocessedQueryExecutionIds[i].ErrorMessage");
        QueryExecutionId = jResp.stringOf("UnprocessedQueryExecutionIds[i].QueryExecutionId");
        i = i+1;
        }

    // A sample JSON response body parsed by the above code:

    // {
    //   "QueryExecutions": [
    //     {
    //       "EngineVersion": {
    //         "EffectiveEngineVersion": "string",
    //         "SelectedEngineVersion": "string"
    //       },
    //       "Query": "string",
    //       "QueryExecutionContext": {
    //         "Catalog": "string",
    //         "Database": "string"
    //       },
    //       "QueryExecutionId": "string",
    //       "ResultConfiguration": {
    //         "AclConfiguration": {
    //           "S3AclOption": "string"
    //         },
    //         "EncryptionConfiguration": {
    //           "EncryptionOption": "string",
    //           "KmsKey": "string"
    //         },
    //         "ExpectedBucketOwner": "string",
    //         "OutputLocation": "string"
    //       },
    //       "StatementType": "string",
    //       "Statistics": {
    //         "DataManifestLocation": "string",
    //         "DataScannedInBytes": number,
    //         "EngineExecutionTimeInMillis": number,
    //         "QueryPlanningTimeInMillis": number,
    //         "QueryQueueTimeInMillis": number,
    //         "ServiceProcessingTimeInMillis": number,
    //         "TotalExecutionTimeInMillis": number
    //       },
    //       "Status": {
    //         "AthenaError": {
    //           "ErrorCategory": number,
    //           "ErrorMessage": "string",
    //           "ErrorType": number,
    //           "Retryable": boolean
    //         },
    //         "CompletionDateTime": number,
    //         "State": "string",
    //         "StateChangeReason": "string",
    //         "SubmissionDateTime": number
    //       },
    //       "WorkGroup": "string"
    //     }
    //   ],
    //   "UnprocessedQueryExecutionIds": [
    //     {
    //       "ErrorCode": "string",
    //       "ErrorMessage": "string",
    //       "QueryExecutionId": "string"
    //     }
    //   ]
    // }
  }
}