Chilkat Online Tools

GetQueryExecution C# Example

Athena

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Rest rest = new Chilkat.Rest();
bool success;

Chilkat.AuthAws authAws = new Chilkat.AuthAws();
authAws.AccessKey = "AWS_ACCESS_KEY";
authAws.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.Region = "us-west-2";
authAws.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) {
    Debug.WriteLine("ConnectFailReason: " + Convert.ToString(rest.ConnectFailReason));
    Debug.WriteLine(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

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("QueryExecutionId","string");

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

// {
//   "QueryExecutionId": "string"
// }

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

Chilkat.StringBuilder sbRequestBody = new Chilkat.StringBuilder();
json.EmitSb(sbRequestBody);
Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody);
if (success != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

int respStatusCode = rest.ResponseStatusCode;
Debug.WriteLine("response status code = " + Convert.ToString(respStatusCode));
if (respStatusCode != 200) {
    Debug.WriteLine("Response Header:");
    Debug.WriteLine(rest.ResponseHeader);
    Debug.WriteLine("Response Body:");
    Debug.WriteLine(sbResponseBody.GetAsString());
    return;
}

Chilkat.JsonObject jResp = new Chilkat.JsonObject();
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 = jResp.StringOf("QueryExecution.EngineVersion.EffectiveEngineVersion");
string SelectedEngineVersion = jResp.StringOf("QueryExecution.EngineVersion.SelectedEngineVersion");
string Query = jResp.StringOf("QueryExecution.Query");
string Catalog = jResp.StringOf("QueryExecution.QueryExecutionContext.Catalog");
string Database = jResp.StringOf("QueryExecution.QueryExecutionContext.Database");
string QueryExecutionId = jResp.StringOf("QueryExecution.QueryExecutionId");
string S3AclOption = jResp.StringOf("QueryExecution.ResultConfiguration.AclConfiguration.S3AclOption");
string EncryptionOption = jResp.StringOf("QueryExecution.ResultConfiguration.EncryptionConfiguration.EncryptionOption");
string KmsKey = jResp.StringOf("QueryExecution.ResultConfiguration.EncryptionConfiguration.KmsKey");
string ExpectedBucketOwner = jResp.StringOf("QueryExecution.ResultConfiguration.ExpectedBucketOwner");
string OutputLocation = jResp.StringOf("QueryExecution.ResultConfiguration.OutputLocation");
string StatementType = jResp.StringOf("QueryExecution.StatementType");
string DataManifestLocation = jResp.StringOf("QueryExecution.Statistics.DataManifestLocation");
int DataScannedInBytes = jResp.IntOf("QueryExecution.Statistics.DataScannedInBytes");
int EngineExecutionTimeInMillis = jResp.IntOf("QueryExecution.Statistics.EngineExecutionTimeInMillis");
int QueryPlanningTimeInMillis = jResp.IntOf("QueryExecution.Statistics.QueryPlanningTimeInMillis");
int QueryQueueTimeInMillis = jResp.IntOf("QueryExecution.Statistics.QueryQueueTimeInMillis");
int ServiceProcessingTimeInMillis = jResp.IntOf("QueryExecution.Statistics.ServiceProcessingTimeInMillis");
int TotalExecutionTimeInMillis = jResp.IntOf("QueryExecution.Statistics.TotalExecutionTimeInMillis");
int ErrorCategory = jResp.IntOf("QueryExecution.Status.AthenaError.ErrorCategory");
string ErrorMessage = jResp.StringOf("QueryExecution.Status.AthenaError.ErrorMessage");
int ErrorType = jResp.IntOf("QueryExecution.Status.AthenaError.ErrorType");
int Retryable = jResp.IntOf("QueryExecution.Status.AthenaError.Retryable");
int CompletionDateTime = jResp.IntOf("QueryExecution.Status.CompletionDateTime");
string State = jResp.StringOf("QueryExecution.Status.State");
string StateChangeReason = jResp.StringOf("QueryExecution.Status.StateChangeReason");
int SubmissionDateTime = jResp.IntOf("QueryExecution.Status.SubmissionDateTime");
string WorkGroup = jResp.StringOf("QueryExecution.WorkGroup");

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

// {
//   "QueryExecution": {
//     "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"
//   }
// }