Chilkat Online Tools

BatchGetQueryExecution 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("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");

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;
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.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.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"
//     }
//   ]
// }