BatchGetQueryExecution Objective-C Example
#import <CkoRest.h>
#import <CkoAuthAws.h>
#import <CkoJsonObject.h>
#import <CkoStringBuilder.h>
#import <NSString.h>
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
CkoRest *rest = [[CkoRest alloc] init];
BOOL success;
CkoAuthAws *authAws = [[CkoAuthAws alloc] init];
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" port: [NSNumber numberWithInt: 443] tls: YES autoReconnect: YES];
if (success != YES) {
NSLog(@"%@%d",@"ConnectFailReason: ",[rest.ConnectFailReason intValue]);
NSLog(@"%@",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
CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"QueryExecutionIds[0]" value: @"string"];
// The JSON request body created by the above code:
// {
// "QueryExecutionIds": [
// "string"
// ]
// }
[rest AddHeader: @"Content-Type" value: @"application/x-amz-json-1.1"];
[rest AddHeader: @"X-Amz-Target" value: @"AmazonAthena.BatchGetQueryExecution"];
CkoStringBuilder *sbRequestBody = [[CkoStringBuilder alloc] init];
[json EmitSb: sbRequestBody];
CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [rest FullRequestSb: @"POST" uriPath: @"/" requestBody: sbRequestBody responseBody: sbResponseBody];
if (success != YES) {
NSLog(@"%@",rest.LastErrorText);
return;
}
int respStatusCode = [rest.ResponseStatusCode intValue];
NSLog(@"%@%d",@"response status code = ",respStatusCode);
if (respStatusCode != 200) {
NSLog(@"%@",@"Response Header:");
NSLog(@"%@",rest.ResponseHeader);
NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[sbResponseBody GetAsString]);
return;
}
CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[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
NSString *EffectiveEngineVersion = 0;
NSString *SelectedEngineVersion = 0;
NSString *Query = 0;
NSString *Catalog = 0;
NSString *Database = 0;
NSString *QueryExecutionId = 0;
NSString *S3AclOption = 0;
NSString *EncryptionOption = 0;
NSString *KmsKey = 0;
NSString *ExpectedBucketOwner = 0;
NSString *OutputLocation = 0;
NSString *StatementType = 0;
NSString *DataManifestLocation = 0;
int DataScannedInBytes;
int EngineExecutionTimeInMillis;
int QueryPlanningTimeInMillis;
int QueryQueueTimeInMillis;
int ServiceProcessingTimeInMillis;
int TotalExecutionTimeInMillis;
int ErrorCategory;
NSString *ErrorMessage = 0;
int ErrorType;
int Retryable;
int CompletionDateTime;
NSString *State = 0;
NSString *StateChangeReason = 0;
int SubmissionDateTime;
NSString *WorkGroup = 0;
NSString *ErrorCode = 0;
int i = 0;
int count_i = [[jResp SizeOfArray: @"QueryExecutions"] intValue];
while (i < count_i) {
jResp.I = [NSNumber numberWithInt: 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"] intValue];
EngineExecutionTimeInMillis = [[jResp IntOf: @"QueryExecutions[i].Statistics.EngineExecutionTimeInMillis"] intValue];
QueryPlanningTimeInMillis = [[jResp IntOf: @"QueryExecutions[i].Statistics.QueryPlanningTimeInMillis"] intValue];
QueryQueueTimeInMillis = [[jResp IntOf: @"QueryExecutions[i].Statistics.QueryQueueTimeInMillis"] intValue];
ServiceProcessingTimeInMillis = [[jResp IntOf: @"QueryExecutions[i].Statistics.ServiceProcessingTimeInMillis"] intValue];
TotalExecutionTimeInMillis = [[jResp IntOf: @"QueryExecutions[i].Statistics.TotalExecutionTimeInMillis"] intValue];
ErrorCategory = [[jResp IntOf: @"QueryExecutions[i].Status.AthenaError.ErrorCategory"] intValue];
ErrorMessage = [jResp StringOf: @"QueryExecutions[i].Status.AthenaError.ErrorMessage"];
ErrorType = [[jResp IntOf: @"QueryExecutions[i].Status.AthenaError.ErrorType"] intValue];
Retryable = [[jResp IntOf: @"QueryExecutions[i].Status.AthenaError.Retryable"] intValue];
CompletionDateTime = [[jResp IntOf: @"QueryExecutions[i].Status.CompletionDateTime"] intValue];
State = [jResp StringOf: @"QueryExecutions[i].Status.State"];
StateChangeReason = [jResp StringOf: @"QueryExecutions[i].Status.StateChangeReason"];
SubmissionDateTime = [[jResp IntOf: @"QueryExecutions[i].Status.SubmissionDateTime"] intValue];
WorkGroup = [jResp StringOf: @"QueryExecutions[i].WorkGroup"];
i = i + 1;
}
i = 0;
count_i = [[jResp SizeOfArray: @"UnprocessedQueryExecutionIds"] intValue];
while (i < count_i) {
jResp.I = [NSNumber numberWithInt: 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"
// }
// ]
// }
