GetQueryExecution unicodeC Example
#include <C_CkRestW.h>
#include <C_CkAuthAwsW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkStringBuilderW.h>
void ChilkatSample(void)
{
HCkRestW rest;
BOOL success;
HCkAuthAwsW authAws;
HCkJsonObjectW json;
HCkStringBuilderW sbRequestBody;
HCkStringBuilderW sbResponseBody;
int respStatusCode;
HCkJsonObjectW jResp;
const wchar_t *EffectiveEngineVersion;
const wchar_t *SelectedEngineVersion;
const wchar_t *Query;
const wchar_t *Catalog;
const wchar_t *Database;
const wchar_t *QueryExecutionId;
const wchar_t *S3AclOption;
const wchar_t *EncryptionOption;
const wchar_t *KmsKey;
const wchar_t *ExpectedBucketOwner;
const wchar_t *OutputLocation;
const wchar_t *StatementType;
const wchar_t *DataManifestLocation;
int DataScannedInBytes;
int EngineExecutionTimeInMillis;
int QueryPlanningTimeInMillis;
int QueryQueueTimeInMillis;
int ServiceProcessingTimeInMillis;
int TotalExecutionTimeInMillis;
int ErrorCategory;
const wchar_t *ErrorMessage;
int ErrorType;
int Retryable;
int CompletionDateTime;
const wchar_t *State;
const wchar_t *StateChangeReason;
int SubmissionDateTime;
const wchar_t *WorkGroup;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
rest = CkRestW_Create();
authAws = CkAuthAwsW_Create();
CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY");
CkAuthAwsW_putSecretKey(authAws,L"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.)
CkAuthAwsW_putRegion(authAws,L"us-west-2");
CkAuthAwsW_putServiceName(authAws,L"athena");
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRestW_SetAuthAws(rest,authAws);
// URL: https://athena.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = CkRestW_Connect(rest,L"athena.us-west-2.amazonaws.com",443,TRUE,TRUE);
if (success != TRUE) {
wprintf(L"ConnectFailReason: %d\n",CkRestW_getConnectFailReason(rest));
wprintf(L"%s\n",CkRestW_lastErrorText(rest));
CkRestW_Dispose(rest);
CkAuthAwsW_Dispose(authAws);
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
json = CkJsonObjectW_Create();
CkJsonObjectW_UpdateString(json,L"QueryExecutionId",L"string");
// The JSON request body created by the above code:
// {
// "QueryExecutionId": "string"
// }
CkRestW_AddHeader(rest,L"Content-Type",L"application/x-amz-json-1.1");
CkRestW_AddHeader(rest,L"X-Amz-Target",L"AmazonAthena.GetQueryExecution");
sbRequestBody = CkStringBuilderW_Create();
CkJsonObjectW_EmitSb(json,sbRequestBody);
sbResponseBody = CkStringBuilderW_Create();
success = CkRestW_FullRequestSb(rest,L"POST",L"/",sbRequestBody,sbResponseBody);
if (success != TRUE) {
wprintf(L"%s\n",CkRestW_lastErrorText(rest));
CkRestW_Dispose(rest);
CkAuthAwsW_Dispose(authAws);
CkJsonObjectW_Dispose(json);
CkStringBuilderW_Dispose(sbRequestBody);
CkStringBuilderW_Dispose(sbResponseBody);
return;
}
respStatusCode = CkRestW_getResponseStatusCode(rest);
wprintf(L"response status code = %d\n",respStatusCode);
if (respStatusCode != 200) {
wprintf(L"Response Header:\n");
wprintf(L"%s\n",CkRestW_responseHeader(rest));
wprintf(L"Response Body:\n");
wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponseBody));
CkRestW_Dispose(rest);
CkAuthAwsW_Dispose(authAws);
CkJsonObjectW_Dispose(json);
CkStringBuilderW_Dispose(sbRequestBody);
CkStringBuilderW_Dispose(sbResponseBody);
return;
}
jResp = CkJsonObjectW_Create();
CkJsonObjectW_LoadSb(jResp,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
// Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
// See this example explaining how this memory should be used: const char * functions.
EffectiveEngineVersion = CkJsonObjectW_stringOf(jResp,L"QueryExecution.EngineVersion.EffectiveEngineVersion");
SelectedEngineVersion = CkJsonObjectW_stringOf(jResp,L"QueryExecution.EngineVersion.SelectedEngineVersion");
Query = CkJsonObjectW_stringOf(jResp,L"QueryExecution.Query");
Catalog = CkJsonObjectW_stringOf(jResp,L"QueryExecution.QueryExecutionContext.Catalog");
Database = CkJsonObjectW_stringOf(jResp,L"QueryExecution.QueryExecutionContext.Database");
QueryExecutionId = CkJsonObjectW_stringOf(jResp,L"QueryExecution.QueryExecutionId");
S3AclOption = CkJsonObjectW_stringOf(jResp,L"QueryExecution.ResultConfiguration.AclConfiguration.S3AclOption");
EncryptionOption = CkJsonObjectW_stringOf(jResp,L"QueryExecution.ResultConfiguration.EncryptionConfiguration.EncryptionOption");
KmsKey = CkJsonObjectW_stringOf(jResp,L"QueryExecution.ResultConfiguration.EncryptionConfiguration.KmsKey");
ExpectedBucketOwner = CkJsonObjectW_stringOf(jResp,L"QueryExecution.ResultConfiguration.ExpectedBucketOwner");
OutputLocation = CkJsonObjectW_stringOf(jResp,L"QueryExecution.ResultConfiguration.OutputLocation");
StatementType = CkJsonObjectW_stringOf(jResp,L"QueryExecution.StatementType");
DataManifestLocation = CkJsonObjectW_stringOf(jResp,L"QueryExecution.Statistics.DataManifestLocation");
DataScannedInBytes = CkJsonObjectW_IntOf(jResp,L"QueryExecution.Statistics.DataScannedInBytes");
EngineExecutionTimeInMillis = CkJsonObjectW_IntOf(jResp,L"QueryExecution.Statistics.EngineExecutionTimeInMillis");
QueryPlanningTimeInMillis = CkJsonObjectW_IntOf(jResp,L"QueryExecution.Statistics.QueryPlanningTimeInMillis");
QueryQueueTimeInMillis = CkJsonObjectW_IntOf(jResp,L"QueryExecution.Statistics.QueryQueueTimeInMillis");
ServiceProcessingTimeInMillis = CkJsonObjectW_IntOf(jResp,L"QueryExecution.Statistics.ServiceProcessingTimeInMillis");
TotalExecutionTimeInMillis = CkJsonObjectW_IntOf(jResp,L"QueryExecution.Statistics.TotalExecutionTimeInMillis");
ErrorCategory = CkJsonObjectW_IntOf(jResp,L"QueryExecution.Status.AthenaError.ErrorCategory");
ErrorMessage = CkJsonObjectW_stringOf(jResp,L"QueryExecution.Status.AthenaError.ErrorMessage");
ErrorType = CkJsonObjectW_IntOf(jResp,L"QueryExecution.Status.AthenaError.ErrorType");
Retryable = CkJsonObjectW_IntOf(jResp,L"QueryExecution.Status.AthenaError.Retryable");
CompletionDateTime = CkJsonObjectW_IntOf(jResp,L"QueryExecution.Status.CompletionDateTime");
State = CkJsonObjectW_stringOf(jResp,L"QueryExecution.Status.State");
StateChangeReason = CkJsonObjectW_stringOf(jResp,L"QueryExecution.Status.StateChangeReason");
SubmissionDateTime = CkJsonObjectW_IntOf(jResp,L"QueryExecution.Status.SubmissionDateTime");
WorkGroup = CkJsonObjectW_stringOf(jResp,L"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"
// }
// }
CkRestW_Dispose(rest);
CkAuthAwsW_Dispose(authAws);
CkJsonObjectW_Dispose(json);
CkStringBuilderW_Dispose(sbRequestBody);
CkStringBuilderW_Dispose(sbResponseBody);
CkJsonObjectW_Dispose(jResp);
}
