C++

DynamoDB - DeleteTable

See more Amazon DynamoDB Examples

The DeleteTable operation deletes a table and all of its items. After a DeleteTable request, the specified table is in the DELETING state until DynamoDB completes the deletion. C++

#include <CkRest.h>
#include <CkAuthAws.h>
#include <CkJsonObject.h>
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    bool success = false;

    CkRest rest;

    //  Implements the following CURL command:

    //  curl -X POST https://dynamodb.us-west-2.amazonaws.com/ \
    //    -H "Accept-Encoding: identity" \
    //    -H "Content-Type: application/x-amz-json-1.0" \
    //    -H "Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=<Headers>, Signature=<Signature>" \
    //    -H "X-Amz-Date: <Date>" \
    //    -H "X-Amz-Target: DynamoDB_20120810.DeleteTable" \
    //    -d '{
    //      "TableName": "Thread"
    //  }'

    //  Use the following online tool to generate REST code from a CURL command
    //  Convert a cURL Command to REST Source Code

    CkAuthAws authAws;
    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("dynamodb");
    //  SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    //  URL: https://dynamodb.us-west-2.amazonaws.com/
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    //  Don't forget to change the region domain (us-west-2.amazonaws.com) to your particular region.
    success = rest.Connect("dynamodb.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);
    if (success != true) {
        std::cout << "ConnectFailReason: " << rest.get_ConnectFailReason() << "\r\n";
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    //  Note: The above code does not need to be repeatedly called for each REST request.
    //  The rest object can be setup once, and then many requests can be sent.  Chilkat will automatically
    //  reconnect within a FullRequest* method as needed.  It is only the very first connection that is explicitly
    //  made via the Connect method.

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

    //  The following JSON is sent in the request body.

    //  {
    //    "TableName": "Thread"
    //  }

    CkJsonObject json;
    json.UpdateString("TableName","Thread");

    rest.AddHeader("Content-Type","application/x-amz-json-1.0");
    rest.AddHeader("X-Amz-Target","DynamoDB_20120810.DeleteTable");
    rest.AddHeader("Accept-Encoding","identity");

    CkStringBuilder sbRequestBody;
    json.EmitSb(sbRequestBody);
    CkStringBuilder sbResponseBody;
    success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    int respStatusCode = rest.get_ResponseStatusCode();
    std::cout << "response status code = " << respStatusCode << "\r\n";
    if (respStatusCode >= 400) {
        std::cout << "Response Status Code = " << respStatusCode << "\r\n";
        std::cout << "Response Header:" << "\r\n";
        std::cout << rest.responseHeader() << "\r\n";
        std::cout << "Response Body:" << "\r\n";
        std::cout << sbResponseBody.getAsString() << "\r\n";
        return;
    }

    CkJsonObject jsonResponse;
    jsonResponse.LoadSb(sbResponseBody);

    jsonResponse.put_EmitCompact(false);
    std::cout << jsonResponse.emit() << "\r\n";

    //  Sample JSON response:
    //  (Sample code for parsing the JSON response is shown below)

    //  {
    //    "TableDescription": {
    //      "TableArn": "arn:aws:dynamodb:us-west-2:123456789012:table/Thread",
    //      "ItemCount": 0,
    //      "ProvisionedThroughput": {
    //        "NumberOfDecreasesToday": 0,
    //        "ReadCapacityUnits": 5,
    //        "WriteCapacityUnits": 5
    //      },
    //      "TableName": "Thread",
    //      "TableSizeBytes": 0,
    //      "TableStatus": "DELETING"
    //    }
    //  }

    //  Sample code for parsing the JSON response...
    //  Use the following 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.

    const char *TableDescriptionTableArn = jsonResponse.stringOf("TableDescription.TableArn");
    int TableDescriptionItemCount = jsonResponse.IntOf("TableDescription.ItemCount");
    int TableDescriptionProvisionedThroughputNumberOfDecreasesToday = jsonResponse.IntOf("TableDescription.ProvisionedThroughput.NumberOfDecreasesToday");
    int TableDescriptionProvisionedThroughputReadCapacityUnits = jsonResponse.IntOf("TableDescription.ProvisionedThroughput.ReadCapacityUnits");
    int TableDescriptionProvisionedThroughputWriteCapacityUnits = jsonResponse.IntOf("TableDescription.ProvisionedThroughput.WriteCapacityUnits");
    const char *TableDescriptionTableName = jsonResponse.stringOf("TableDescription.TableName");
    int TableDescriptionTableSizeBytes = jsonResponse.IntOf("TableDescription.TableSizeBytes");
    const char *TableDescriptionTableStatus = jsonResponse.stringOf("TableDescription.TableStatus");
    }