Dart

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. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  final rest = CkRest();

  // 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

  final authAws = CkAuthAws();
  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 = '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/
  final bTls = true;
  final port = 443;
  final bAutoReconnect = true;
  // Don't forget to change the region domain (us-west-2.amazonaws.com) to your particular region.
  try {
    rest.connect('dynamodb.us-west-2.amazonaws.com', port, bTls, bAutoReconnect);
  } on ChilkatException catch (e) {
    print('ConnectFailReason: ${rest.connectFailReason}');
    print(e.lastErrorText);
    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"
  // }

  final json = CkJsonObject();
  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');

  final sbRequestBody = CkStringBuilder();
  json.emitSb(sbRequestBody);
  final sbResponseBody = CkStringBuilder();
  try {
    rest.fullRequestSb('POST', '/', sbRequestBody, sbResponseBody);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final respStatusCode = rest.responseStatusCode;
  print('response status code = $respStatusCode');
  if (respStatusCode >= 400) {
    print('Response Status Code = $respStatusCode');
    print('Response Header:');
    print(rest.responseHeader);
    print('Response Body:');
    print(sbResponseBody.getAsString());
    return;
  }

  final jsonResponse = CkJsonObject();
  jsonResponse.loadSb(sbResponseBody);

  jsonResponse.emitCompact = false;
  print(jsonResponse.emit());

  // 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

  final tableDescriptionTableArn = jsonResponse.stringOf('TableDescription.TableArn');
  final tableDescriptionItemCount = jsonResponse.intOf('TableDescription.ItemCount');
  final tableDescriptionProvisionedThroughputNumberOfDecreasesToday = jsonResponse.intOf('TableDescription.ProvisionedThroughput.NumberOfDecreasesToday');
  final tableDescriptionProvisionedThroughputReadCapacityUnits = jsonResponse.intOf('TableDescription.ProvisionedThroughput.ReadCapacityUnits');
  final tableDescriptionProvisionedThroughputWriteCapacityUnits = jsonResponse.intOf('TableDescription.ProvisionedThroughput.WriteCapacityUnits');
  final tableDescriptionTableName = jsonResponse.stringOf('TableDescription.TableName');
  final tableDescriptionTableSizeBytes = jsonResponse.intOf('TableDescription.TableSizeBytes');
  final tableDescriptionTableStatus = jsonResponse.stringOf('TableDescription.TableStatus');
}