B4X

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. B4X

Dim success As Boolean = False

Dim rest As ChilkatRest
rest.Initialize("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

Dim authAws As ChilkatAuthAws
authAws.Initialize
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/
Dim bTls As Boolean = True
Dim port As Int = 443
Dim bAutoReconnect As Boolean = 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 Then
    Log("ConnectFailReason: " & rest.ConnectFailReason)
    Log(rest.LastErrorText)
    Return
End If


'  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"
'  }

Dim json As ChilkatJsonObject
json.Initialize
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")

Dim sbRequestBody As ChilkatStringBuilder
sbRequestBody.Initialize
json.EmitSb(sbRequestBody)
Dim sbResponseBody As ChilkatStringBuilder
sbResponseBody.Initialize
success = rest.FullRequestSb("POST", "/", sbRequestBody, sbResponseBody)
If success <> True Then
    Log(rest.LastErrorText)
    Return
End If

Dim respStatusCode As Int = rest.ResponseStatusCode
Log("response status code = " & respStatusCode)
If respStatusCode >= 400 Then
    Log("Response Status Code = " & respStatusCode)
    Log("Response Header:")
    Log(rest.ResponseHeader)
    Log("Response Body:")
    Log(sbResponseBody.GetAsString)
    Return
End If


Dim jsonResponse As ChilkatJsonObject
jsonResponse.Initialize
jsonResponse.LoadSb(sbResponseBody)

jsonResponse.EmitCompact = False
Log(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



Dim TableDescriptionTableArn As String = jsonResponse.StringOf("TableDescription.TableArn")
Dim TableDescriptionItemCount As Int = jsonResponse.IntOf("TableDescription.ItemCount")
Dim TableDescriptionProvisionedThroughputNumberOfDecreasesToday As Int = jsonResponse.IntOf("TableDescription.ProvisionedThroughput.NumberOfDecreasesToday")
Dim TableDescriptionProvisionedThroughputReadCapacityUnits As Int = jsonResponse.IntOf("TableDescription.ProvisionedThroughput.ReadCapacityUnits")
Dim TableDescriptionProvisionedThroughputWriteCapacityUnits As Int = jsonResponse.IntOf("TableDescription.ProvisionedThroughput.WriteCapacityUnits")
Dim TableDescriptionTableName As String = jsonResponse.StringOf("TableDescription.TableName")
Dim TableDescriptionTableSizeBytes As Int = jsonResponse.IntOf("TableDescription.TableSizeBytes")
Dim TableDescriptionTableStatus As String = jsonResponse.StringOf("TableDescription.TableStatus")