VB.NET

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. VB.NET

Dim success As Boolean = False

Dim rest As New Chilkat.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 New Chilkat.AuthAws
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 Integer = 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
    Debug.WriteLine("ConnectFailReason: " & rest.ConnectFailReason)
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
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 New Chilkat.JsonObject
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 New Chilkat.StringBuilder
json.EmitSb(sbRequestBody)
Dim sbResponseBody As New Chilkat.StringBuilder
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
If (success <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If

Dim respStatusCode As Integer = rest.ResponseStatusCode
Debug.WriteLine("response status code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Status Code = " & respStatusCode)
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(rest.ResponseHeader)
    Debug.WriteLine("Response Body:")
    Debug.WriteLine(sbResponseBody.GetAsString())
    Exit Sub
End If


Dim jsonResponse As New Chilkat.JsonObject
jsonResponse.LoadSb(sbResponseBody)

jsonResponse.EmitCompact = False
Debug.WriteLine(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 Integer = jsonResponse.IntOf("TableDescription.ItemCount")
Dim TableDescriptionProvisionedThroughputNumberOfDecreasesToday As Integer = jsonResponse.IntOf("TableDescription.ProvisionedThroughput.NumberOfDecreasesToday")
Dim TableDescriptionProvisionedThroughputReadCapacityUnits As Integer = jsonResponse.IntOf("TableDescription.ProvisionedThroughput.ReadCapacityUnits")
Dim TableDescriptionProvisionedThroughputWriteCapacityUnits As Integer = jsonResponse.IntOf("TableDescription.ProvisionedThroughput.WriteCapacityUnits")
Dim TableDescriptionTableName As String = jsonResponse.StringOf("TableDescription.TableName")
Dim TableDescriptionTableSizeBytes As Integer = jsonResponse.IntOf("TableDescription.TableSizeBytes")
Dim TableDescriptionTableStatus As String = jsonResponse.StringOf("TableDescription.TableStatus")