Xbase++
Xbase++
DynamoDB - DescribeTable
See more Amazon DynamoDB Examples
Returns information about the table, including the current status of the table, when it was created, the primary key schema, and any indexes on the table.Chilkat Xbase++ Downloads
LOCAL nSuccess
LOCAL oRest
LOCAL oAuthAws
LOCAL nBTls
LOCAL nPort
LOCAL nBAutoReconnect
LOCAL oJson
LOCAL oSbRequestBody
LOCAL oSbResponseBody
LOCAL nRespStatusCode
LOCAL oJsonResponse
LOCAL cAttributeName
LOCAL cAttributeType
LOCAL cKeyType
LOCAL cIndexArn
LOCAL cIndexName
LOCAL nIndexSizeBytes
LOCAL nItemCount
LOCAL cProjectionProjectionType
LOCAL j
LOCAL nCount_j
LOCAL cTableTableArn
LOCAL cTableCreationDateTime
LOCAL nTableItemCount
LOCAL nTableProvisionedThroughputNumberOfDecreasesToday
LOCAL nTableProvisionedThroughputReadCapacityUnits
LOCAL nTableProvisionedThroughputWriteCapacityUnits
LOCAL cTableTableName
LOCAL nTableTableSizeBytes
LOCAL cTableTableStatus
LOCAL i
LOCAL nCount_i
nSuccess := 0
oRest := CreateObject("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.DescribeTable" \
// -d '{
// "TableName":"Thread"
// }'
// Use the following online tool to generate REST code from a CURL command
// Convert a cURL Command to REST Source Code
oAuthAws := CreateObject("Chilkat.AuthAws")
oAuthAws:AccessKey := "AWS_ACCESS_KEY"
oAuthAws: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.)
oAuthAws:Region := "us-west-2"
oAuthAws:ServiceName := "dynamodb"
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
oRest:SetAuthAws(oAuthAws)
// URL: https://dynamodb.us-west-2.amazonaws.com/
nBTls := 1
nPort := 443
nBAutoReconnect := 1
// Don't forget to change the region domain (us-west-2.amazonaws.com) to your particular region.
nSuccess := oRest:Connect("dynamodb.us-west-2.amazonaws.com", nPort, nBTls, nBAutoReconnect)
IF (nSuccess != 1)
? "ConnectFailReason: " + Str(oRest:ConnectFailReason)
? oRest:LastErrorText
oRest:destroy()
oAuthAws:destroy()
RETURN
ENDIF
// 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"
// }
oJson := CreateObject("Chilkat.JsonObject")
oJson:UpdateString("TableName", "Thread")
oRest:AddHeader("Content-Type", "application/x-amz-json-1.0")
oRest:AddHeader("X-Amz-Target", "DynamoDB_20120810.DescribeTable")
oRest:AddHeader("Accept-Encoding", "identity")
oSbRequestBody := CreateObject("Chilkat.StringBuilder")
oJson:EmitSb(oSbRequestBody)
oSbResponseBody := CreateObject("Chilkat.StringBuilder")
nSuccess := oRest:FullRequestSb("POST", "/", oSbRequestBody, oSbResponseBody)
IF (nSuccess != 1)
? oRest:LastErrorText
oRest:destroy()
oAuthAws:destroy()
oJson:destroy()
oSbRequestBody:destroy()
oSbResponseBody:destroy()
RETURN
ENDIF
nRespStatusCode := oRest:ResponseStatusCode
? "response status code = " + Str(nRespStatusCode)
IF (nRespStatusCode >= 400)
? "Response Status Code = " + Str(nRespStatusCode)
? "Response Header:"
? oRest:ResponseHeader
? "Response Body:"
? oSbResponseBody:GetAsString()
oRest:destroy()
oAuthAws:destroy()
oJson:destroy()
oSbRequestBody:destroy()
oSbResponseBody:destroy()
RETURN
ENDIF
oJsonResponse := CreateObject("Chilkat.JsonObject")
oJsonResponse:LoadSb(oSbResponseBody)
oJsonResponse:EmitCompact := 0
? oJsonResponse:Emit()
// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)
// {
// "Table": {
// "TableArn": "arn:aws:dynamodb:us-west-2:123456789012:table/Thread",
// "AttributeDefinitions": [
// {
// "AttributeName": "ForumName",
// "AttributeType": "S"
// },
// {
// "AttributeName": "LastPostDateTime",
// "AttributeType": "S"
// },
// {
// "AttributeName": "Subject",
// "AttributeType": "S"
// }
// ],
// "CreationDateTime": 1.363729002358E9,
// "ItemCount": 0,
// "KeySchema": [
// {
// "AttributeName": "ForumName",
// "KeyType": "HASH"
// },
// {
// "AttributeName": "Subject",
// "KeyType": "RANGE"
// }
// ],
// "LocalSecondaryIndexes": [
// {
// "IndexArn": "arn:aws:dynamodb:us-west-2:123456789012:table/Thread/index/LastPostIndex",
// "IndexName": "LastPostIndex",
// "IndexSizeBytes": 0,
// "ItemCount": 0,
// "KeySchema": [
// {
// "AttributeName": "ForumName",
// "KeyType": "HASH"
// },
// {
// "AttributeName": "LastPostDateTime",
// "KeyType": "RANGE"
// }
// ],
// "Projection": {
// "ProjectionType": "KEYS_ONLY"
// }
// }
// ],
// "ProvisionedThroughput": {
// "NumberOfDecreasesToday": 0,
// "ReadCapacityUnits": 5,
// "WriteCapacityUnits": 5
// },
// "TableName": "Thread",
// "TableSizeBytes": 0,
// "TableStatus": "ACTIVE"
// }
// }
// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON
cTableTableArn := oJsonResponse:StringOf("Table.TableArn")
cTableCreationDateTime := oJsonResponse:StringOf("Table.CreationDateTime")
nTableItemCount := oJsonResponse:IntOf("Table.ItemCount")
nTableProvisionedThroughputNumberOfDecreasesToday := oJsonResponse:IntOf("Table.ProvisionedThroughput.NumberOfDecreasesToday")
nTableProvisionedThroughputReadCapacityUnits := oJsonResponse:IntOf("Table.ProvisionedThroughput.ReadCapacityUnits")
nTableProvisionedThroughputWriteCapacityUnits := oJsonResponse:IntOf("Table.ProvisionedThroughput.WriteCapacityUnits")
cTableTableName := oJsonResponse:StringOf("Table.TableName")
nTableTableSizeBytes := oJsonResponse:IntOf("Table.TableSizeBytes")
cTableTableStatus := oJsonResponse:StringOf("Table.TableStatus")
i := 0
nCount_i := oJsonResponse:SizeOfArray("Table.AttributeDefinitions")
DO WHILE i < nCount_i
oJsonResponse:I := i
cAttributeName := oJsonResponse:StringOf("Table.AttributeDefinitions[i].AttributeName")
cAttributeType := oJsonResponse:StringOf("Table.AttributeDefinitions[i].AttributeType")
i := i + 1
ENDDO
i := 0
nCount_i := oJsonResponse:SizeOfArray("Table.KeySchema")
DO WHILE i < nCount_i
oJsonResponse:I := i
cAttributeName := oJsonResponse:StringOf("Table.KeySchema[i].AttributeName")
cKeyType := oJsonResponse:StringOf("Table.KeySchema[i].KeyType")
i := i + 1
ENDDO
i := 0
nCount_i := oJsonResponse:SizeOfArray("Table.LocalSecondaryIndexes")
DO WHILE i < nCount_i
oJsonResponse:I := i
cIndexArn := oJsonResponse:StringOf("Table.LocalSecondaryIndexes[i].IndexArn")
cIndexName := oJsonResponse:StringOf("Table.LocalSecondaryIndexes[i].IndexName")
nIndexSizeBytes := oJsonResponse:IntOf("Table.LocalSecondaryIndexes[i].IndexSizeBytes")
nItemCount := oJsonResponse:IntOf("Table.LocalSecondaryIndexes[i].ItemCount")
cProjectionProjectionType := oJsonResponse:StringOf("Table.LocalSecondaryIndexes[i].Projection.ProjectionType")
j := 0
nCount_j := oJsonResponse:SizeOfArray("Table.LocalSecondaryIndexes[i].KeySchema")
DO WHILE j < nCount_j
oJsonResponse:J := j
cAttributeName := oJsonResponse:StringOf("Table.LocalSecondaryIndexes[i].KeySchema[j].AttributeName")
cKeyType := oJsonResponse:StringOf("Table.LocalSecondaryIndexes[i].KeySchema[j].KeyType")
j := j + 1
ENDDO
i := i + 1
ENDDO
oRest:destroy()
oAuthAws:destroy()
oJson:destroy()
oSbRequestBody:destroy()
oSbResponseBody:destroy()
oJsonResponse:destroy()