Delphi DLL

Azure Table Insert Entity

See more Azure Table Service Examples

Insert an entity into an Azure table. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, StringBuilder, Rest, AuthAzureStorage, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
rest: HCkRest;
bTls: Boolean;
port: Integer;
bAutoReconnect: Boolean;
azAuth: HCkAuthAzureStorage;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;

begin
success := False;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

rest := CkRest_Create();

// IMPORTANT: Make sure to change "myaccount" to your actual Azure Storage Account name.
// IMPORTANT: Also change "mytable" to the name of your Azure table.
// We're going to POST to this URL:  https://myaccount.table.core.windows.net/mytable
bTls := True;
port := 443;
bAutoReconnect := True;
success := CkRest_Connect(rest,'myaccount.table.core.windows.net',port,bTls,bAutoReconnect);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// Provide Azure Cloud credentials for the REST call.
azAuth := CkAuthAzureStorage_Create();
CkAuthAzureStorage_putAccessKey(azAuth,'AZURE_ACCESS_KEY');
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
CkAuthAzureStorage_putAccount(azAuth,'myaccount');
CkAuthAzureStorage_putScheme(azAuth,'SharedKey');
CkAuthAzureStorage_putService(azAuth,'Table');

// This causes the "x-ms-version: 2019-07-07" header to be automatically added.
CkAuthAzureStorage_putXMsVersion(azAuth,'2019-07-07');
success := CkRest_SetAuthAzureStorage(rest,azAuth);

// Note: The application does not need to explicitly set the following
// headers: Content-Length, x-ms-date, Authorization.  These headers
// are automatically set by Chilkat.

// 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.

// {  
//    "PartitionKey":"mypartitionkey",  
//    "RowKey":"myrowkey",  
//    "Timestamp":"2013-08-22T01:12:06.2608595Z",  
//    "Address":"Mountain View",  
//    "Age":23,  
//    "AmountDue":200.23,  
//    "CustomerCode":"c9da6455-213d-42c9-9a79-3e9149a57833",  
//    "CustomerSince":"2008-07-10T00:00:00",  
//    "IsActive":true,  
//    "NumberOfOrders":"255"  
// }  

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'PartitionKey','mypartitionkey');
CkJsonObject_UpdateString(json,'RowKey','myrowkey');
CkJsonObject_UpdateString(json,'Timestamp','2013-08-22T01:12:06.2608595Z');
CkJsonObject_UpdateString(json,'Address','Mountain View');
CkJsonObject_UpdateInt(json,'Age',23);
CkJsonObject_UpdateNumber(json,'AmountDue','200.23');
CkJsonObject_UpdateString(json,'CustomerCode','c9da6455-213d-42c9-9a79-3e9149a57833');
CkJsonObject_UpdateString(json,'CustomerSince','2008-07-10T00:00:00');
CkJsonObject_UpdateBool(json,'IsActive',True);
CkJsonObject_UpdateString(json,'NumberOfOrders','255');

// IMPORTANT: Pay attention to the options for nometadata, minimalmetadata, or fullmetadata.
// See the Azure table service API documentation at https://docs.microsoft.com/en-us/rest/api/storageservices/insert-entity
CkRest_AddHeader(rest,'Accept','application/json;odata=nometadata');
CkRest_AddHeader(rest,'Prefer','return-no-content');
CkRest_AddHeader(rest,'Content-Type','application/json');

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
// IMPORTANT: Change "mytable" to the name of your actual table.
success := CkRest_FullRequestSb(rest,'POST','/mytable',sbRequestBody,sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// A status code of 204 is a success response for the case where Prefer=return-no-content.
respStatusCode := CkRest_getResponseStatusCode(rest);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

Memo1.Lines.Add('Success.');

CkRest_Dispose(rest);
CkAuthAzureStorage_Dispose(azAuth);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);

end;