(Delphi DLL) Azure Table Insert Entity

See more Azure Table Service Examples

Insert an entity into an Azure table.

For more information, see https://docs.microsoft.com/en-us/rest/api/storageservices/insert-entity

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX 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
rest: HCkRest;
success: Boolean;
bTls: Boolean;
port: Integer;
bAutoReconnect: Boolean;
azAuth: HCkAuthAzureStorage;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;

begin
// 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;