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OData
 

OData FireDAC Components

Delphi & C++Builder アプリの外部データ接続機能を拡張！

Delphi とC++ Builder アプリをOData にリアルタイム接続。簡単かつ高速です。


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OData FireDAC Component を使えば、Delphi & C++ Builder アプリケーションからOData servicesに簡単に連携できます。 Easy-to-use OData client (consumer) enables developers to build Delphi & C++Builder Apps that easily communicate with OData services.

機能紹介

  • Seamlessly maps SQL-92 queries to OData requests
  • Compatible with OData version 2.0, 3.0, and 4.0
  • Utilizes navigation properties to build a relational model of OData APIs
  • Connect to live OData data, for real-time data access
  • Full support for data aggregation and complex JOINs in SQL queries
  • Secure connectivity through modern cryptography, including TLS 1.2, SHA-256, ECC, etc.

Specifications

  • Native FireDAC Components for OData seamlessly integrate with RAD Studio
  • Comprehensive support for CRUD (Create, Read, Update, & Delete)
  • Full Unicode support for data, parameter, & metadata
  • Support for 32-bit & 64-bit operating systems
  • Requires Delphi, C++ Builder, or RAD Studio 10.2 Professional or higher


AVAILABLE IN:
FireDAC SUBSCRIPTIONS
200+ FireDAC Drivers For Real-Time Data Access
詳細

FireDAC Components

あらゆるデータソースにRDB と同感覚で連携が可能に



標準FireDAC Components


MySQL やSQL Server のようなRDBMS への接続と同感覚。 TDFManager、TDFConnection、TDFQueryUse といった標準FireDAC components として。


	FDConnection1.Name := 'ODataConnection';
	FDConnection1.DriverName := 'CData.Fire.OData';
	with FDConnection1.Params as
	    TFDPhysCDataODataConnectionDefParams do begin

	    ...
	end;


	FDConnection1.Connected := true;
	FDQuery1.Active := true;
	FDQuery1.Open('select * from ODataService');

	...

Type SQL, Get OData


データ連携アプリケーションを開発する最適解。 RDBMS の扱いと同感覚で、OData への連携を、標準SQL で実装可能。JOIN、更新系、集計など多彩なSQL サポート。

SELECT WITH INNER JOIN

	SELECT ODataService.Id, ODataService.Name, ODataService.Fax,
	  Opportunity.AccountId, Opportunity.CloseDate
	FROM ODataService
	INNER JOIN Opportunity
	  ON ODataService.Id = Opportunity.AccountId

集計関数

	SELECT Name, AVG(AnnualRevenue) FROM ODataService GROUP BY Name

CRUD 処理

	UPDATE ODataService SET Name='John' WHERE Id = @myId


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