Componentes.Terceros.jvcl/official/3.39/run/JvDBActionsEngineDatasetAdo.pas
2010-01-18 16:55:50 +00:00

101 lines
3.1 KiB
ObjectPascal

{-----------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/MPL-1.1.html
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
the specific language governing rights and limitations under the License.
The Original Code is: JvDBActionsEngineDatasetAdo.Pas, released on 2004-12-30.
The Initial Developer of the Original Code is Jens Fudickar [jens dott fudicker att oratool dott de]
Portions created by Jens Fudickar are Copyright (C) 2002 Jens Fudickar.
All Rights Reserved.
Contributor(s): -
You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
located at http://jvcl.delphi-jedi.org
Known Issues:
-----------------------------------------------------------------------------}
// $Id: JvDBActionsEngineDatasetAdo.pas 12461 2009-08-14 17:21:33Z obones $
unit JvDBActionsEngineDatasetAdo;
{$I jvcl.inc}
interface
uses
{$IFDEF UNITVERSIONING}
JclUnitVersioning,
{$ENDIF UNITVERSIONING}
Classes, DB,
JvDBActionsEngine;
type
TJvDatabaseActionAdoDatasetEngine = class(TJvDatabaseActionBaseDatasetEngine)
public
function GetSQL(AActionComponent : TComponent): string; override;
function SupportsComponent(AActionComponent : TComponent): Boolean; override;
function SupportsGetSQL(AActionComponent : TComponent): Boolean; override;
end;
{$IFDEF UNITVERSIONING}
const
UnitVersioning: TUnitVersionInfo = (
RCSfile: '$URL: https://jvcl.svn.sourceforge.net/svnroot/jvcl/tags/JVCL3_39/run/JvDBActionsEngineDatasetAdo.pas $';
Revision: '$Revision: 12461 $';
Date: '$Date: 2009-08-14 19:21:33 +0200 (ven., 14 août 2009) $';
LogPath: 'JVCL\run'
);
{$ENDIF UNITVERSIONING}
implementation
uses
AdoDb;
function TJvDatabaseActionAdoDatasetEngine.GetSQL(AActionComponent :
TComponent): string;
begin
if AActionComponent is TADOQuery then
Result := TADOQuery(AActionComponent).SQL.Text
else
if AActionComponent is TAdoTable then
Result := 'SELECT * FROM ' + TADOTable(AActionComponent).TableName;
end;
function TJvDatabaseActionAdoDatasetEngine.SupportsComponent(AActionComponent :
TComponent): Boolean;
begin
Result := (AActionComponent is TADOQuery) or (AActionComponent is TADOTable);
end;
function TJvDatabaseActionAdoDatasetEngine.SupportsGetSQL(AActionComponent :
TComponent): Boolean;
begin
Result := True;
end;
procedure InitActionEngineList;
begin
RegisterDatabaseActionEngine(TJvDatabaseActionAdoDatasetEngine);
end;
initialization
{$IFDEF UNITVERSIONING}
RegisterUnitVersion(HInstance, UnitVersioning);
{$ENDIF UNITVERSIONING}
InitActionEngineList;
finalization
{$IFDEF UNITVERSIONING}
UnregisterUnitVersion(HInstance);
{$ENDIF UNITVERSIONING}
end.