main.pas

ODAC+SDAC源代码

unit Main;

interface

uses
{$IFDEF LINUX}
  SysUtils, Types, Classes, QGraphics, QControls, QForms, QDialogs, QStdCtrls,
  QDBCtrls, QComCtrls, QExtCtrls, QGrids, QDBGrids, OdacClx,
{$ELSE}
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  DBCtrls, ExtCtrls, Grids, DBGrids, StdCtrls, ToolWin, ComCtrls, OdacVcl,
{$ENDIF}
  Db, DBAccess, Ora, OraScript, OraSmart, MemDS;

type
  TfmMain = class(TForm)
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    OraSession: TOraSession;
    btOpen: TButton;
    DBNavigator1: TDBNavigator;
    DataSource2: TDataSource;
    DBGrid2: TDBGrid;
    OraNestedTable: TOraNestedTable;
    DBNavigator2: TDBNavigator;
    btClose: TButton;
    Query: TSmartQuery;
    sqGet: TOraSQL;
    btGetTable: TButton;
    OraNestedTable1: TOraNestedTable;
    DBGrid3: TDBGrid;
    DataSource3: TDataSource;
    DBNavigator3: TDBNavigator;
    btAppendTable: TButton;
    sqAppend: TOraSQL;
    btUpdateTable: TButton;
    sqUpdate: TOraSQL;
    btOpenNested: TButton;
    btCloseNested: TButton;
    btOpenTable: TButton;
    btCloseTable: TButton;
    btImportTable: TButton;
    scCreate: TOraScript;
    scDrop: TOraScript;
    btCreate: TButton;
    btDrop: TButton;
    QueryCODE: TFloatField;
    QueryCONTENT: TOraDataSetField;
    QueryROWID: TStringField;
    ConnectDialog: TConnectDialog;
    cbDebug: TCheckBox;
    procedure btOpenClick(Sender: TObject);
    procedure btCloseClick(Sender: TObject);
    procedure btGetTableClick(Sender: TObject);
    procedure btAppendTableClick(Sender: TObject);
    procedure btUpdateTableClick(Sender: TObject);
    procedure btOpenNestedClick(Sender: TObject);
    procedure btCloseNestedClick(Sender: TObject);
    procedure btOpenTableClick(Sender: TObject);
    procedure btCloseTableClick(Sender: TObject);
    procedure btImportTableClick(Sender: TObject);
    procedure btCreateClick(Sender: TObject);
    procedure btDropClick(Sender: TObject);
    procedure cbDebugClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  fmMain: TfmMain;

implementation
uses
  OraObjects;

{$R *.dfm}

procedure TfmMain.btOpenClick(Sender: TObject);
begin
  Query.Open;
  //if not Query.IsEmpty then
    OraNestedTable.Open;
end;

procedure TfmMain.btCloseClick(Sender: TObject);
begin
  Query.Close;
end;

procedure TfmMain.btGetTableClick(Sender: TObject);
begin
  if not Query.EOF then begin
    sqGet.ParamByName('Code').AsInteger:= Query.FieldByName('Code').AsInteger;
    sqGet.ParamByName('Res').AsTable.CreateObject(OraSession.OCISvcCtx, 'TODACNestedTable');
    sqGet.Execute;
    OraNestedTable1.Table:= sqGet.ParamByName('Res').AsTable;
    OraNestedTable1.Open;
  end;
end;

procedure TfmMain.btAppendTableClick(Sender: TObject);
begin
  sqAppend.ParamByName('Value').AsTable:= OraNestedTable1.Table;
  sqAppend.Execute;
end;

procedure TfmMain.btUpdateTableClick(Sender: TObject);
begin
  if not Query.EOF then begin
    sqUpdate.ParamByName('Code').AsInteger:= Query.FieldByName('Code').AsInteger;
    sqUpdate.ParamByName('Value').AsTable:= OraNestedTable1.Table;
    sqUpdate.Execute;
  end;
end;

procedure TfmMain.btOpenNestedClick(Sender: TObject);
begin
  OraNestedTable.Open;
end;

procedure TfmMain.btCloseNestedClick(Sender: TObject);
begin
  OraNestedTable.Close;
end;

procedure TfmMain.btOpenTableClick(Sender: TObject);
begin
  OraNestedTable1.Open;
end;

procedure TfmMain.btCloseTableClick(Sender: TObject);
begin
  OraNestedTable1.Close;
end;

procedure TfmMain.btImportTableClick(Sender: TObject);
begin
  OraNestedTable1.Table:= Query.GetTable('Content');
  OraNestedTable1.Open;
end;

procedure TfmMain.btCreateClick(Sender: TObject);
begin
  scCreate.Execute;
end;

procedure TfmMain.btDropClick(Sender: TObject);
begin
  scDrop.Execute;
end;

procedure TfmMain.cbDebugClick(Sender: TObject);
begin
  Query.Debug := cbDebug.Checked;
  scCreate.Debug := cbDebug.Checked;
  scDrop.Debug := cbDebug.Checked;
end;

procedure TfmMain.FormShow(Sender: TObject);
begin
  cbDebug.Checked := Query.Debug;
end;

end.