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| procedure TZooShaiVCLParadoxForm.btnTestRollBackQueryClick(Sender: TObject);
var
D: string;
begin
dbDataBaseParadox.StartTransaction();
D := 'IC1_' + DateTimeToStr(Now());
qryUpdate.SQL.Text := 'INSERT INTO Contact (class, id) VALUES(:pclass, :pid)';
qryUpdate.ParamByName('pclass').AsString := D;
qryUpdate.ParamByName('pid').AsString := D;
qryUpdate.ExecSQL();
qryUpdate.SQL.Text := 'INSERT INTO Company (class, id) VALUES(:pclass, :pid)';
qryUpdate.ParamByName('pclass').AsString := D;
qryUpdate.ParamByName('pid').AsString := D;
qryUpdate.ExecSQL();
qryUpdate.SQL.Text := 'INSERT INTO Person (class, id) VALUES(:pclass, :pid)';
qryUpdate.ParamByName('pclass').AsString := D;
qryUpdate.ParamByName('pid').AsString := D;
qryUpdate.ExecSQL();
dbDataBaseParadox.Commit();
tblTableContact.Refresh();
tblTableCompany.Refresh();
tblTablePerson.Refresh();
dbDataBaseParadox.StartTransaction();
D := 'IR1_' + DateTimeToStr(Now());
qryUpdate.SQL.Text := 'INSERT INTO Contact (class, id) VALUES(:pclass, :pid)';
qryUpdate.ParamByName('pclass').AsString := D;
qryUpdate.ParamByName('pid').AsString := D;
qryUpdate.ExecSQL();
qryUpdate.SQL.Text := 'INSERT INTO Company (class, id) VALUES(:pclass, :pid)';
qryUpdate.ParamByName('pclass').AsString := D;
qryUpdate.ParamByName('pid').AsString := D;
qryUpdate.ExecSQL();
qryUpdate.SQL.Text := 'INSERT INTO Person (class, id) VALUES(:pclass, :pid)';
qryUpdate.ParamByName('pclass').AsString := D;
qryUpdate.ParamByName('pid').AsString := D;
qryUpdate.ExecSQL();
dbDataBaseParadox.Rollback();
tblTableContact.Refresh();
tblTableCompany.Refresh();
tblTablePerson.Refresh();
dbDataBaseParadox.StartTransaction();
D := 'IC2_' + DateTimeToStr(Now());
qryUpdate.SQL.Text := 'INSERT INTO Contact (class, id) VALUES(:pclass, :pid)';
qryUpdate.ParamByName('pclass').AsString := D;
qryUpdate.ParamByName('pid').AsString := D;
qryUpdate.ExecSQL();
qryUpdate.SQL.Text := 'INSERT INTO Company (class, id) VALUES(:pclass, :pid)';
qryUpdate.ParamByName('pclass').AsString := D;
qryUpdate.ParamByName('pid').AsString := D;
qryUpdate.ExecSQL();
qryUpdate.SQL.Text := 'INSERT INTO Person (class, id) VALUES(:pclass, :pid)';
qryUpdate.ParamByName('pclass').AsString := D;
qryUpdate.ParamByName('pid').AsString := D;
qryUpdate.ExecSQL();
dbDataBaseParadox.Commit();
tblTableContact.Refresh();
tblTableCompany.Refresh();
tblTablePerson.Refresh();
end; |
Partager