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tony |
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(*
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* IBX For Lazarus (Firebird Express)
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*
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* The contents of this file are subject to the Initial Developer's
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* Public License Version 1.0 (the "License"); you may not use this
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* file except in compliance with the License. You may obtain a copy
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* of the License here:
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*
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* http://www.firebirdsql.org/index.php?op=doc&id=idpl
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Initial Developer of the Original Code is Tony Whyman.
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*
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* The Original Code is (C) 2015 Tony Whyman, MWA Software
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* (http://www.mwasoftware.co.uk).
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*
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* All Rights Reserved.
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*
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* Contributor(s): ______________________________________.
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*
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*)
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unit IBXCreateDatabaseFromSQLDlgUnit;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, ExtCtrls,
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StdCtrls, ComCtrls, ibxscript, IB, IBDatabase;
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type
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{ TIBXCreateDatabaseFromSQLDlg }
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TIBXCreateDatabaseFromSQLDlg = class(TForm)
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Bevel1: TBevel;
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IBXScript: TIBXScript;
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Label1: TLabel;
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ProgressBar: TProgressBar;
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procedure FormShow(Sender: TObject);
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procedure IBXScriptCreateDatabase(Sender: TObject;
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var DatabaseFileName: string);
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procedure IBXScriptProgressEvent(Sender: TObject; Reset: boolean;
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value: integer);
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private
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FDatabasePath: string;
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FFileName: string;
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procedure DoRunScript(Data: PtrInt);
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public
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property FileName: string read FFileName write FFileName;
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property DatabasePath: string read FDatabasePath write FDatabasePath;
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end;
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var
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IBXCreateDatabaseFromSQLDlg: TIBXCreateDatabaseFromSQLDlg;
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function CreateNewDatabase(aDatabase: TIBDatabase; DBArchive: string): boolean;
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implementation
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uses IBErrorCodes;
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function CreateNewDatabase(aDatabase: TIBDatabase;
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DBArchive: string): boolean;
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begin
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with TIBXCreateDatabaseFromSQLDlg.Create(Application) do
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try
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FileName := DBArchive;
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IBXScript.Database := aDatabase;
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IBXScript.Transaction := aDatabase.DefaultTransaction;
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DatabasePath := aDatabase.DatabaseName;
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Result := ShowModal = mrOK;
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finally
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Free
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end
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end;
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{$R *.lfm}
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{ TIBXCreateDatabaseFromSQLDlg }
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procedure TIBXCreateDatabaseFromSQLDlg.IBXScriptProgressEvent(Sender: TObject;
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Reset: boolean; value: integer);
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begin
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if Reset then
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ProgressBar.Max := value
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else
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ProgressBar.StepIt;
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Application.ProcessMessages;
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end;
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procedure TIBXCreateDatabaseFromSQLDlg.DoRunScript(Data: PtrInt);
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begin
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try
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ModalResult := mrCancel;
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IBXScript.Database.CreateDatabase; {try to create the database}
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repeat
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try
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if IBXScript.RunScript(FileName) then
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ModalResult := mrOK;
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break;
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except on E:EIBInterBaseError do
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begin
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writeln(E.IBErrorCode);
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if (E.IBErrorCode = isc_io_error) or (E.IBErrorCode = isc_db_or_file_exists) then
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{script contains Create Database Statement}
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begin
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IBXScript.Database.Connected := true;
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IBXScript.Database.DropDatabase;
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{repeat above and let script create database}
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end
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else
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raise;
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end;
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end;
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until false;
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with IBXScript.Transaction do
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if InTransaction then Commit;
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IBXScript.Database.Connected := false;
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except on E:Exception do
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begin
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MessageDlg(E.Message,mtError,[mbOK],0);
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Close;
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end;
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end;
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end;
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procedure TIBXCreateDatabaseFromSQLDlg.FormShow(Sender: TObject);
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begin
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ProgressBar.Position := 0;
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Application.QueueAsyncCall(@DoRunScript,0);
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end;
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procedure TIBXCreateDatabaseFromSQLDlg.IBXScriptCreateDatabase(Sender: TObject;
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var DatabaseFileName: string);
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begin
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DatabaseFileName := DatabasePath;
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end;
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end.
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