On 3-8-2011 9:48, Tony Whyman wrote:
> Reiner,
> 
> You can certainly do this with IBX for Lazarus
> (http://www.mwasoftware.co.uk). You will also find there some guidelines
> on using the Firebird embedded library under both Windows and Linux that
> are more general than just IBX.
> 
> If you want to stick with SQLDB then there is a global variable
> UseEmbeddedFirebird that you need to set to force use of the embedded
> library.
> 
Thanks for the suggestion, Tony. I did download and install IBX, but
then I found bug report
http://bugs.freepascal.org/view.php?id=13340
with sample code for regular sqldb.

Adapted this code*:

(*Note: if you don't specify UseEmbeddedFirebird, you can rename
fbembed.dll to fbclient.dll and get the same results - I'd wish somebody
would implement the provided fix in issue
http://bugs.freepascal.org/view.php?id=17664)

//requires ibase60dyn in uses:
  UseEmbeddedFirebird:=true;
  IBConnection1.HostName := '';
  IBConnection1.DatabaseName := DatabaseFile; //
  IBConnection1.Username := 'SYSDBA';
  IBConnection1.Password := 'masterkey';
  IBConnection1.Charset := 'UTF8';
  IBConnection1.Dialect := 3;
  DBParams:=TStringList.Create;
  try
    DBParams.Add('PAGE_SIZE=16384');
    IBConnection1.Params := DBParams;
  finally
  DBParams.Free;
  end;

  if (FileExists(DatabaseFile)=false) then
  begin
      SQLTransaction1.Active:=false;
      IBConnection1.Transaction:=SQLTransaction1;
      IBConnection1.CreateDB; //Create the database file.

      IBConnection1.Open;
      SQLTransaction1.StartTransaction;
      IBConnection1.ExecuteDirect('CREATE TABLE Table1 (id VARCHAR(255),
name VARCHAR(255));');
      SQLTransaction1.Commit;
      IBConnection1.Close;
  end;

  //Finally switch on connection
  IBConnection1.Connected := True;
  IBConnection1.KeepConnection := True;
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