Subject Embedded Firebird 2.1.1 keeps the database file opened
Author Timothy Madden
Hello

I started use embedded Firebird 2.1.1 in my Delphi application (with FBLib)
and I need to create and populate a database file, but if anything goes
wrong, an exception gets thrown, I need to close and delete the database and
then prompt the user to try again.

The problem is the embedded super-server keeps the newly created database
opened.
I use
gfix -force 1 -shut dbFile.fdb

That is I use TFBLService.GFixSetShutdownDb(dbFile.fdb, 1), which is the
equivalent
API call in FBLib.

The database file is still opened by the library after that. I even tried to

FreeLibrary(hDLL)

which, apart from the fact that it later crashes my app, still keeps the new
database opened, even though the debugger says 'Module unload: fbembed.dll
...' at the time I call FreeLibrary. The only way to release the file is to
exit my process.

How can I create a database and then move it or delete it ?
Is this a known issue ? Is this by design ?

It would be awful to create a new process, transparent to the user, that
would load the library and receive db requests from the main app by pipes or
shared memory, just to be able to release the file.

Has anyone had this problem before ? It is really frustrating ...

Thank you,
Timothy Madden


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