JP <[EMAIL PROTECTED]> wrote:
> I don't know if it is a bug or works as designed, but, should VACUUM be 
> changing the format of the DB?
> 
> I created a database with sqlite 3.2.7, and after a VACUUM in sqlite 
> 3.3.6 I could no longer open it in the older program - error message #1, 
> unsupported file format.
> 

VACUUM does update the database to the latest file format.
You can prevent this using either a pragma

    PRAGMA legacy_file_format=ON;

Or by compiling SQLite with -DSQLITE_DEFAULT_FILE_FORMAT=1
--
D. Richard Hipp   <[EMAIL PROTECTED]>

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