[SailfishDevel] Getting odd error when attempting to use LocalStorage.changeVersion

Rob Hoelz rob at hoelz.ro
Sat Feb 15 16:42:15 UTC 2014


On Sat, 15 Feb 2014 01:47:52 +0100
Rob Hoelz <rob at hoelz.ro> wrote:

> Hi all,
> 
> I'm working on an update for my Sudoku application, and one of the new
> features necessitates a storage schema change.  So I wrote a utility
> function that tries to open a connection with the correct version, and
> falls back to calling db.changeVersion if there is a version mismatch.
> After testing my new code out, I get the following output from my
> application:
> 
> [nemo at jolla Databases]$ harbour-sudoku 
> [D] QWaylandEglIntegration::QWaylandEglIntegration:58 - Using
> Wayland-EGL [W] QQmlImportDatabase::importPlugin:1697 - Module
> 'Sailfish.Silica' does not contain a module identifier directive - it
> cannot be protected from external registrations. [D]
> MLocalThemeDaemonClient::MLocalThemeDaemonClient:81 -
> MLocalThemeDaemonClient::MLocalThemeDaemonClient(const
> QString&,QObject*) Theme:  "jolla-ambient" [D]
> MLocalThemeDaemonClient::MLocalThemeDaemonClient:112 -
> LocalThemeDaemonClient: Looking for assets in
> ("/usr/share/themes/blanco/meegotouch",
> "/usr/share/themes/jolla-ambient/meegotouch") [W]
> QSqlDatabasePrivate::database:280 - QSqlDatabasePrivate::database:
> unable to open database: " " QSqlQuery::prepare: database not open
> DeclarativeCoverWindow: I have a default alpha buffer [W]
> QSqlDatabasePrivate::database:280 - QSqlDatabasePrivate::database:
> unable to open database: " " [W] QSqlDatabasePrivate::database:280 -
> QSqlDatabasePrivate::database: unable to open database: " "
> QSqlQuery::prepare: database not open
> 
> Here's the code for the routine in question:
> https://github.com/hoelzro/harbour-sudoku/blob/db-upgrade/qml/pages/SudokuBoard.qml#L126
> 
> It looks to me like once LocalStorage attempts to open a database and
> fails, it doesn't actually open databases in the future, but I could
> be misunderstanding something.
> 
> If anyone could help, I'd really appreciate it.
> 
> Thanks,
> Rob
> _______________________________________________
> SailfishOS.org Devel mailing list
> 

This seems to be a generic Qt issue; I've started a thread here:

http://qt-project.org/forums/viewthread/38458/

-Rob


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