* Prevent DatabaseWorker from executing commands for offline sources.

src/libtomahawk/database/databaseworker.cpp

@@ -86,6 +86,8 @@ DatabaseWorker::doWork()
         Q_UNUSED( transok );
     }
     try
+    {
+        if ( !cmd->source().isNull() && !cmd->source()->collection().isNull() )
         {
             cmd->_exec( m_dbimpl ); // runs actual SQL stuff
 
@@ -146,6 +148,7 @@ DatabaseWorker::doWork()
             cmd->postCommit();
             //qDebug() << "Post commit finished for"<<  cmd->commandname();
         }
+    }
     catch( const char * msg )
     {
         qDebug() << endl

src/libtomahawk/database/fuzzyindex.cpp

@@ -48,6 +48,7 @@ FuzzyIndex::beginIndexing()
 
     try
     {
+        qDebug() << Q_FUNC_INFO << "Starting indexing.";
         if ( m_luceneReader != 0 )
         {
             qDebug() << "Deleting old lucene stuff.";