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DB: Also migrate -shm and -wal to new name #3764 #5045 (#5459)

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Markus Goetz 2017-01-16 15:42:11 +01:00 committed by GitHub
parent 7eb43d7f7e
commit 9d7425b201
1 changed files with 28 additions and 0 deletions
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28
src/libsync/syncjournaldb.cpp
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@ -64,8 +64,12 @@ bool SyncJournalDb::maybeMigrateDb(const QString& localPath, const QString& abso
if( !FileSystem::fileExists(oldDbName) ) {
return true;
}
const QString oldDbNameShm = oldDbName + "-shm";
const QString oldDbNameWal = oldDbName + "-wal";
const QString newDbName = absoluteJournalPath;
const QString newDbNameShm = newDbName + "-shm";
const QString newDbNameWal = newDbName + "-wal";
// Whenever there is an old db file, migrate it to the new db path.
// This is done to make switching from older versions to newer versions
@ -80,12 +84,36 @@ bool SyncJournalDb::maybeMigrateDb(const QString& localPath, const QString& abso
return false;
}
}
if( FileSystem::fileExists( newDbNameWal ) ) {
if( !FileSystem::remove(newDbNameWal, &error) ) {
qDebug() << "Database migration: Could not remove db WAL file" << newDbNameWal
<< "due to" << error;
return false;
}
}
if( FileSystem::fileExists( newDbNameShm ) ) {
if( !FileSystem::remove(newDbNameShm, &error) ) {
qDebug() << "Database migration: Could not remove db SHM file" << newDbNameShm
<< "due to" << error;
return false;
}
}
if( !FileSystem::rename(oldDbName, newDbName, &error) ) {
qDebug() << "Database migration: could not rename " << oldDbName
<< "to" << newDbName << ":" << error;
return false;
}
if( !FileSystem::rename(oldDbNameWal, newDbNameWal, &error) ) {
qDebug() << "Database migration: could not rename " << oldDbNameWal
<< "to" << newDbNameWal << ":" << error;
return false;
}
if( !FileSystem::rename(oldDbNameShm, newDbNameShm, &error) ) {
qDebug() << "Database migration: could not rename " << oldDbNameShm
<< "to" << newDbNameShm << ":" << error;
return false;
}
qDebug() << "Journal successfully migrated from" << oldDbName << "to" << newDbName;
return true;