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must make sure to detach old media db before renaming

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This commit is contained in:
Damien Elmes 2014-07-05 07:21:32 +09:00
parent a5d9131445
commit 1cb2aa077a
1 changed files with 2 additions and 3 deletions
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5
anki/media.py
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@ -78,8 +78,8 @@ create table meta (dirMod int, lastUsn int); insert into meta values (0, 0);
def maybeUpgrade(self): def maybeUpgrade(self):
oldpath = self.dir()+".db" oldpath = self.dir()+".db"
if os.path.exists(oldpath): if os.path.exists(oldpath):
self.db.execute('attach "../collection.media.db" as old')
try: try:
self.db.execute('attach "../collection.media.db" as old')
self.db.execute(""" self.db.execute("""
insert into media insert into media
select m.fname, csum, mod, ifnull((select 1 from log l2 where l2.fname=m.fname), 0) as dirty select m.fname, csum, mod, ifnull((select 1 from log l2 where l2.fname=m.fname), 0) as dirty
@ -91,13 +91,12 @@ create table meta (dirMod int, lastUsn int); insert into meta values (0, 0);
self.db.execute(""" self.db.execute("""
insert into meta select dirMod, usn from old.meta insert into meta select dirMod, usn from old.meta
""") """)
self.db.execute("detach old")
self.db.commit() self.db.commit()
self.db.execute("vacuum analyze")
except Exception, e: except Exception, e:
# if we couldn't import the old db for some reason, just start # if we couldn't import the old db for some reason, just start
# anew # anew
self.col.log("failed to import old media db:"+traceback.format_exc()) self.col.log("failed to import old media db:"+traceback.format_exc())
self.db.execute("detach old")
os.rename("../collection.media.db", "../collection.media.db.old") os.rename("../collection.media.db", "../collection.media.db.old")
def close(self): def close(self):