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catch duplicate tags in upgrade

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This commit is contained in:
Damien Elmes 2011-01-26 15:04:32 +09:00
parent ed5a8b0e3e
commit 942307190e
1 changed files with 8 additions and 2 deletions
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10
anki/deck.py
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@ -3847,8 +3847,14 @@ create index if not exists ix_factsDeleted_factId on factsDeleted (factId)""")
deck.s.statement("""
create index if not exists ix_mediaDeleted_factId on mediaDeleted (mediaId)""")
# tags
deck.s.statement("""
create unique index if not exists ix_tags_tag on tags (tag)""")
txt = "create unique index if not exists ix_tags_tag on tags (tag)"
try:
deck.s.statement(txt)
except:
deck.s.statement("""
delete from tags where exists (select 1 from tags t2 where tags.tag = t2.tag
and tags.rowid > t2.rowid)""")
deck.s.statement(txt)
deck.s.statement("""
create index if not exists ix_cardTags_tagCard on cardTags (tagId, cardId)""")
deck.s.statement("""