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make sure tag index is unique

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This commit is contained in:
Damien Elmes 2009-04-18 04:45:41 +09:00
parent 541dd3e38e
commit 451c266591
1 changed files with 7 additions and 2 deletions
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9
anki/deck.py
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@ -47,7 +47,7 @@ REV_CARDS_NEW_FIRST = 1
REV_CARDS_DUE_FIRST = 2 REV_CARDS_DUE_FIRST = 2
REV_CARDS_RANDOM = 3 REV_CARDS_RANDOM = 3
DECK_VERSION = 32 DECK_VERSION = 33
deckVarsTable = Table( deckVarsTable = Table(
'deckVars', metadata, 'deckVars', metadata,
@ -2570,7 +2570,7 @@ create index if not exists ix_factsDeleted_factId on factsDeleted (factId)""")
create index if not exists ix_mediaDeleted_factId on mediaDeleted (mediaId)""") create index if not exists ix_mediaDeleted_factId on mediaDeleted (mediaId)""")
# tags # tags
deck.s.statement(""" deck.s.statement("""
create index if not exists ix_tags_tag on tags (tag)""") create unique index if not exists ix_tags_tag on tags (tag)""")
deck.s.statement(""" deck.s.statement("""
create index if not exists ix_cardTags_tagCard on cardTags (tagId, cardId)""") create index if not exists ix_cardTags_tagCard on cardTags (tagId, cardId)""")
deck.s.statement(""" deck.s.statement("""
@ -2951,6 +2951,11 @@ nextFactor, reps, thinkingTime, yesCount, noCount from reviewHistory""")
deck.s.execute("analyze") deck.s.execute("analyze")
deck.version = 32 deck.version = 32
deck.s.commit() deck.s.commit()
if deck.version < 33:
deck.s.execute("drop index if exists ix_tags_tag")
DeckStorage._addIndices(deck)
deck.version = 33
deck.s.commit()
# executing a pragma here is very slow on large decks, so we store # executing a pragma here is very slow on large decks, so we store
# our own record # our own record
if not deck.getInt("pageSize") == 4096: if not deck.getInt("pageSize") == 4096: