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handle unique better

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This commit is contained in:
Damien Elmes 2008-12-01 01:00:01 +09:00
parent a83b41b939
commit 55df77e0d1
1 changed files with 8 additions and 4 deletions
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12
anki/deck.py
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@ -1558,6 +1558,7 @@ select id from fields where factId not in (select id from facts)""")
##########################################################################
def initUndo(self):
# note this code ignores 'unique', as it's an sqlite reserved word
self.undoStack = []
self.redoStack = []
self.undoEnabled = True
@ -1569,9 +1570,7 @@ select id from fields where factId not in (select id from facts)""")
if table in ("undoLog", "sqlite_stat1"):
continue
columns = [r[1] for r in
self.s.all("pragma table_info(%s)" % table)
# this will get renamed post 1.0
if r[1] != "unique"]
self.s.all("pragma table_info(%s)" % table)]
# insert
self.s.statement("""
create temp trigger _undo_%(t)s_it
@ -1585,6 +1584,8 @@ after update on %(t)s begin
insert into undoLog values (null, 'update %(t)s """ % {'t': table}
sep = "set "
for c in columns:
if c == "unique":
continue
sql += "%(s)s%(c)s=' || quote(old.%(c)s) || '" % {
's': sep, 'c': c}
sep = ","
@ -1596,9 +1597,12 @@ create temp trigger _undo_%(t)s_dt
before delete on %(t)s begin
insert into undoLog values (null, 'insert into %(t)s (rowid""" % {'t': table}
for c in columns:
sql += ",%s" % c
sql += ",\"%s\"" % c
sql += ") values (' || old.rowid ||'"
for c in columns:
if c == "unique":
sql += ",1"
continue
sql += ",' || quote(old.%s) ||'" % c
sql += ")'); end"
self.s.statement(sql)