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2014/10/15 ¤U¤È 10:15:07
iphone Programming Glossary: tupleSQLlite3 Update statment has no effect http://stackoverflow.com/questions/6622582/sqllite3-update-statment-has-no-effect value as an alias for the rowid and another implementation might not. If given the value 10 one might retrieve the tuple whose rowid 10 and one might retrieve the tuple where the specified column's value 10. This of course leads to spurious.. implementation might not. If given the value 10 one might retrieve the tuple whose rowid 10 and one might retrieve the tuple where the specified column's value 10. This of course leads to spurious results in queries and they might look like perfectly.. one of these wayward implementations when you use this where clause where id 7 you might think you were addressing the tuple whose id 7 but you'd actually be addressing the tuple whose rowid 7. You would get the wrong tuple and you might not realize..
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