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請幫助:-) 下面的代碼應該刪除一條記錄。它似乎執行OK,沒有錯誤消息,NSLog顯示「記錄已刪除」消息。但是記錄不會被刪除。我用終端檢查,確實刪除的記錄仍然存在。令人費解的部分是,我有非常類似的代碼來添加和計數記錄,並且它們似乎都工作......我不是SQL專家,所以我希望這羣人中的專家能夠看到錯誤。SQL刪除似乎沒有工作
感謝
(void) deleteRecord
{
const char *dbpath = [databasePath UTF8String];
sqlite3_stmt *statement;
if (sqlite3_open(dbpath, &wfDataBase) == SQLITE_OK)
{
NSLog(@"About to Delete Record %d",currentID);
NSString *querySQL = [NSString stringWithFormat: @"DELETE from wfDataBase WHERE ID = %d", currentID];
const char *query_stmt = [querySQL UTF8String];
if (sqlite3_prepare_v2(wfDataBase, query_stmt, -1, &statement, NULL) == SQLITE_OK)
l_status.text = @"Record Deleted";
else
l_status.text = @"Can't Delete";
sqlite3_finalize(statement);
sqlite3_close(wfDataBase);
}
}
糟糕...這確實是問題..步驟聲明從未執行......謝謝 – 2011-04-08 00:42:32