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hello,i am a new pythoner,have a problem,please help... #7

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ddzzhen opened this issue Apr 10, 2018 · 0 comments

ddzzhen commented Apr 10, 2018 •

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blog-python-app/www/transwarp/db.py

Line 345 in 8a92f60

cols, args = zip(*kw.iteritems())

cols, args = zip(*kw.iteritems()) 中*kw是不是应该改成kw 以便使用iteritems()方法提取k w ?
sql='insert into %s(%s) values(%s)'%(table,','.join(['%s'% col for col in cols]),','.join(['?' for i range(len(cols))]))中第二个%s是要插入的列第三个%s是要插入的值 ,所以 ','.join(['%s'% col for col in cols]),','.join(['?' for i range(len(cols))])是不是反了?

3.还有一个弱智的问题,第一个%s使用'``'符号是什么意思?

还请帮忙,小白看不懂

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