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Published 20 hours ago • verified publisher icon didi

"[scanner]: empty result"

Open wumingzhidewu opened this issue 2 years ago • 4 comments

"[scanner]: empty result" 没扫描出结果怎么也报错？没查出数据不是算正常么

wumingzhidewu avatar Apr 13 '22 03:04 wumingzhidewu

参考go的标准库: ErrNoRows 标准库定义没有Rows也算是一个错误

caibirdme avatar Apr 13 '22 07:04 caibirdme

定义了这样一个errors var ErrNoRows = errors.New("[scanner]: empty result") 为什么不能进入 if err == tools.ErrNoRows {

}

NoGeniusNoStupid avatar Apr 13 '22 07:04 NoGeniusNoStupid

估计本质上不是同一个err，但是这类情况通常要如何写

NoGeniusNoStupid avatar Apr 13 '22 07:04 NoGeniusNoStupid

懂了，scanner.ErrEmptyResult，别回了

NoGeniusNoStupid avatar Apr 13 '22 08:04 NoGeniusNoStupid