mongodb如何实现mysql里的replace用法
PHPz
PHPz 2017-04-24 09:09:38
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例如:mysql里:
UPDATE tb1 SET f1=REPLACE(f1, 'abc', 'def');
那么在mongodb下,如何实现类似的用法?就是针对collection中某个key的值value,进行字符串替换。

PHPz
PHPz

学习是最好的投资!

reply all (1)
巴扎黑

Customized func, very convenient

Visually guess that you want to operate in batches, mapreduce

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