mark一下
参考:
https://blog.csdn.net/laoyang360/article/details/72594344
1.str转long
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当int很长时
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db.teststatement.find({"ctime":{$type: 2}}).forEach( function (x) {
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x.ctime= NumberLong(x.ctime);
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db.teststatement.save(x);
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})
2.int转str
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db.redefine_share_backwards.find( { 'share_uid' : { $gte : 0 } } ).forEach( function (x) {
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x.share_uid= ""+x.share_uid;
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db.redefine_share_backwards.save(x);
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})
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