Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
1.6k views
in Technique[技术] by (71.8m points)

using $and with $match in mongodb

I am trying to use the following query in MongoDB but it is not working.

db.test.aggregate(
$match: {$and: [type: {$in: ["TOYS"]}, type: {$nin: ["BARBIE"]}, time: 
{$lt:ISODate("2013-12-09T00:00:00Z")}]}})

It says invalid character ":".

Is it possible to use $and with $match? I have seen an example on this forum of $or with $match so I presumed this is possible.

Thank you in advance for your help and guidance.

question from:https://stackoverflow.com/questions/20469712/using-and-with-match-in-mongodb

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)

$and with $match works just fine.

You have syntax errors in your query. Try this.

db.test.aggregate([
                   { 
                     $match: {
                          $and: [ 
                              {type: {$in: ["TOYS"]}}, 
                              {type: {$nin: ["BARBIE"]}}, 
                              {time: {$lt:ISODate("2013-12-09T00:00:00Z")}}
                          ]
                     }
                   }
                  ])

And for what you are trying to do, you do not need an $and.


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

1.4m articles

1.4m replys

5 comments

57.0k users

...