Indexing and Searching an "array" within an embedded document in MongoDB using Java

Question

Could any one, please tell me how to do -

Indexing and Searching an "array" type within an embedded document in MongoDB using Java.

For example: The outer document id UserDetails and the array is given below

"languages_known" : 
          [ 
             "English", 
             "Kannada",
             "Hindi",
             "German" 
          ]

Please tell to do Indexing and Searching for the above in Java.

xabhi · Accepted Answer · 2014-07-14 10:10:21Z

1

You build an index on array inside a document using below in mongo shell:-

db.collection_name.ensureIndex({languages_known: 1}) // In your case

In java driver you can use:-

collection.createIndex(DBObject keys);

Can you please clarify what did you try and errors that you may have encountered?

answered Jul 14, 2014 at 10:10

xabhi

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2 Comments

I could able to do this using below link: stackoverflow.com/questions/24630599/…

Could you please give a solution to the problem. The link is : stackoverflow.com/questions/24690620/…