Unable to create a full text index on $**

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    • Type: Improvement
    • Resolution: Done
    • Priority: Major - P3
    • 2.11.2, 2.12.0
    • Affects Version/s: 2.11.0
    • Component/s: None
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      There's an Exception where I try to create an FTS index on $**. FTS on regular fields (e.g.

      {a:"text"}

      ) seems to work as expected.

      Below was done with java driver commit 8ca48fafa84fdfa41e6b7e2d8bbca5cf8151fca8 on master.

              Mongo mongo = new MongoClient("localhost", 27000);
        DBCollection coll = mongo.getDB("test").getCollection("a");
        
        DBObject key = new BasicDBObject("$**", "text");
        coll.ensureIndex(key);       

      Exception in thread "main" com.mongodb.MongoException: invalid operator: $**
	at com.mongodb.MongoException.parse(MongoException.java:82)
	at com.mongodb.DBApiLayer$MyCollection.__find(DBApiLayer.java:292)
	at com.mongodb.DBApiLayer$MyCollection.__find(DBApiLayer.java:273)
	at com.mongodb.DBCollection.findOne(DBCollection.java:728)
	at com.mongodb.DBCollection.findOne(DBCollection.java:670)
	at com.mongodb.DBApiLayer$MyCollection.createIndex(DBApiLayer.java:342)
	at com.mongodb.DBCollection.createIndex(DBCollection.java:485)
	at com.mongodb.DBCollection.ensureIndex(DBCollection.java:561)
	at com.mongodb.DBCollection.ensureIndex(DBCollection.java:512)
	at TestEnsureIndex.main(TestEnsureIndex.java:14)

            Assignee:
            Unassigned
            Reporter:
            Steve Briskin (Inactive)
            None
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              Created:
              Updated:
              Resolved: