Applying more than one search predicate on a Multi Key Indexed field.

Sample Data: db.getCollection( 'foo' ).insertOne({     "docArray" : [ { "code" : 10 }, { "code" : 20 }], });   Query:   constantly false condition , a number can't be less than and greater than itself. db.getCollection( 'foo' ).find({     "docArray.code" : { "$gt" : 13 ,   "$lt" : 13 } });   Expected Result:   No Result Actual Result : Returns the inserted document   Fixed Query:   a sample query that looks like has the expected behavior. db.getCollection( 'foo' ).find({     "docArray" : {          "$elemMatch" : { "code" : { "$gt" : 13 ,   "$lt" : 13 }}      } });