anchor.diff:  		}]
   	},
   	"$options": {
  -		"count": 1000,
  -		"skip": 500
  +		"$rowlimit": 1000,
  +		"$rowskip": 500
   	},
   	"$attributes": {
   		"name": 1,
  
positive.code: | $point     | used for query on bulk data. returning indices of local column values
  | $options   | string containing letters: `e` enum values as string 
  |===========================================
  
negative.code: -----------
  
  TIP: `test.id` is a duplicate because the id is also stored in test column
  
  .use inverse to do the same job
  ===============================
  
  [source,json]
  -----------
  {
  	"AoSubTest": "4611",
  	"$attributes": {
  		"children.name": 1,
  		"children.id": 1
  	}
  }
  -----------
  
  [source,json]
  -----------
  {
  	"AoSubTest": "4611",
  	"$attributes": {    
  		"children": {
              "name": 1,
              "id": 1
          }
  	}
  }
  -----------
  
  ===============================
  
  ==============================
  
  