field
- name string
- x int
- y int
Table record
| name | x | y |
| jhon | 1 | 2 |
| lily | 2 | 1 |
| gan | 3 | 2 |
Query result
Query all name for all x > y
db.collections.find({'$where': "this.x > this.y"}, {'name': 1})
| name | x | y |
| jhon | 1 | 2 |
| lily | 2 | 1 |
| gan | 3 | 2 |
Query all name for all x > y
db.collections.find({'$where': "this.x > this.y"}, {'name': 1})