% This is generated by ESQL's AbstractFunctionTestCase. Do not edit it. See ../README.md for how to regenerate it.

**Examples**

```esql
from colors metadata _score
| where knn(rgb_vector, [0, 120, 0])
| sort _score desc, color asc
```

| color:text | rgb_vector:dense_vector |
| --- | --- |
| green | [0.0, 128.0, 0.0] |
| black | [0.0, 0.0, 0.0] |
| olive | [128.0, 128.0, 0.0] |
| teal | [0.0, 128.0, 128.0] |
| lime | [0.0, 255.0, 0.0] |
| sienna | [160.0, 82.0, 45.0] |
| maroon | [128.0, 0.0, 0.0] |
| navy | [0.0, 0.0, 128.0] |
| gray | [128.0, 128.0, 128.0] |
| chartreuse | [127.0, 255.0, 0.0] |

```esql
from colors metadata _score
| where knn(rgb_vector, [0,255,255], {"k": 4})
| sort _score desc, color asc
```