% This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.

**Example**

```esql
ROW a=null, b="b"
| EVAL COALESCE(a, b)
```

| a:null | b:keyword | COALESCE(a, b):keyword |
| --- | --- | --- |
| null | b | b |