CEIL

Syntax
Parameters
n
Numeric expression. If null, the function returns null.
DescriptionRound a number up to the nearest integer.
This is a noop for long (including unsigned) and integer.
      For double this picks the closest double value to the integer
      similar to Math.ceil.
Supported types
Example
```esql
ROW a=1.8
| EVAL a=CEIL(a)
```
