EVAL

Syntax
EVAL column1 = value1[, ..., columnN = valueN]
Parameters
columnX
The column name.
valueX
The value for the column. Can be a literal, an expression, or a
function.
DescriptionThe EVAL processing command enables you to append new columns with calculated
values. EVAL supports various functions for calculating values. Refer to
Functions for more information.Examples
```esql
FROM employees
| SORT emp_no
| KEEP first_name, last_name, height
| EVAL height_feet = height * 3.281, height_cm = height * 100
```

If the specified column already exists, the existing column will be dropped, and
the new column will be appended to the table:
```esql
FROM employees
| SORT emp_no
| KEEP first_name, last_name, height
| EVAL height = height * 3.281
```
