---
source: prql-compiler/src/semantic/resolver.rs
expression: "resolve_derive(r#\"\n func subtract a b -> a - b\n\n from employees\n derive [\n net_salary = subtract gross_salary tax\n ]\n \"#).unwrap()"
---
- id: 13
Binary:
left:
id: 11
Ident:
- _frame
- employees
- gross_salary
target_id: 5
ty: Infer
op: Sub
right:
id: 12
Ident:
- _frame
- employees
- tax
target_id: 5
ty: Infer
ty:
Literal: Column
alias: net_salary