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---
source: crates/prql_parser/src/lib.rs
expression: "parse_single(r#\"\nfrom employees\nfilter country == \"USA\" # Each line transforms the previous result.\nderive { # This adds columns / variables.\n gross_salary = salary + payroll_tax,\n gross_cost = gross_salary + benefits_cost # Variables can use other variables.\n}\nfilter gross_cost > 0\ngroup {title, country} ( # For each group use a nested pipeline\n aggregate { # Aggregate each group to a single row\n average salary,\n average gross_salary,\n sum salary,\n sum gross_salary,\n average gross_cost,\n sum_gross_cost = sum gross_cost,\n ct = count salary,\n }\n)\nsort sum_gross_cost\nfilter ct > 200\ntake 20\n \"#).unwrap()"
---
- Main:
Pipeline:
exprs:
- FuncCall:
name:
Ident:
- from
args:
- Ident:
- employees
- FuncCall:
name:
Ident:
- filter
args:
- Binary:
left:
Ident:
- country
op: Eq
right:
Literal:
String: USA
- FuncCall:
name:
Ident:
- derive
args:
- Tuple:
- Binary:
left:
Ident:
- salary
op: Add
right:
Ident:
- payroll_tax
alias: gross_salary
- Binary:
left:
Ident:
- gross_salary
op: Add
right:
Ident:
- benefits_cost
alias: gross_cost
- FuncCall:
name:
Ident:
- filter
args:
- Binary:
left:
Ident:
- gross_cost
op: Gt
right:
Literal:
Integer: 0
- FuncCall:
name:
Ident:
- group
args:
- Tuple:
- Ident:
- title
- Ident:
- country
- FuncCall:
name:
Ident:
- aggregate
args:
- Tuple:
- FuncCall:
name:
Ident:
- average
args:
- Ident:
- salary
- FuncCall:
name:
Ident:
- average
args:
- Ident:
- gross_salary
- FuncCall:
name:
Ident:
- sum
args:
- Ident:
- salary
- FuncCall:
name:
Ident:
- sum
args:
- Ident:
- gross_salary
- FuncCall:
name:
Ident:
- average
args:
- Ident:
- gross_cost
- FuncCall:
name:
Ident:
- sum
args:
- Ident:
- gross_cost
alias: sum_gross_cost
- FuncCall:
name:
Ident:
- count
args:
- Ident:
- salary
alias: ct
- FuncCall:
name:
Ident:
- sort
args:
- Ident:
- sum_gross_cost
- FuncCall:
name:
Ident:
- filter
args:
- Binary:
left:
Ident:
- ct
op: Gt
right:
Literal:
Integer: 200
- FuncCall:
name:
Ident:
- take
args:
- Literal:
Integer: 20
annotations: []