1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
---
source: prqlc/prqlc-parser/src/test.rs
expression: "parse_source(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()"
---
- VarDef:
kind: Main
name: main
value:
Pipeline:
exprs:
- FuncCall:
name:
Ident:
- from
span: "0:1-5"
args:
- Ident:
- employees
span: "0:6-15"
span: "0:1-15"
- FuncCall:
name:
Ident:
- filter
span: "0:16-22"
args:
- Binary:
left:
Ident:
- country
span: "0:23-30"
op: Eq
right:
Literal:
String: USA
span: "0:34-39"
span: "0:23-39"
span: "0:16-39"
- FuncCall:
name:
Ident:
- derive
span: "0:105-111"
args:
- Tuple:
- Binary:
left:
Ident:
- salary
span: "0:200-206"
op: Add
right:
Ident:
- payroll_tax
span: "0:209-220"
span: "0:200-220"
alias: gross_salary
- Binary:
left:
Ident:
- gross_salary
span: "0:237-249"
op: Add
right:
Ident:
- benefits_cost
span: "0:252-265"
span: "0:237-265"
alias: gross_cost
span: "0:112-305"
span: "0:105-305"
- FuncCall:
name:
Ident:
- filter
span: "0:306-312"
args:
- Binary:
left:
Ident:
- gross_cost
span: "0:313-323"
op: Gt
right:
Literal:
Integer: 0
span: "0:326-327"
span: "0:313-327"
span: "0:306-327"
- FuncCall:
name:
Ident:
- group
span: "0:328-333"
args:
- Tuple:
- Ident:
- title
span: "0:335-340"
- Ident:
- country
span: "0:342-349"
span: "0:334-350"
- FuncCall:
name:
Ident:
- aggregate
span: "0:414-423"
args:
- Tuple:
- FuncCall:
name:
Ident:
- average
span: "0:500-507"
args:
- Ident:
- salary
span: "0:508-514"
span: "0:500-514"
- FuncCall:
name:
Ident:
- average
span: "0:520-527"
args:
- Ident:
- gross_salary
span: "0:528-540"
span: "0:520-540"
- FuncCall:
name:
Ident:
- sum
span: "0:546-549"
args:
- Ident:
- salary
span: "0:550-556"
span: "0:546-556"
- FuncCall:
name:
Ident:
- sum
span: "0:562-565"
args:
- Ident:
- gross_salary
span: "0:566-578"
span: "0:562-578"
- FuncCall:
name:
Ident:
- average
span: "0:584-591"
args:
- Ident:
- gross_cost
span: "0:592-602"
span: "0:584-602"
- FuncCall:
name:
Ident:
- sum
span: "0:625-628"
args:
- Ident:
- gross_cost
span: "0:629-639"
span: "0:625-639"
alias: sum_gross_cost
- FuncCall:
name:
Ident:
- count
span: "0:650-655"
args:
- Ident:
- salary
span: "0:656-662"
span: "0:650-662"
alias: ct
span: "0:424-667"
span: "0:414-667"
span: "0:328-669"
- FuncCall:
name:
Ident:
- sort
span: "0:670-674"
args:
- Ident:
- sum_gross_cost
span: "0:675-689"
span: "0:670-689"
- FuncCall:
name:
Ident:
- filter
span: "0:690-696"
args:
- Binary:
left:
Ident:
- ct
span: "0:697-699"
op: Gt
right:
Literal:
Integer: 200
span: "0:702-705"
span: "0:697-705"
span: "0:690-705"
- FuncCall:
name:
Ident:
- take
span: "0:706-710"
args:
- Literal:
Integer: 20
span: "0:711-713"
span: "0:706-713"
span: "0:1-713"
span: "0:0-713"