robin-sparkless 4.2.1

PySpark-like DataFrame API in Rust on Polars; no JVM.
Documentation 
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

{
  "test_id": "datediff",
  "pyspark_version": "3.5",
  "generated_at": "2025-10-27T14:13:24.992537",
  "input_data": [
    {
      "id": 1,
      "date": "2020-01-15",
      "timestamp": "2020-01-15 10:30:00"
    },
    {
      "id": 2,
      "date": "2019-03-10",
      "timestamp": "2019-03-10 14:20:00"
    },
    {
      "id": 3,
      "date": "2021-07-22",
      "timestamp": "2021-07-22 08:15:00"
    }
  ],
  "operation": "DataFrame operation: datediff",
  "expected_output": {
    "schema": {
      "field_count": 1,
      "field_names": [
        "datediff(date, 2020-01-01)"
      ],
      "field_types": [
        "integer"
      ],
      "fields": [
        {
          "name": "datediff(date, 2020-01-01)",
          "type": "integer",
          "nullable": true
        }
      ]
    },
    "data": [
      {
        "datediff(date, 2020-01-01)": 14
      },
      {
        "datediff(date, 2020-01-01)": -297
      },
      {
        "datediff(date, 2020-01-01)": 568
      }
    ],
    "row_count": 3
  }
}