robin-sparkless 4.4.0

PySpark-like DataFrame API in Rust on Polars; no JVM.
Documentation
{
  "name": "max_aggregation",
  "pyspark_version": "3.5",
  "input": {
    "schema": [
      {
        "name": "id",
        "type": "string"
      },
      {
        "name": "name",
        "type": "string"
      },
      {
        "name": "department",
        "type": "string"
      },
      {
        "name": "salary",
        "type": "string"
      }
    ],
    "rows": [
      [
        1,
        "Alice",
        "IT",
        50000
      ],
      [
        2,
        "Bob",
        "HR",
        60000
      ],
      [
        3,
        "Charlie",
        "IT",
        70000
      ],
      [
        4,
        "David",
        "Finance",
        80000
      ]
    ]
  },
  "operations": [],
  "expected": {
    "schema": [
      {
        "name": "id",
        "type": "string"
      },
      {
        "name": "name",
        "type": "string"
      },
      {
        "name": "department",
        "type": "string"
      },
      {
        "name": "salary",
        "type": "string"
      }
    ],
    "rows": [
      [
        "1",
        "Alice",
        "IT",
        "50000"
      ],
      [
        "2",
        "Bob",
        "HR",
        "60000"
      ],
      [
        "3",
        "Charlie",
        "IT",
        "70000"
      ],
      [
        "4",
        "David",
        "Finance",
        "80000"
      ]
    ]
  }
}