robin-sparkless 4.4.0

PySpark-like DataFrame API in Rust on Polars; no JVM.
Documentation
{
  "name": "summary",
  "pyspark_version": "3.5.0",
  "input": {
    "schema": [
      {
        "name": "id",
        "type": "bigint"
      },
      {
        "name": "v",
        "type": "double"
      }
    ],
    "rows": [
      [
        1,
        1.0
      ],
      [
        2,
        2.0
      ],
      [
        3,
        3.0
      ]
    ]
  },
  "operations": [
    {
      "op": "summary"
    }
  ],
  "expected": {
    "schema": [
      {
        "name": "summary",
        "type": "string"
      },
      {
        "name": "id",
        "type": "string"
      },
      {
        "name": "v",
        "type": "string"
      }
    ],
    "rows": [
      [
        "count",
        "3",
        "3"
      ],
      [
        "mean",
        "2.0",
        "2.0"
      ],
      [
        "stddev",
        "1.0",
        "1.0"
      ],
      [
        "min",
        "1",
        "1.0"
      ],
      [
        "max",
        "3",
        "3.0"
      ]
    ]
  }
}