robin-sparkless 4.4.0

PySpark-like DataFrame API in Rust on Polars; no JVM.
Documentation
{
  "name": "read_json",
  "pyspark_version": "3.5.0",
  "input": {
    "schema": [
      {
        "name": "age",
        "type": "bigint"
      },
      {
        "name": "id",
        "type": "bigint"
      },
      {
        "name": "name",
        "type": "string"
      }
    ],
    "rows": [
      [
        25,
        1,
        "Alice"
      ],
      [
        30,
        2,
        "Bob"
      ],
      [
        35,
        3,
        "Charlie"
      ]
    ],
    "file_source": {
      "format": "json",
      "content": "{\"id\":1,\"age\":25,\"name\":\"Alice\"}\n{\"id\":2,\"age\":30,\"name\":\"Bob\"}\n{\"id\":3,\"age\":35,\"name\":\"Charlie\"}\n"
    }
  },
  "operations": [
    {
      "op": "filter",
      "expr": "col('age') > 30"
    },
    {
      "op": "select",
      "columns": [
        "name",
        "age"
      ]
    },
    {
      "op": "orderBy",
      "columns": [
        "name"
      ],
      "ascending": [
        true
      ]
    }
  ],
  "expected": {
    "schema": [
      {
        "name": "name",
        "type": "string"
      },
      {
        "name": "age",
        "type": "bigint"
      }
    ],
    "rows": [
      [
        "Charlie",
        35
      ]
    ]
  }
}