writer_version_2.json

{
  "fileName": "example_output.parquet",
  "options": {
    "writerVersion": "2.0",
    "compression": "snappy",
    "rowGroupSize": "default",
    "pageSize": "default",
    "encodings": ["PLAIN"],
    "bloomFilter": "all"
},
  "schema": [
    {
      "name": "id",
      "schemaType": "required",
      "physicalType": "INT32",
      "logicalType": "INT8",
      "data": [1, 2, 3, 4, 5]
    },
    {
      "name": "id2",
      "schemaType": "required",
      "physicalType": "INT32",
      "logicalType": "INT16",
      "data": [1, 2, 3, 4, 5]
    },
    {
      "name": "age",
      "schemaType": "optional",
      "physicalType": "INT32",
      "logicalType": "INT32",
      "data": [30, 25, 40, 35, 28]
    },
    {
      "name": "name",
      "schemaType": "optional",
      "physicalType": "BINARY",
      "logicalType": "STRING",
      "data": ["Alice", "Bob", "Charlie", "David", "Eve"]
    },
    {
      "name": "person",
      "schemaType": "repeatedGroup",
      "fields": [
        {
          "name": "name",
          "schemaType": "optional",
          "physicalType": "BINARY",
          "logicalType": "STRING"
        },
        {
          "name": "age",
          "schemaType": "required",
          "physicalType": "INT32"
        }
      ],
      "data": [
        {
          "name": "Alice",
          "age": 30
        },
        {
          "name": "Bob",
          "age": 25
        },
        {
          "name": "Charlie",
          "age": 40
        },
        {
          "name": "David",
          "age": 35
        },
        {
          "name": "Eve",
          "age": 28
        }
      ]
    }
  ]
}