hyparquet/test/files/page_indexed.metadata.json

{
  "version": 2,
  "schema": [
    {
      "repetition_type": "REQUIRED",
      "name": "schema",
      "num_children": 2
    },
    {
      "type": "INT64",
      "repetition_type": "OPTIONAL",
      "name": "row"
    },
    {
      "type": "BYTE_ARRAY",
      "repetition_type": "OPTIONAL",
      "name": "quality",
      "converted_type": "UTF8",
      "logical_type": {
        "type": "STRING"
      }
    }
  ],
  "num_rows": 200,
  "row_groups": [
    {
      "columns": [
        {
          "file_offset": 0,
          "meta_data": {
            "type": "INT64",
            "encodings": [
              "PLAIN",
              "RLE",
              "RLE_DICTIONARY"
            ],
            "path_in_schema": [
              "row"
            ],
            "codec": "SNAPPY",
            "num_values": 100,
            "total_uncompressed_size": 1197,
            "total_compressed_size": 828,
            "data_page_offset": 432,
            "dictionary_page_offset": 4,
            "statistics": {
              "max": 99,
              "min": 0,
              "null_count": 0,
              "max_value": 99,
              "min_value": 0
            },
            "encoding_stats": [
              {
                "page_type": "DICTIONARY_PAGE",
                "encoding": "PLAIN",
                "count": 1
              },
              {
                "page_type": "DATA_PAGE",
                "encoding": "RLE_DICTIONARY",
                "count": 10
              }
            ]
          },
          "offset_index_offset": 2986,
          "offset_index_length": 86,
          "column_index_offset": 2326,
          "column_index_length": 211
        },
        {
          "file_offset": 0,
          "meta_data": {
            "type": "BYTE_ARRAY",
            "encodings": [
              "PLAIN",
              "RLE",
              "RLE_DICTIONARY"
            ],
            "path_in_schema": [
              "quality"
            ],
            "codec": "SNAPPY",
            "num_values": 100,
            "total_uncompressed_size": 312,
            "total_compressed_size": 334,
            "data_page_offset": 863,
            "dictionary_page_offset": 832,
            "statistics": {
              "null_count": 0,
              "max_value": "good",
              "min_value": "bad"
            },
            "encoding_stats": [
              {
                "page_type": "DICTIONARY_PAGE",
                "encoding": "PLAIN",
                "count": 1
              },
              {
                "page_type": "DATA_PAGE",
                "encoding": "RLE_DICTIONARY",
                "count": 10
              }
            ]
          },
          "offset_index_offset": 3072,
          "offset_index_length": 86,
          "column_index_offset": 2537,
          "column_index_length": 121
        }
      ],
      "total_byte_size": 1509,
      "num_rows": 100,
      "file_offset": 4,
      "total_compressed_size": 1162,
      "ordinal": 0
    },
    {
      "columns": [
        {
          "file_offset": 0,
          "meta_data": {
            "type": "INT64",
            "encodings": [
              "PLAIN",
              "RLE",
              "RLE_DICTIONARY"
            ],
            "path_in_schema": [
              "row"
            ],
            "codec": "SNAPPY",
            "num_values": 100,
            "total_uncompressed_size": 1197,
            "total_compressed_size": 832,
            "data_page_offset": 1598,
            "dictionary_page_offset": 1166,
            "statistics": {
              "max": 199,
              "min": 100,
              "null_count": 0,
              "max_value": 199,
              "min_value": 100
            },
            "encoding_stats": [
              {
                "page_type": "DICTIONARY_PAGE",
                "encoding": "PLAIN",
                "count": 1
              },
              {
                "page_type": "DATA_PAGE",
                "encoding": "RLE_DICTIONARY",
                "count": 10
              }
            ]
          },
          "offset_index_offset": 3158,
          "offset_index_length": 86,
          "column_index_offset": 2658,
          "column_index_length": 211
        },
        {
          "file_offset": 0,
          "meta_data": {
            "type": "BYTE_ARRAY",
            "encodings": [
              "PLAIN",
              "RLE",
              "RLE_DICTIONARY"
            ],
            "path_in_schema": [
              "quality"
            ],
            "codec": "SNAPPY",
            "num_values": 100,
            "total_uncompressed_size": 306,
            "total_compressed_size": 328,
            "data_page_offset": 2029,
            "dictionary_page_offset": 1998,
            "statistics": {
              "null_count": 0,
              "max_value": "good",
              "min_value": "bad"
            },
            "encoding_stats": [
              {
                "page_type": "DICTIONARY_PAGE",
                "encoding": "PLAIN",
                "count": 1
              },
              {
                "page_type": "DATA_PAGE",
                "encoding": "RLE_DICTIONARY",
                "count": 10
              }
            ]
          },
          "offset_index_offset": 3244,
          "offset_index_length": 86,
          "column_index_offset": 2869,
          "column_index_length": 117
        }
      ],
      "total_byte_size": 1503,
      "num_rows": 100,
      "file_offset": 1166,
      "total_compressed_size": 1160,
      "ordinal": 1
    }
  ],
  "key_value_metadata": [
    {
      "key": "ARROW:schema",
      "value": "/////6gAAAAQAAAAAAAKAAwABgAFAAgACgAAAAABBAAMAAAACAAIAAAABAAIAAAABAAAAAIAAABEAAAABAAAANT///8AAAEFEAAAABwAAAAEAAAAAAAAAAcAAABxdWFsaXR5AAQABAAEAAAAEAAUAAgABgAHAAwAAAAQABAAAAAAAAECEAAAABwAAAAEAAAAAAAAAAMAAAByb3cACAAMAAgABwAIAAAAAAAAAUAAAAA="
    }
  ],
  "created_by": "parquet-cpp-arrow version 19.0.1",
  "metadata_length": 761
}