{
  "_id": "6aef37f343b51afa49dd95d9",
  "Package": "qio",
  "Title": "Read and Write 'Apache Parquet' Files",
  "Version": "0.1.1.9000",
  "Authors@R": "c(\nperson(\"Pedro\", \"Baltazar\", email = \"pedrobtz@gmail.com\",\nrole = c(\"aut\", \"cre\", \"cph\")),\nperson(\"Johan HG\", \"Natter\", role = c(\"aut\", \"cph\"),\ncomment = \"carquet source code (MIT license)\"),\nperson(given = \"vctrs authors\", role = c(\"ctb\", \"cph\"),\ncomment = \"qio_s3_register() helper (MIT license)\"))",
  "Description": "Read and write 'Apache Parquet' files. Whole files are\nread with a single call, and larger ones can be opened to\ninspect their schema and read selected columns, row groups, or\nbatches. Built on the bundled C library 'carquet', with no\nrequired R package dependencies.",
  "URL": "https://pedrobtz.github.io/qio/, https://github.com/pedrobtz/qio",
  "BugReports": "https://github.com/pedrobtz/qio/issues",
  "License": "MIT + file LICENSE",
  "Copyright": "file inst/COPYRIGHTS",
  "Encoding": "UTF-8",
  "SystemRequirements": "GNU make, zlib",
  "Roxygen": "list(markdown = TRUE)",
  "Config/testthat/edition": "3",
  "Config/Needs/website": "knitr, rmarkdown",
  "Config/roxygen2/version": "8.1.1",
  "Config/pak/sysreqs": "make zlib1g-dev",
  "Repository": "https://pedrobtz.r-universe.dev",
  "Date/Publication": "2026-11-07 13:50:02 UTC",
  "RemoteUrl": "https://github.com/pedrobtz/qio",
  "RemoteRef": "HEAD",
  "RemoteSha": "0980bac1c233df49468a9013f357508ca9707a43",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-11-07 14:24:07 UTC",
    "User": "root"
  },
  "Author": "Pedro Baltazar [aut, cre, cph],\nJohan HG Natter [aut, cph] (carquet source code (MIT license)),\nvctrs authors [ctb, cph] (qio_s3_register() helper (MIT license))",
  "Maintainer": "Pedro Baltazar <pedrobtz@gmail.com>",
  "_user": "pedrobtz",
  "_type": "src",
  "_file": "qio_0.1.1.9000.tar.gz",
  "_fileid": "https://r2.ropensci.org/f97686e55712c2b3eca1beaa21b120b5c4b76978f3de7d839cfc325efe5cf2ba",
  "_filesize": 1349235,
  "_sha256": "f97686e55712c2b3eca1beaa21b120b5c4b76978f3de7d839cfc325efe5cf2ba",
  "_expires": "2027-02-15T14:38:41.000Z",
  "_created": "2026-11-07T14:24:07.000Z",
  "_published": "2026-11-07T14:38:43.280Z",
  "_upstream": "https://github.com/pedrobtz/qio",
  "_status": "success",
  "_maintainer": {
    "name": "Pedro Baltazar",
    "email": "pedrobtz@gmail.com",
    "login": "pedrobtz",
    "description": "\n",
    "uuid": 2864346
  },
  "_jobs": [
    {
      "job": 128429872309,
      "time": 160,
      "config": "linux-devel-arm64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "13577288092"
    },
    {
      "job": 128429872447,
      "time": 190,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "13577828398"
    },
    {
      "job": 128429872372,
      "time": 143,
      "config": "linux-release-arm64",
      "r": "4.6.2",
      "check": "OK",
      "artifact": "13578130345"
    },
    {
      "job": 128429872281,
      "time": 174,
      "config": "linux-release-x86_64",
      "r": "4.6.2",
      "check": "OK",
      "artifact": "13577427757"
    },
    {
      "job": 128429872241,
      "time": 109,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "13578240283"
    },
    {
      "job": 128429872299,
      "time": 352,
      "config": "macos-oldrel-x86_64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "13577873930"
    },
    {
      "job": 128429872385,
      "time": 147,
      "config": "macos-release-arm64",
      "r": "4.6.2",
      "check": "OK",
      "artifact": "13578395789"
    },
    {
      "job": 128429872330,
      "time": 321,
      "config": "macos-release-x86_64",
      "r": "4.6.2",
      "check": "OK",
      "artifact": "13578435882"
    },
    {
      "job": 128429092769,
      "time": 198,
      "config": "source",
      "r": "4.6.2",
      "check": "OK",
      "artifact": "13577237904"
    },
    {
      "job": 128429872202,
      "time": 94,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "13577638733"
    },
    {
      "job": 128429872350,
      "time": 251,
      "config": "windows-devel-arm64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "13578265028"
    },
    {
      "job": 128429872273,
      "time": 159,
      "config": "windows-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "13577628911"
    },
    {
      "job": 128429872355,
      "time": 151,
      "config": "windows-oldrel-x86_64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "13577304713"
    },
    {
      "job": 128429872374,
      "time": 254,
      "config": "windows-release-arm64",
      "r": "4.6.2",
      "check": "OK",
      "artifact": "13578090675"
    },
    {
      "job": 128429872296,
      "time": 130,
      "config": "windows-release-x86_64",
      "r": "4.6.2",
      "check": "OK",
      "artifact": "13577253024"
    }
  ],
  "_buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484",
  "_commit": {
    "id": "0980bac1c233df49468a9013f357508ca9707a43",
    "author": "github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>",
    "committer": "github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>",
    "message": "Update coverage badge (88.3%)\n",
    "time": 1794059402
  },
  "_distro": "resolute",
  "_host": "GitHub-Actions",
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 3.5.0",
      "role": "Depends"
    },
    {
      "package": "utils",
      "role": "Imports"
    },
    {
      "package": "bit64",
      "role": "Suggests"
    },
    {
      "package": "dplyr",
      "role": "Suggests"
    },
    {
      "package": "hms",
      "role": "Suggests"
    },
    {
      "package": "testthat",
      "version": ">= 3.0.0",
      "role": "Suggests"
    },
    {
      "package": "withr",
      "role": "Suggests"
    }
  ],
  "_owner": "pedrobtz",
  "_selfowned": true,
  "_usedby": 0,
  "_updates": [
    {
      "week": "2026-27",
      "n": 1
    },
    {
      "week": "2026-32",
      "n": 6
    },
    {
      "week": "2026-34",
      "n": 4
    },
    {
      "week": "2026-36",
      "n": 2
    },
    {
      "week": "2026-40",
      "n": 4
    },
    {
      "week": "2026-44",
      "n": 1
    },
    {
      "week": "2026-45",
      "n": 4
    }
  ],
  "_tags": [
    {
      "name": "0.1.0",
      "date": "2026-08-23"
    },
    {
      "name": "0.1.1",
      "date": "2026-09-29"
    }
  ],
  "_stars": 0,
  "_contributors": [
    {
      "user": "pedrobtz",
      "count": 21,
      "uuid": 2864346
    },
    {
      "user": "claude",
      "count": 2,
      "uuid": 81847
    }
  ],
  "_userbio": {
    "uuid": 2864346,
    "type": "user",
    "name": "Pedro Z",
    "followers": 0
  },
  "_downloads": {
    "count": 341,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/qio"
  },
  "_devurl": "https://github.com/pedrobtz/qio",
  "_pkgdown": "https://pedrobtz.github.io/qio/",
  "_searchresults": 8,
  "_topics": [
    "zlib"
  ],
  "_rbuild": "4.6.2",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/manual.pdf",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/qio.html",
    "extra/readme.html",
    "extra/readme.md",
    "LICENSE"
  ],
  "_homeurl": "https://github.com/pedrobtz/qio",
  "_realowner": "pedrobtz",
  "_cranurl": true,
  "_releases": [
    {
      "version": "0.1.0",
      "date": "2026-09-28"
    },
    {
      "version": "0.1.1",
      "date": "2026-09-29"
    }
  ],
  "_exports": [
    "bloom_filter_may_contain",
    "close_parquet",
    "collect",
    "column_chunks",
    "column_statistics",
    "geospatial_statistics",
    "infer_parquet_schema",
    "metadata",
    "open_parquet",
    "page_index",
    "parquet_schema",
    "parquet_type_mapping",
    "read_parquet",
    "read_plan",
    "row_groups",
    "schema",
    "validate_parquet",
    "walk_batches",
    "write_parquet"
  ],
  "_help": [
    {
      "page": "bloom_filter_may_contain",
      "title": "Test values against a Parquet bloom filter",
      "topics": [
        "bloom_filter_may_contain",
        "bloom_filter_may_contain.qio_parquet_file"
      ]
    },
    {
      "page": "close_parquet",
      "title": "Close a Parquet file",
      "topics": [
        "close_parquet"
      ]
    },
    {
      "page": "collect",
      "title": "Collect data from a Parquet file",
      "topics": [
        "collect",
        "collect.qio_parquet_file"
      ]
    },
    {
      "page": "column_chunks",
      "title": "Inspect Parquet column chunks",
      "topics": [
        "column_chunks",
        "column_chunks.qio_parquet_file"
      ]
    },
    {
      "page": "column_statistics",
      "title": "Inspect Parquet column statistics",
      "topics": [
        "column_statistics",
        "column_statistics.qio_parquet_file"
      ]
    },
    {
      "page": "geospatial_statistics",
      "title": "Inspect Parquet geospatial statistics",
      "topics": [
        "geospatial_statistics",
        "geospatial_statistics.qio_parquet_file"
      ]
    },
    {
      "page": "infer_parquet_schema",
      "title": "Infer the Parquet writer schema for an R object",
      "topics": [
        "infer_parquet_schema"
      ]
    },
    {
      "page": "metadata",
      "title": "Inspect Parquet footer metadata",
      "topics": [
        "metadata",
        "metadata.qio_parquet_file"
      ]
    },
    {
      "page": "open_parquet",
      "title": "Open a Parquet file",
      "topics": [
        "open_parquet"
      ]
    },
    {
      "page": "page_index",
      "title": "Inspect Parquet page indexes",
      "topics": [
        "page_index",
        "page_index.qio_parquet_file"
      ]
    },
    {
      "page": "parquet_schema",
      "title": "Create a Parquet writer schema",
      "topics": [
        "parquet_schema"
      ]
    },
    {
      "page": "parquet_type_mapping",
      "title": "Show Parquet physical type mappings",
      "topics": [
        "parquet_type_mapping"
      ]
    },
    {
      "page": "qio-limitations",
      "title": "What qio does not do",
      "topics": [
        "qio-limitations"
      ]
    },
    {
      "page": "qio-types",
      "title": "Parquet type mapping",
      "topics": [
        "qio-types"
      ]
    },
    {
      "page": "read_parquet",
      "title": "Read a Parquet file",
      "topics": [
        "read_parquet"
      ]
    },
    {
      "page": "read_plan",
      "title": "Plan how a Parquet file is read into R",
      "topics": [
        "read_plan",
        "read_plan.character",
        "read_plan.data.frame",
        "read_plan.qio_parquet_file"
      ]
    },
    {
      "page": "row_groups",
      "title": "Inspect Parquet row groups",
      "topics": [
        "row_groups",
        "row_groups.qio_parquet_file"
      ]
    },
    {
      "page": "schema",
      "title": "Inspect a Parquet schema",
      "topics": [
        "schema",
        "schema.qio_parquet_file"
      ]
    },
    {
      "page": "validate_parquet",
      "title": "Check that a file is structurally valid Parquet",
      "topics": [
        "validate_parquet"
      ]
    },
    {
      "page": "walk_batches",
      "title": "Walk over batches from a Parquet file",
      "topics": [
        "walk_batches"
      ]
    },
    {
      "page": "write_parquet",
      "title": "Write a Parquet file",
      "topics": [
        "write_parquet"
      ]
    }
  ],
  "_readme": "https://github.com/pedrobtz/qio/raw/HEAD/README.md",
  "_rundeps": [],
  "_sysdeps": [
    {
      "shlib": "libz",
      "package": "zlib1g",
      "headers": "zlib1g-dev",
      "source": "zlib",
      "version": "1:1.3.dfsg+really1.3.1-1ubuntu3.2",
      "name": "zlib",
      "homepage": "http://zlib.net/",
      "description": "compression library - runtime"
    }
  ],
  "_score": 3.5440680443502757,
  "_indexed": true,
  "_nocasepkg": "qio",
  "_universes": [
    "pedrobtz"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:26:59.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/3ce569cb4bb878fd07d53c434d5054eff23c3b2592ba431b968dddd85363200e",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:27:19.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/ebb2a3a5a240faa856bf1f57e9b8a5e0db48a69709ca30c88bfd3ae425634cff",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.6.2",
      "os": "linux",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:26:43.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/bb53609a8bd107d71de32fcfe04528c91ff6fb619d3f00b73c1cc78104861307",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.6.2",
      "os": "linux",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:27:07.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/fb3b56d4ba690a88b66e99aa4505d0b9a110e76b48c3e1424a17375799360a4b",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:29:43.000Z",
      "arch": "aarch64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/97ace30f921e55dbf415bd894e15b108c922ab56ca111c0af9a4b684a845727b",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:32:25.000Z",
      "arch": "x86_64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/732083f91c35f4a9ef7e8cd2e15f2d7cf7993ba8fb38c9dde15a1efdba7cd401",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.6.2",
      "os": "mac",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:35:33.000Z",
      "arch": "aarch64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/14ac1a870d4026b42a74180d3d2408fb288b6fffb7c2e09064e942c3eb5754b6",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.6.2",
      "os": "mac",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:36:30.000Z",
      "arch": "x86_64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/ef2075cd07bfac9b4021b19846943f5af79539f179742f38d8d0ce316722f698",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:26:20.000Z",
      "arch": "emscripten",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/41d9cfb15afe6cd49acb25a5d5d2229a3c2357d02b74957514aff64324be6520",
      "status": "success",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:27:39.000Z",
      "arch": "aarch64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/45a6ae945c63504dd7c45b37d6331907667d80bf54ca63e358aa7f8a0550a60f",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:25:36.000Z",
      "arch": "x86_64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/9e310e5d7e23f4c8940ddad6c27cd7ce57b40adfbc909f40521701452329df01",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:25:53.000Z",
      "arch": "x86_64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/f03c8698c6af1fe1ec8b393abab8000a92a429bf2f6ea1e1a1c70c01c243f632",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.6.2",
      "os": "win",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:27:52.000Z",
      "arch": "aarch64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/6cdccd15a1492f389413586088600dc93c7e91525b73c65d203e6b95d47834e0",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    },
    {
      "r": "4.6.2",
      "os": "win",
      "version": "0.1.1.9000",
      "date": "2026-11-07T14:25:48.000Z",
      "arch": "x86_64",
      "commit": "0980bac1c233df49468a9013f357508ca9707a43",
      "fileid": "https://r2.ropensci.org/586aebfbb53c1749c57d6bccccb5fed050574e9ad1342fd8715436ba687f1edc",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/pedrobtz/actions/runs/42381214484"
    }
  ]
}