{"id":15667417,"url":"https://github.com/silas/dart-sqlite-bm25","last_synced_at":"2025-05-06T19:47:16.032Z","repository":{"id":59149747,"uuid":"187410799","full_name":"silas/dart-sqlite-bm25","owner":"silas","description":"BM25 implementation for the SQLite FTS4 extension","archived":false,"fork":false,"pushed_at":"2023-01-26T05:30:46.000Z","size":9,"stargazers_count":4,"open_issues_count":0,"forks_count":2,"subscribers_count":0,"default_branch":"main","last_synced_at":"2025-03-31T02:21:53.331Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"https://pub.dev/packages/sqlite_bm25","language":"Dart","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/silas.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2019-05-18T22:26:41.000Z","updated_at":"2023-01-26T05:17:24.000Z","dependencies_parsed_at":"2023-02-14T14:31:15.999Z","dependency_job_id":null,"html_url":"https://github.com/silas/dart-sqlite-bm25","commit_stats":null,"previous_names":[],"tags_count":3,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/silas%2Fdart-sqlite-bm25","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/silas%2Fdart-sqlite-bm25/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/silas%2Fdart-sqlite-bm25/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/silas%2Fdart-sqlite-bm25/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/silas","download_url":"https://codeload.github.com/silas/dart-sqlite-bm25/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":252757624,"owners_count":21799703,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-10-03T14:03:20.204Z","updated_at":"2025-05-06T19:47:15.996Z","avatar_url":"https://github.com/silas.png","language":"Dart","funding_links":[],"categories":[],"sub_categories":[],"readme":"# SQLite BM25\n\nAn [Okapi BM25][bm25] implementation for the SQLite [FTS4][fts4]\n(full-text search) extension.\n\n## Example\n\n``` dart\nimport 'package:sqflite/sqflite.dart';\nimport 'package:sqlite_bm25/sqlite_bm25.dart';\n\nexample() async {\n  final table = 'bm25_test';\n\n  final db = await openDatabase(':memory:', version: 1,\n      onCreate: (Database db, int version) async {\n    await db.execute('CREATE VIRTUAL TABLE $table USING fts4(name)');\n  });\n\n  await db.insert(table, {'rowid': 1, 'name': 'Sam Rivers'});\n  await db.insert(table, {'rowid': 2, 'name': 'Samwise \"Sam\" Gamgee'});\n  await db.insert(table, {'rowid': 3, 'name': 'Sam'});\n  await db.insert(table, {'rowid': 4, 'name': 'Sam Seaborn'});\n  await db.insert(table, {'rowid': 5, 'name': 'Samwell \"Sam\" Tarly'});\n\n  var rows = await db.query(\n    table,\n    columns: [\n      'name',\n      'matchinfo($table, \\'$bm25FormatString\\') as info',\n    ],\n    where: '$table MATCH ?',\n    whereArgs: ['sam'],\n  );\n\n  rows = rows.map((row) {\n    return {\n      'name': row['name'],\n      'rank': bm25(row['info']),\n    };\n  }).toList();\n\n  rows.sort((a, b) =\u003e a['rank'].compareTo(b['rank']));\n\n  final names = rows.take(3).map((r) =\u003e r['name']).join(', ');\n\n  print(names);\n\n  await db.close();\n}\n```\n\n[bm25]: https://en.wikipedia.org/wiki/Okapi_BM25\n[fts4]: https://www.sqlite.org/fts3.html\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsilas%2Fdart-sqlite-bm25","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsilas%2Fdart-sqlite-bm25","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsilas%2Fdart-sqlite-bm25/lists"}