{"id":18375722,"url":"https://github.com/factomproject/goleveldb","last_synced_at":"2025-04-06T20:31:10.062Z","repository":{"id":25896256,"uuid":"29336811","full_name":"FactomProject/goleveldb","owner":"FactomProject","description":"This repository originates from syndtr around Aug 2014","archived":false,"fork":false,"pushed_at":"2017-04-23T15:32:01.000Z","size":1514,"stargazers_count":2,"open_issues_count":0,"forks_count":3,"subscribers_count":18,"default_branch":"master","last_synced_at":"2025-03-22T06:26:24.227Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"Go","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"bsd-2-clause","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/FactomProject.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":"2015-01-16T07:00:19.000Z","updated_at":"2022-01-10T09:20:41.000Z","dependencies_parsed_at":"2022-08-24T06:21:07.805Z","dependency_job_id":null,"html_url":"https://github.com/FactomProject/goleveldb","commit_stats":null,"previous_names":[],"tags_count":2,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/FactomProject%2Fgoleveldb","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/FactomProject%2Fgoleveldb/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/FactomProject%2Fgoleveldb/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/FactomProject%2Fgoleveldb/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/FactomProject","download_url":"https://codeload.github.com/FactomProject/goleveldb/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247547287,"owners_count":20956530,"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":"2024-11-06T00:20:04.336Z","updated_at":"2025-04-06T20:31:09.691Z","avatar_url":"https://github.com/FactomProject.png","language":"Go","funding_links":[],"categories":[],"sub_categories":[],"readme":"This is an implementation of the [LevelDB key/value database](http:code.google.com/p/leveldb) in the [Go programming language](http:golang.org).\n\n[![Build Status](https://travis-ci.org/FactomProject/goleveldb.png?branch=master)](https://travis-ci.org/FactomProject/goleveldb)\n\nInstallation\n-----------\n\n\tgo get github.com/FactomProject/goleveldb/leveldb\n\nRequirements\n-----------\n\n* Need at least `go1.4` or newer.\n\nUsage\n-----------\n\nCreate or open a database:\n```go\n// The returned DB instance is safe for concurrent use. Which mean that all\n// DB's methods may be called concurrently from multiple goroutine.\ndb, err := leveldb.OpenFile(\"path/to/db\", nil)\n...\ndefer db.Close()\n...\n```\nRead or modify the database content:\n```go\n// Remember that the contents of the returned slice should not be modified.\ndata, err := db.Get([]byte(\"key\"), nil)\n...\nerr = db.Put([]byte(\"key\"), []byte(\"value\"), nil)\n...\nerr = db.Delete([]byte(\"key\"), nil)\n...\n```\n\nIterate over database content:\n```go\niter := db.NewIterator(nil, nil)\nfor iter.Next() {\n\t// Remember that the contents of the returned slice should not be modified, and\n\t// only valid until the next call to Next.\n\tkey := iter.Key()\n\tvalue := iter.Value()\n\t...\n}\niter.Release()\nerr = iter.Error()\n...\n```\nSeek-then-Iterate:\n```go\niter := db.NewIterator(nil, nil)\nfor ok := iter.Seek(key); ok; ok = iter.Next() {\n\t// Use key/value.\n\t...\n}\niter.Release()\nerr = iter.Error()\n...\n```\nIterate over subset of database content:\n```go\niter := db.NewIterator(\u0026util.Range{Start: []byte(\"foo\"), Limit: []byte(\"xoo\")}, nil)\nfor iter.Next() {\n\t// Use key/value.\n\t...\n}\niter.Release()\nerr = iter.Error()\n...\n```\nIterate over subset of database content with a particular prefix:\n```go\niter := db.NewIterator(util.BytesPrefix([]byte(\"foo-\")), nil)\nfor iter.Next() {\n\t// Use key/value.\n\t...\n}\niter.Release()\nerr = iter.Error()\n...\n```\nBatch writes:\n```go\nbatch := new(leveldb.Batch)\nbatch.Put([]byte(\"foo\"), []byte(\"value\"))\nbatch.Put([]byte(\"bar\"), []byte(\"another value\"))\nbatch.Delete([]byte(\"baz\"))\nerr = db.Write(batch, nil)\n...\n```\nUse bloom filter:\n```go\no := \u0026opt.Options{\n\tFilter: filter.NewBloomFilter(10),\n}\ndb, err := leveldb.OpenFile(\"path/to/db\", o)\n...\ndefer db.Close()\n...\n```\nDocumentation\n-----------\n\nYou can read package documentation [here](http:godoc.org/github.com/syndtr/goleveldb).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffactomproject%2Fgoleveldb","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ffactomproject%2Fgoleveldb","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffactomproject%2Fgoleveldb/lists"}