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* chore: update mongo-objectid + exposed it (#16) * chore: updated mongo-objectid to 1.2.0 * feat: exposed ObjectID * test: added exposition test * chore: updated mongo-objectid to 1.2.1 * chore: bump dependencies to latest fix security issue. * fix: consistency issue with getDocument on unfound doc (#15) Match fs adapter comportment * chore(package): bump to 3.0.0 * fix: issue with lower fill factor than order for single element tree (#14) * fix: issue with lower fill factor than order for single element tree (#13) * fix(SBFRoot/findLowerThan): finding document on equal case for lte Specific case when order is bigger than actual size * style: formatting * test: add tests for tree with lower size than order Co-authored-by: Anurag Vohra <53807480+anuragvohraec@users.noreply.github.com> * docs: docsify Co-authored-by: Anurag Vohra <53807480+anuragvohraec@users.noreply.github.com>
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# Changelog |
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MIT License | ||
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Copyright (c) 2020+ Alex Werner. | ||
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Permission is hereby granted, free of charge, to any person obtaining a copy | ||
of this software and associated documentation files (the "Software"), to deal | ||
in the Software without restriction, including without limitation the rights | ||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the Software is | ||
furnished to do so, subject to the following conditions: | ||
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The above copyright notice and this permission notice shall be included in all | ||
copies or substantial portions of the Software. | ||
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
SOFTWARE. |
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## SBTree | ||
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[![NPM Version](https://img.shields.io/npm/v/sbtree.svg?&style=flat-square)](https://www.npmjs.org/package/sbtree) | ||
[![Build Status](https://api.travis-ci.org/Alex-Werner/SBTree.svg?branch=master)](https://travis-ci.com/Alex-Werner/SBTree) | ||
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> Fast document store using B+ Tree for fields. Adapters support for In-Memory and FileSystem | ||
--- | ||
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SBTree is intended to provide a way to quickly store document-based data in-memory or on the filesystem. | ||
It uses a field-specific indexing system relaying on B+Tree structure. | ||
This allow to handle a lot of data, and have them indexed without the need to keep the whole dataset in-memory. | ||
Most of the databases uses B-Tree (MongoDB, CouchDB) or B+Tree (InnoDB, MariaDB, MySQL). | ||
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Note : By default. Everything except specifically excluded field are indexed. | ||
Nested object are also indexed. | ||
Optional support for uniques key provided. | ||
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## Install | ||
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## Browser | ||
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```html | ||
<script src="https://unpkg.com/sbtree"></script> | ||
``` | ||
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## Node | ||
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In order to use this library, you will need to add our [NPM package](https://www.npmjs.com/dash) to your project. | ||
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Having [NodeJS](https://nodejs.org/) installed, just type : | ||
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```bash | ||
npm install sbtree | ||
``` | ||
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## Usage | ||
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```js | ||
const { SBTree } = require("sbtree"); | ||
const tree = new SBTree({order:100}); | ||
const start = async function () { | ||
const doc = {_id:'507f1f77bcf86cd799439011',name:"Alex", age:28}; | ||
const doc2 = {name:"Jean", age:30} | ||
await tree.insertDocuments(doc); | ||
await tree.insertDocuments(doc2); | ||
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// [ { _id: '507f1f77bcf86cd799439011', name: 'Alex', age: 28 } ] | ||
const searchLte = await tree.findDocuments({age:{$lte:28}}); | ||
// [ { _id: '507f1f77bcf86cd799439011', name: 'Alex', age: 28 } ] -> equivalent {age:{$eq:28}} | ||
const searchEq = await tree.findDocuments({age:28}); | ||
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// [ { _id: '507f1f77bcf86cd799439011', name: 'Alex', age: 28 } ] | ||
const [alex] = await tree.getDocument(doc._id); | ||
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// [ { _id: '...', name: 'Jean', age: 30 } ] | ||
const deleteRes = await tree.deleteDocuments({age:30}); | ||
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alex.age = 29; | ||
const replaceRes = await tree.replaceDocuments(alex) | ||
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await tree.insertDocuments({name:'John', nestedField:{isNested:{itIs:true}}}); | ||
const [john] = await tree.findDocuments({nestedField:{isNested:{itIs:true}}}); | ||
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} | ||
tree.on('ready', start); | ||
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const tree = new SBTree({ | ||
network: "testnet", | ||
mnemonic: "arena light cheap control apple buffalo indicate rare motor valid accident isolate", | ||
}); | ||
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client.isReady().then(async () => { | ||
const {account, platform} = client; | ||
console.log("Funding address", account.getUnusedAddress().address); | ||
console.log("Confirmed Balance", account.getConfirmedBalance()); | ||
console.log(await platform.names.get('alice')); | ||
}); | ||
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``` | ||
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## Adapters | ||
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- `MemoryAdapter` : Default adapter. Set Store inMemory. Limited by heap memory available (good enough). | ||
- `FsAdapter` : Set Data in filesystem. Limitation should be disksize on optimized order. | ||
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## Licence | ||
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[MIT](https://github.com/Alex-Werner/SBTree/blob/master/LICENCE.md) © Alex Werner | ||
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- Primitives | ||
- [SBTree](primitives/SBTree.md) | ||
- Usage | ||
- [Events](usage/events.md) | ||
- [Queries](usage/queries.md) | ||
- [License](LICENSE) |
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<!DOCTYPE html> | ||
<html lang="en"> | ||
<head> | ||
<meta charset="UTF-8"> | ||
<title>SBTree - Fast document store using B+ Tree for fields. Adapters support for In-Memory and FileSystem.</title> | ||
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> | ||
<meta name="keywords" content=""> | ||
<meta name="description" content="B+Tree document-store for nodejs."> | ||
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> | ||
<link rel="stylesheet" href="//unpkg.com/docsify/lib/themes/vue.css"> | ||
</head> | ||
<body> | ||
<div id="app"></div> | ||
<script> | ||
window.$docsify = { | ||
alias: { | ||
'.*?/changelog': 'https://raw.githubusercontent.com/Alex-Werner/SBTree/master/CHANGELOG.md', | ||
}, | ||
name: 'SBTree', | ||
repo: 'https://github.com/Alex-Werner/SBTree', | ||
loadSidebar: "_sidebar.md", | ||
maxLevel: 4, | ||
subMaxLevel: 2, | ||
search: { | ||
noData: { | ||
'/': 'No results!' | ||
}, | ||
paths: 'auto', | ||
placeholder: { | ||
'/': 'Search' | ||
} | ||
}, | ||
// search: 'auto', | ||
formatUpdated: '{MM}/{DD} {HH}:{mm}', | ||
themeColor: '#008de4', | ||
} | ||
</script> | ||
<script src="https://cdn.jsdelivr.net/npm/docsify@4"></script> | ||
<script src="//unpkg.com/docsify/lib/plugins/search.min.js"></script> | ||
<script src="https://cdn.jsdelivr.net/npm/docsify-tabs@1"></script> | ||
</body> | ||
</html> |
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const SBTree = require('./src/types/SBTree/SBTree'); | ||
const adapters = require('./src/adapters/index'); | ||
const ObjectID = require('mongo-objectid') | ||
const utils = require('./src/utils/index'); | ||
module.exports = {SBTree, adapters}; | ||
module.exports = {SBTree, ObjectID, adapters}; |
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