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                    Install
            
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                    npm
            
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                    import
            
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                    RxDatabase
            
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                    Creation
            
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                    name
            
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                    adapter
            
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                    password
            
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                    multiInstance
            
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                    eventReduce
            
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                    ignoreDuplicate
            
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                    pouchSettings
            
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                    Functions
            
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                    $
            
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                    exportJSON()
            
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                    importJSON()
            
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                    server()
            
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                    waitForLeadership()
            
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                    requestIdlePromise()
            
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                    destroy()
            
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                    remove()
            
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                    checkAdapter()
            
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                    isRxDatabase()
            
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                    RxSchema
            
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                    Example
            
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                    Create a collection with the schema
            
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                    version
            
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                    keyCompression
            
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                    indexes
            
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                    attachments
            
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                    default
            
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                    final
            
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                    Schema Validation
            
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                    RxCollection
            
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                    Creation
            
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                    name
            
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                    schema
            
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                    pouchSettings
            
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                    ORM-functions
            
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                    Migration
            
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                    Functions
            
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                    $
            
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                    insert()
            
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                    bulkInsert()
            
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                    bulkRemove()
            
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                    upsert()
            
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        <li class="chapter " data-level="1.8.2.6" data-path="rx-collection.html">
            
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                    atomicUpsert()
            
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                    find()
            
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                    findOne()
            
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                    findByIds()
            
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                    findByIds$()
            
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        <li class="chapter " data-level="1.8.2.11" data-path="rx-collection.html">
            
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                    exportJSON()
            
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                    importJSON()
            
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        <li class="chapter " data-level="1.8.2.13" data-path="rx-collection.html">
            
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                    syncCouchDB()
            
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        <li class="chapter " data-level="1.8.2.14" data-path="rx-collection.html">
            
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                    syncGraphQL()
            
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        <li class="chapter " data-level="1.8.2.15" data-path="rx-collection.html">
            
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                    remove()
            
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        <li class="chapter " data-level="1.8.2.16" data-path="rx-collection.html">
            
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                    destroy()
            
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        <li class="chapter " data-level="1.8.2.17" data-path="rx-collection.html">
            
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                    isRxCollection()
            
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        <li class="chapter " data-level="1.9" data-path="rx-document.html">
            
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                    RxDocument
            
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        <li class="chapter " data-level="1.9.1" data-path="rx-document.html">
            
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                    Insert
            
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        <li class="chapter " data-level="1.9.2" data-path="rx-document.html">
            
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                    Find
            
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        <li class="chapter " data-level="1.9.3" data-path="rx-document.html">
            
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                    Functions
            
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        <li class="chapter " data-level="1.9.3.1" data-path="rx-document.html">
            
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                    get()
            
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        <li class="chapter " data-level="1.9.3.2" data-path="rx-document.html">
            
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                    get$()
            
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        <li class="chapter " data-level="1.9.3.3" data-path="rx-document.html">
            
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                    proxy-get
            
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        <li class="chapter " data-level="1.9.3.4" data-path="rx-document.html">
            
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                    update()
            
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        <li class="chapter " data-level="1.9.3.5" data-path="rx-document.html">
            
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                    atomicUpdate()
            
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        <li class="chapter " data-level="1.9.3.6" data-path="rx-document.html">
            
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                    atomicPatch()
            
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        <li class="chapter " data-level="1.9.3.7" data-path="rx-document.html">
            
                <a href="rx-document.html#observe-">
            
                    
                    $
            
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        <li class="chapter " data-level="1.9.3.8" data-path="rx-document.html">
            
                <a href="rx-document.html#remove">
            
                    
                    remove()
            
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        <li class="chapter " data-level="1.9.3.9" data-path="rx-document.html">
            
                <a href="rx-document.html#deleted$">
            
                    
                    deleted$
            
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        <li class="chapter " data-level="1.9.3.10" data-path="rx-document.html">
            
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                    toJSON()
            
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        <li class="chapter " data-level="1.9.3.11" data-path="rx-document.html">
            
                <a href="rx-document.html#set">
            
                    
                    set()
            
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        <li class="chapter " data-level="1.9.3.12" data-path="rx-document.html">
            
                <a href="rx-document.html#save">
            
                    
                    save()
            
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        <li class="chapter " data-level="1.9.3.13" data-path="rx-document.html">
            
                <a href="rx-document.html#isrxdocument">
            
                    
                    isRxDocument()
            
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        <li class="chapter " data-level="1.10" data-path="rx-query.html">
            
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                    RxQuery
            
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        <li class="chapter " data-level="1.10.1" data-path="rx-query.html">
            
                <a href="rx-query.html#find">
            
                    
                    find()
            
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        <li class="chapter " data-level="1.10.2" data-path="rx-query.html">
            
                <a href="rx-query.html#findOne">
            
                    
                    findOne()
            
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        <li class="chapter " data-level="1.10.3" data-path="rx-query.html">
            
                <a href="rx-query.html#exec">
            
                    
                    exec()
            
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        <li class="chapter " data-level="1.10.4" data-path="rx-query.html">
            
                <a href="rx-query.html#observe-">
            
                    
                    $
            
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        <li class="chapter " data-level="1.10.5" data-path="rx-query.html">
            
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                    update()
            
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        <li class="chapter " data-level="1.10.6" data-path="rx-query.html">
            
                <a href="rx-query.html#remove">
            
                    
                    remove()
            
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        <li class="chapter " data-level="1.10.7" data-path="rx-query.html">
            
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                    doesDocumentDataMatch()
            
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        <li class="chapter " data-level="1.10.8" data-path="rx-query.html">
            
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                    Specific Index
            
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        <li class="chapter " data-level="1.10.9" data-path="rx-query.html">
            
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                    Examples
            
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        <li class="chapter " data-level="1.10.10" data-path="rx-query.html">
            
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                    isRxQuery()
            
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        <li class="chapter " data-level="1.11" data-path="rx-attachment.html">
            
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                    RxAttachment
            
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        <li class="chapter " data-level="1.12" data-path="middleware.html">
            
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                    Middleware-hooks
            
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        <li class="chapter " data-level="1.13" data-path="orm.html">
            
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                    ORM/DRM
            
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        <li class="chapter " data-level="1.14" data-path="population.html">
            
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                    Population
            
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                    Encryption
            
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        <li class="chapter " data-level="1.16" data-path="key-compression.html">
            
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                                <h1 id="install">Install</h1>
<h2 id="npm">npm</h2>
<p>To install the latest release of <code>rxdb</code> and its dependencies and save it to your <code>package.json</code>, run:</p>
<p><code>npm i rxdb --save</code></p>
<h2 id="peer-dependency">peer-dependency</h2>
<p>You also need to install the peer-dependency <code>rxjs</code> if you have not installed it before.</p>
<p><code>npm i rxjs --save</code></p>
<h2 id="polyfills">polyfills</h2>
<p>RxDB is coded with es8 and transpiled to es5. This means you have to install <a href="https://developer.mozilla.org/en-US/docs/Glossary/Polyfill" target="_blank">polyfills</a> to support older browsers. For example you can use the babel-polyfills with:</p>
<p><code>npm i @babel/polyfill --save</code></p>
<p>If you need polyfills, you have to import them in your code.</p>
<pre><code class="lang-typescript"><span class="hljs-keyword">import</span> <span class="hljs-string">&apos;@babel/polyfill&apos;</span>;
</code></pre>
<h2 id="polyfill-the-global-variable">Polyfill the <code>global</code> variable</h2>
<p>When you use RxDB with <strong>angular</strong> or other <strong>webpack</strong> based frameworks, you might get the error <span style="color: red;">Uncaught ReferenceError: global is not defined</span>. This is because pouchdb assumes a nodejs-specific <code>global</code> variable that is not added to browser runtimes by some bundlers.
You have to add them by your own, like we do <a href="https://github.com/pubkey/rxdb/blob/master/examples/angular/src/polyfills.ts" target="_blank">here</a>.</p>
<pre><code class="lang-ts">(<span class="hljs-built_in">window</span> as <span class="hljs-built_in">any</span>).global = <span class="hljs-built_in">window</span>;
(<span class="hljs-built_in">window</span> as <span class="hljs-built_in">any</span>).process = {
    env: { DEBUG: <span class="hljs-literal">undefined</span> },
};
</code></pre>
<h2 id="project-setup-and-configuration">Project Setup and Configuration</h2>
<p>In the <a href="https://github.com/pubkey/rxdb/tree/master/examples" target="_blank">examples</a> folder you can find CI tested projects for different frameworks and use cases, while in the <a href="https://github.com/pubkey/rxdb/tree/master/config" target="_blank">/config</a> folder base configuration files for Webpack, Rollup, Mocha, Karma, Typescript are exposed.</p>
<p>Consult <a href="https://github.com/pubkey/rxdb/blob/master/package.json" target="_blank">package.json</a> for the versions of the packages supported.</p>
<h2 id="latest">Latest</h2>
<p>If you need the latest development state of RxDB, add it as git-dependency into your <code>package.json</code>.</p>
<pre><code class="lang-json">  <span class="hljs-string">&quot;dependencies&quot;</span>: {
      <span class="hljs-string">&quot;rxdb&quot;</span>: <span class="hljs-string">&quot;git+https://git@github.com/pubkey/rxdb.git#commitHash&quot;</span>
  }
</code></pre>
<p>Replace <code>commitHash</code> with the hash of the latest <a href="https://github.com/pubkey/rxdb/search?q=build&amp;type=Commits" target="_blank">build-commit</a>.</p>
<h2 id="import">Import</h2>
<p>To import <code>rxdb</code>, add this to your JavaScript file to import the default bundle that contains the RxDB core:</p>
<pre><code class="lang-typescript"><span class="hljs-keyword">import</span> {
  createRxDatabase,
  <span class="hljs-comment">/* ... */</span>
} from <span class="hljs-string">&apos;rxdb&apos;</span>;
</code></pre>

                                
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