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node-eventstore-client

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A port of the EventStore .Net ClientAPI to Node.js

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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JSDoc: Class: ProjectionsManager</title> <script src="scripts/prettify/prettify.js"> </script> <script src="scripts/prettify/lang-css.js"> </script> <!--[if lt IE 9]> <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script> <![endif]--> <link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css"> <link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css"> </head> <body> <div id="main"> <h1 class="page-title">Class: ProjectionsManager</h1> <section> <header> <h2><span class="attribs"><span class="type-signature"></span></span>ProjectionsManager<span class="signature">(log, httpEndPoint, operationTimeout, rejectUnauthorized<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h2> </header> <article> <div class="container-overview"> <h4 class="name" id="ProjectionsManager"><span class="type-signature"></span>new ProjectionsManager<span class="signature">(log, httpEndPoint, operationTimeout, rejectUnauthorized<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h4> <div class="description"> Creates a new instance of ProjectionsManager. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th>Attributes</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>log</code></td> <td class="type"> <span class="param-type">Logger</span> </td> <td class="attributes"> </td> <td class="description last">Instance of Logger to use for logging.</td> </tr> <tr> <td class="name"><code>httpEndPoint</code></td> <td class="type"> <span class="param-type">string</span> </td> <td class="attributes"> </td> <td class="description last">HTTP endpoint of an Event Store server.</td> </tr> <tr> <td class="name"><code>operationTimeout</code></td> <td class="type"> <span class="param-type">number</span> </td> <td class="attributes"> </td> <td class="description last">Operation timeout in milliseconds.</td> </tr> <tr> <td class="name"><code>rejectUnauthorized</code></td> <td class="type"> <span class="param-type">boolean</span> </td> <td class="attributes"> &lt;optional><br> </td> <td class="description last">Reject authorized SSL certs (if using SSL) - set to false is using self-signed certs</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line12">line 12</a> </li></ul></dd> </dl> </div> <h3 class="subsection-title">Methods</h3> <h4 class="name" id="abort"><span class="type-signature"></span>abort<span class="signature">(name, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;void>}</span></h4> <div class="description"> Disables a projection. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for a user with permission to disable a projection.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line45">line 45</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;void></span> </dd> </dl> <h4 class="name" id="createContinuous"><span class="type-signature"></span>createContinuous<span class="signature">(name, query, trackEmittedStreams, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;void>}</span></h4> <div class="description"> Creates a one-time query. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>query</code></td> <td class="type"> </td> <td class="description last">The JavaScript source code for the query.</td> </tr> <tr> <td class="name"><code>trackEmittedStreams</code></td> <td class="type"> </td> <td class="description last">Whether the streams emitted by this projection should be tracked.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for a user with permission to create a query.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line88">line 88</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;void></span> </dd> </dl> <h4 class="name" id="createOneTime"><span class="type-signature"></span>createOneTime<span class="signature">(query, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;void>}</span></h4> <div class="description"> Creates a one-time query. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>query</code></td> <td class="type"> </td> <td class="description last">The JavaScript source code for the query.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for a user with permission to create a query.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line65">line 65</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;void></span> </dd> </dl> <h4 class="name" id="createTransient"><span class="type-signature"></span>createTransient<span class="signature">(name, query, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;void>}</span></h4> <div class="description"> Creates a one-time query. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">A name for the query.</td> </tr> <tr> <td class="name"><code>query</code></td> <td class="type"> </td> <td class="description last">The JavaScript source code for the query.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for a user with permission to create a query.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line76">line 76</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;void></span> </dd> </dl> <h4 class="name" id="delete"><span class="type-signature"></span>delete<span class="signature">(name, deleteEmittedStreams, deleteStateStream, deleteCheckpointStream, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;void>}</span></h4> <div class="description"> Updates the definition of a query. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>deleteEmittedStreams</code></td> <td class="type"> </td> <td class="description last">Whether to delete the streams that were emitted by this projection.</td> </tr> <tr> <td class="name"><code>deleteStateStream</code></td> <td class="type"> </td> <td class="description last">Where to delete the state stream for this projection</td> </tr> <tr> <td class="name"><code>deleteCheckpointStream</code></td> <td class="type"> </td> <td class="description last">Where to delete the checkpoint stream for this projection</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for a user with permission to delete a projection.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line211">line 211</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;void></span> </dd> </dl> <h4 class="name" id="disable"><span class="type-signature"></span>disable<span class="signature">(name, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;void>}</span></h4> <div class="description"> Aborts and disables a projection without writing a checkpoint. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for a user with permission to disable a projection.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line35">line 35</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;void></span> </dd> </dl> <h4 class="name" id="enable"><span class="type-signature"></span>enable<span class="signature">(name, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;void>}</span></h4> <div class="description"> Enables a projection. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for a user with permission to enable a projection.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line25">line 25</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;void></span> </dd> </dl> <h4 class="name" id="getPartitionResult"><span class="type-signature"></span>getPartitionResult<span class="signature">(name, partitionId, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;string>}</span></h4> <div class="description"> Gets the state of a projection for a specified partition. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>partitionId</code></td> <td class="type"> </td> <td class="description last">The id of the partition.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for the operation.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line167">line 167</a> </li></ul></dd> </dl> <h5>Returns:</h5> <div class="param-desc"> String of JSON containing projection state. </div> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;string></span> </dd> </dl> <h4 class="name" id="getPartitionState"><span class="type-signature"></span>getPartitionState<span class="signature">(name, partitionId, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;string>}</span></h4> <div class="description"> Gets the state of a projection for a specified partition. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>partitionId</code></td> <td class="type"> </td> <td class="description last">The id of the partition.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for the operation.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line146">line 146</a> </li></ul></dd> </dl> <h5>Returns:</h5> <div class="param-desc"> String of JSON containing projection state. </div> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;string></span> </dd> </dl> <h4 class="name" id="getQuery"><span class="type-signature"></span>getQuery<span class="signature">(name, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;string>}</span></h4> <div class="description"> Gets the status of a query. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the query.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for the operation.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line187">line 187</a> </li></ul></dd> </dl> <h5>Returns:</h5> <div class="param-desc"> String of JSON containing query status. </div> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;string></span> </dd> </dl> <h4 class="name" id="getResult"><span class="type-signature"></span>getResult<span class="signature">(name, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;string>}</span></h4> <div class="description"> Gets the state of a projection. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for the operation.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line156">line 156</a> </li></ul></dd> </dl> <h5>Returns:</h5> <div class="param-desc"> String of JSON containing projection state. </div> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;string></span> </dd> </dl> <h4 class="name" id="getState"><span class="type-signature"></span>getState<span class="signature">(name, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;string>}</span></h4> <div class="description"> Gets the state of a projection. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for the operation.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line135">line 135</a> </li></ul></dd> </dl> <h5>Returns:</h5> <div class="param-desc"> String of JSON containing projection state. </div> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;string></span> </dd> </dl> <h4 class="name" id="getStatistics"><span class="type-signature"></span>getStatistics<span class="signature">(name, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;string>}</span></h4> <div class="description"> Gets the statistics of a projection. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for the operation.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line177">line 177</a> </li></ul></dd> </dl> <h5>Returns:</h5> <div class="param-desc"> String of JSON containing projection statistics. </div> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;string></span> </dd> </dl> <h4 class="name" id="getStatus"><span class="type-signature"></span>getStatus<span class="signature">(name, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;string>}</span></h4> <div class="description"> Gets the status of a projection. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for the operation.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line125">line 125</a> </li></ul></dd> </dl> <h5>Returns:</h5> <div class="param-desc"> String of JSON containing projection status. </div> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;string></span> </dd> </dl> <h4 class="name" id="listAll"><span class="type-signature"></span>listAll<span class="signature">(userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;Array.&lt;ProjectionDetails>>}</span></h4> <div class="description"> Lists the status of all projections. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for the operation.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line97">line 97</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;Array.&lt;ProjectionDetails>></span> </dd> </dl> <h4 class="name" id="listContinuous"><span class="type-signature"></span>listContinuous<span class="signature">(userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;Array.&lt;ProjectionDetails>>}</span></h4> <div class="description"> Lists the status of all continuous projections. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for the operation.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line115">line 115</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;Array.&lt;ProjectionDetails>></span> </dd> </dl> <h4 class="name" id="listOneTime"><span class="type-signature"></span>listOneTime<span class="signature">(userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;Array.&lt;ProjectionDetails>>}</span></h4> <div class="description"> Lists the status of all one-time projections. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for the operation.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line106">line 106</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;Array.&lt;ProjectionDetails>></span> </dd> </dl> <h4 class="name" id="reset"><span class="type-signature"></span>reset<span class="signature">(name, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;void>}</span></h4> <div class="description"> Reset a projection. (This will re-emit events, streams that are written to from the projection will also be soft deleted) </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the projection.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for a user with permission to reset a projection.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line55">line 55</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;void></span> </dd> </dl> <h4 class="name" id="updateQuery"><span class="type-signature"></span>updateQuery<span class="signature">(name, query, userCredentials)</span><span class="type-signature"> &rarr; {Promise.&lt;void>}</span></h4> <div class="description"> Updates the definition of a query. </div> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>name</code></td> <td class="type"> </td> <td class="description last">The name of the query.</td> </tr> <tr> <td class="name"><code>query</code></td> <td class="type"> </td> <td class="description last">The JavaScript source code for the query.</td> </tr> <tr> <td class="name"><code>userCredentials</code></td> <td class="type"> </td> <td class="description last">Credentials for the operation.</td> </tr> </tbody> </table> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="projections_projectionsManager.js.html">projections/projectionsManager.js</a>, <a href="projections_projectionsManager.js.html#line198">line 198</a> </li></ul></dd> </dl> <h5>Returns:</h5> <dl> <dt> Type </dt> <dd> <span class="param-type">Promise.&lt;void></span> </dd> </dl> </article> </section> </div> <nav> <h2><a href="index.html">Home</a></h2><h3>Namespaces</h3><ul><li><a href="EventStore.html">EventStore</a></li><li><a href="EventStore.Client.html">Client</a></li><li><a href="EventStore.Client.Messages.html">Messages</a></li></ul><h3>Classes</h3><ul><li><a href="AllEventsSlice.html">AllEventsSlice</a></li><li><a href="ClusterDiscoverer.html">ClusterDiscoverer</a></li><li><a href="DeleteResult.html">DeleteResult</a></li><li><a href="EventReadResult.html">EventReadResult</a></li><li><a href="EventStore.Client.Messages.CheckpointReached.html">CheckpointReached</a></li><li><a href="EventStore.Client.Messages.ClientIdentified.html">ClientIdentified</a></li><li><a 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