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2016-12-15 17:06:28 -08:00

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<a href="https://github.com/Microsoft/sqltoolsservice/new/master/docs/apispec/new?filename=Microsoft_SqlTools_ServiceLayer_QueryExecution_Query.md&amp;value=---%0Auid%3A%20Microsoft.SqlTools.ServiceLayer.QueryExecution.Query%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A" class="pull-right mobile-hide"><span class="fa fa-github"></span>Improve this Doc</a>
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<h1 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query">Class Query
</h1>
<div class="markdown level0 summary"><p>Internal representation of an active query</p>
</div>
<div class="markdown level0 conceptual"></div>
<div class="inheritance">
<h5>Inheritance</h5>
<div class="level0"><span class="xref">System.Object</span></div>
<div class="level1"><span class="xref">Query</span></div>
</div>
<h6><strong>Namespace</strong>:Microsoft.SqlTools.ServiceLayer.QueryExecution</h6>
<h6><strong>Assembly</strong>:Microsoft.SqlTools.ServiceLayer.dll</h6>
<h5 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public class Query : IDisposable</code></pre>
</div>
<h3 id="constructors">Constructors
</h3>
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<a href="https://github.com/Microsoft/sqltoolsservice/new/master/docs/apispec/new?filename=Microsoft_SqlTools_ServiceLayer_QueryExecution_Query__ctor_System_String_Microsoft_SqlTools_ServiceLayer_Connection_ConnectionInfo_Microsoft_SqlTools_ServiceLayer_SqlContext_QueryExecutionSettings_Microsoft_SqlTools_ServiceLayer_QueryExecution_DataStorage_IFileStreamFactory_.md&amp;value=---%0Auid%3A%20Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.%23ctor(System.String%2CMicrosoft.SqlTools.ServiceLayer.Connection.ConnectionInfo%2CMicrosoft.SqlTools.ServiceLayer.SqlContext.QueryExecutionSettings%2CMicrosoft.SqlTools.ServiceLayer.QueryExecution.DataStorage.IFileStreamFactory)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query__ctor_System_String_Microsoft_SqlTools_ServiceLayer_Connection_ConnectionInfo_Microsoft_SqlTools_ServiceLayer_SqlContext_QueryExecutionSettings_Microsoft_SqlTools_ServiceLayer_QueryExecution_DataStorage_IFileStreamFactory_" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.#ctor(System.String,Microsoft.SqlTools.ServiceLayer.Connection.ConnectionInfo,Microsoft.SqlTools.ServiceLayer.SqlContext.QueryExecutionSettings,Microsoft.SqlTools.ServiceLayer.QueryExecution.DataStorage.IFileStreamFactory)">Query(String, ConnectionInfo, QueryExecutionSettings, IFileStreamFactory)</h4>
<div class="markdown level1 summary"><p>Constructor for a query</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Query(string queryText, ConnectionInfo connection, QueryExecutionSettings settings, IFileStreamFactory outputFactory)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><em>queryText</em></td>
<td><p>The text of the query to execute</p>
</td>
</tr>
<tr>
<td><a class="xref" href="Microsoft.SqlTools.ServiceLayer.Connection.ConnectionInfo.html">ConnectionInfo</a></td>
<td><em>connection</em></td>
<td><p>The information of the connection to use to execute the query</p>
</td>
</tr>
<tr>
<td><a class="xref" href="Microsoft.SqlTools.ServiceLayer.SqlContext.QueryExecutionSettings.html">QueryExecutionSettings</a></td>
<td><em>settings</em></td>
<td><p>Settings for how to execute the query, from the user</p>
</td>
</tr>
<tr>
<td><a class="xref" href="Microsoft.SqlTools.ServiceLayer.QueryExecution.DataStorage.IFileStreamFactory.html">IFileStreamFactory</a></td>
<td><em>outputFactory</em></td>
<td><p>Factory for creating output files</p>
</td>
</tr>
</tbody>
</table>
<h3 id="properties">Properties
</h3>
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<a href="https://github.com/Microsoft/sqltoolsservice/new/master/docs/apispec/new?filename=Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_BatchSummaries.md&amp;value=---%0Auid%3A%20Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.BatchSummaries%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_BatchSummaries" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.BatchSummaries">BatchSummaries</h4>
<div class="markdown level1 summary"><p>The summaries of the batches underneath this query</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public BatchSummary[] BatchSummaries { get; }</code></pre>
</div>
<h5 class="propertyValue"></h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Microsoft.SqlTools.ServiceLayer.QueryExecution.Contracts.BatchSummary.html">BatchSummary</a>[]</td>
<td></td>
</tr>
</tbody>
</table>
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<a href="https://github.com/Microsoft/sqltoolsservice/new/master/docs/apispec/new?filename=Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_HasExecuted.md&amp;value=---%0Auid%3A%20Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.HasExecuted%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_HasExecuted" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.HasExecuted">HasExecuted</h4>
<div class="markdown level1 summary"><p>Whether or not the query has completed executed, regardless of success or failure</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_HasExecuted_remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>Don&#39;t touch the setter unless you&#39;re doing unit tests!</p>
</div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public bool HasExecuted { get; }</code></pre>
</div>
<h5 class="propertyValue"></h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a href="https://github.com/Microsoft/sqltoolsservice/new/master/docs/apispec/new?filename=Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_QueryText.md&amp;value=---%0Auid%3A%20Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.QueryText%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_QueryText" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.QueryText">QueryText</h4>
<div class="markdown level1 summary"><p>The text of the query to execute</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public string QueryText { get; set; }</code></pre>
</div>
<h5 class="propertyValue"></h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="methods">Methods
</h3>
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<a href="https://github.com/Microsoft/sqltoolsservice/new/master/docs/apispec/new?filename=Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_Cancel.md&amp;value=---%0Auid%3A%20Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.Cancel%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_Cancel" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.Cancel">Cancel()</h4>
<div class="markdown level1 summary"><p>Cancels the query by issuing the cancellation token</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Cancel()</code></pre>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_Dispose" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.Dispose">Dispose()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Dispose()</code></pre>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_Dispose_System_Boolean_" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.Dispose(System.Boolean)">Dispose(Boolean)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected virtual void Dispose(bool disposing)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td><em>disposing</em></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_Execute" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.Execute">Execute()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Execute()</code></pre>
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<a href="https://github.com/Microsoft/sqltoolsservice/new/master/docs/apispec/new?filename=Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_GetSubset_System_Int32_System_Int32_System_Int32_System_Int32_.md&amp;value=---%0Auid%3A%20Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.GetSubset(System.Int32%2CSystem.Int32%2CSystem.Int32%2CSystem.Int32)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_GetSubset_System_Int32_System_Int32_System_Int32_System_Int32_" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.GetSubset(System.Int32,System.Int32,System.Int32,System.Int32)">GetSubset(Int32, Int32, Int32, Int32)</h4>
<div class="markdown level1 summary"><p>Retrieves a subset of the result sets</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;ResultSetSubset&gt; GetSubset(int batchIndex, int resultSetIndex, int startRow, int rowCount)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><em>batchIndex</em></td>
<td><p>The index for selecting the batch item</p>
</td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><em>resultSetIndex</em></td>
<td><p>The index for selecting the result set</p>
</td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><em>startRow</em></td>
<td><p>The starting row of the results</p>
</td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><em>rowCount</em></td>
<td><p>How many rows to retrieve</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Threading.Tasks.Task</span>&lt;<a class="xref" href="Microsoft.SqlTools.ServiceLayer.QueryExecution.Contracts.ResultSetSubset.html">ResultSetSubset</a>&gt;</td>
<td><p>A subset of results</p>
</td>
</tr>
</tbody>
</table>
<h3 id="events">Events
</h3>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_BatchCompleted" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.BatchCompleted">BatchCompleted</h4>
<div class="markdown level1 summary"><p>Event to be called when a batch is completed.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public event Batch.BatchAsyncEventHandler BatchCompleted</code></pre>
</div>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_BatchStarted" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.BatchStarted">BatchStarted</h4>
<div class="markdown level1 summary"><p>Event to be called when a batch starts execution.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public event Batch.BatchAsyncEventHandler BatchStarted</code></pre>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_QueryCompleted" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.QueryCompleted">QueryCompleted</h4>
<div class="markdown level1 summary"><p>Callback for when the query has completed successfully</p>
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<pre><code class="lang-csharp hljs">public event Query.QueryAsyncEventHandler QueryCompleted</code></pre>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_QueryConnectionException" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.QueryConnectionException">QueryConnectionException</h4>
<div class="markdown level1 summary"><p>Callback for when the query connection has failed</p>
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<pre><code class="lang-csharp hljs">public event Query.QueryAsyncErrorEventHandler QueryConnectionException</code></pre>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_QueryFailed" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.QueryFailed">QueryFailed</h4>
<div class="markdown level1 summary"><p>Callback for when the query has failed</p>
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<h5 class="decalaration">Declaration</h5>
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<pre><code class="lang-csharp hljs">public event Query.QueryAsyncEventHandler QueryFailed</code></pre>
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<h4 id="Microsoft_SqlTools_ServiceLayer_QueryExecution_Query_ResultSetCompleted" data-uid="Microsoft.SqlTools.ServiceLayer.QueryExecution.Query.ResultSetCompleted">ResultSetCompleted</h4>
<div class="markdown level1 summary"><p>Event to be called when a resultset has completed.</p>
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<h5 class="decalaration">Declaration</h5>
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<pre><code class="lang-csharp hljs">public event ResultSet.ResultSetAsyncEventHandler ResultSetCompleted</code></pre>
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