site/docs/1.4.0/api/R/cacheTable.html


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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<table width="100%" summary="page for cacheTable {SparkR}"><tr><td>cacheTable {SparkR}</td><td align="right">R Documentation</td></tr></table>

<h2>Cache Table</h2>

<h3>Description</h3>

<p>Caches the specified table in-memory.
</p>


<h3>Usage</h3>

<pre>
cacheTable(sqlContext, tableName)
</pre>


<h3>Arguments</h3>

<table summary="R argblock">
<tr valign="top"><td><code>sqlContext</code></td>
<td>
<p>SQLContext to use</p>
</td></tr>
<tr valign="top"><td><code>tableName</code></td>
<td>
<p>The name of the table being cached</p>
</td></tr>
</table>


<h3>Value</h3>

<p>DataFrame
</p>


<h3>Examples</h3>

<pre><code class="r">## Not run: 
##D sc &lt;- sparkR.init()
##D sqlContext &lt;- sparkRSQL.init(sc)
##D path &lt;- &quot;path/to/file.json&quot;
##D df &lt;- jsonFile(sqlContext, path)
##D registerTempTable(df, &quot;table&quot;)
##D cacheTable(sqlContext, &quot;table&quot;)
## End(Not run)
</code></pre>


<hr><div align="center">[Package <em>SparkR</em> version 1.4.0 <a href="00Index.html">Index</a>]</div>
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