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| <table width="100%" summary="page for createExternalTable {SparkR}"><tr><td>createExternalTable {SparkR}</td><td align="right">R Documentation</td></tr></table> |
| |
| <h2>Create an external table</h2> |
| |
| <h3>Description</h3> |
| |
| <p>Creates an external table based on the dataset in a data source, |
| Returns the DataFrame associated with the external table. |
| </p> |
| |
| |
| <h3>Usage</h3> |
| |
| <pre> |
| createExternalTable(sqlContext, tableName, path = NULL, source = NULL, ...) |
| </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>A name of the table</p> |
| </td></tr> |
| <tr valign="top"><td><code>path</code></td> |
| <td> |
| <p>The path of files to load</p> |
| </td></tr> |
| <tr valign="top"><td><code>source</code></td> |
| <td> |
| <p>the name of external data source</p> |
| </td></tr> |
| </table> |
| |
| |
| <h3>Details</h3> |
| |
| <p>The data source is specified by the 'source' and a set of options(...). |
| If 'source' is not specified, the default data source configured by |
| "spark.sql.sources.default" will be used. |
| </p> |
| |
| |
| <h3>Value</h3> |
| |
| <p>DataFrame |
| </p> |
| |
| |
| <h3>Examples</h3> |
| |
| <pre><code class="r">## Not run: |
| ##D sc <- sparkR.init() |
| ##D sqlContext <- sparkRSQL.init(sc) |
| ##D df <- sparkRSQL.createExternalTable(sqlContext, "myjson", path="path/to/json", source="json") |
| ## End(Not run) |
| </code></pre> |
| |
| |
| <hr><div align="center">[Package <em>SparkR</em> version 1.6.3 <a href="00Index.html">Index</a>]</div> |
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