| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: (Deprecated) Create an external table</title> |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
| <link rel="stylesheet" type="text/css" href="R.css" /> |
| |
| <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css"> |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script> |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script> |
| <script>hljs.initHighlightingOnLoad();</script> |
| </head><body> |
| |
| <table width="100%" summary="page for createExternalTable {SparkR}"><tr><td>createExternalTable {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table> |
| |
| <h2>(Deprecated) Create an external table</h2> |
| |
| <h3>Description</h3> |
| |
| <p>Creates an external table based on the dataset in a data source, |
| Returns a SparkDataFrame associated with the external table. |
| </p> |
| |
| |
| <h3>Usage</h3> |
| |
| <pre> |
| ## Default S3 method: |
| createExternalTable(tableName, path = NULL, |
| source = NULL, schema = NULL, ...) |
| </pre> |
| |
| |
| <h3>Arguments</h3> |
| |
| <table summary="R argblock"> |
| <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> |
| <tr valign="top"><td><code>schema</code></td> |
| <td> |
| <p>the schema of the data required for some data sources.</p> |
| </td></tr> |
| <tr valign="top"><td><code>...</code></td> |
| <td> |
| <p>additional argument(s) passed to the method.</p> |
| </td></tr> |
| </table> |
| |
| |
| <h3>Details</h3> |
| |
| <p>The data source is specified by the <code>source</code> and a set of options(...). |
| If <code>source</code> is not specified, the default data source configured by |
| "spark.sql.sources.default" will be used. |
| </p> |
| |
| |
| <h3>Value</h3> |
| |
| <p>A SparkDataFrame. |
| </p> |
| |
| |
| <h3>Note</h3> |
| |
| <p>createExternalTable since 1.4.0 |
| </p> |
| |
| |
| <h3>See Also</h3> |
| |
| <p><a href="createTable.html">createTable</a> |
| </p> |
| |
| |
| <h3>Examples</h3> |
| |
| <pre><code class="r">## Not run: |
| ##D sparkR.session() |
| ##D df <- createExternalTable("myjson", path="path/to/json", source="json", schema) |
| ## End(Not run) |
| </code></pre> |
| |
| |
| <hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.4.0 <a href="00Index.html">Index</a>]</div> |
| </body></html> |
