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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>37.26. foreign_data_wrappers</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="infoschema-foreign-data-wrapper-options.html" title="37.25. foreign_data_wrapper_options" /><link rel="next" href="infoschema-foreign-server-options.html" title="37.27. foreign_server_options" /></head><body><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">37.26. <code xmlns="http://www.w3.org/1999/xhtml" class="literal">foreign_data_wrappers</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="infoschema-foreign-data-wrapper-options.html" title="37.25. foreign_data_wrapper_options">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="information-schema.html" title="Chapter 37. The Information Schema">Up</a></td><th width="60%" align="center">Chapter 37. The Information Schema</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 11.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="infoschema-foreign-server-options.html" title="37.27. foreign_server_options">Next</a></td></tr></table><hr></hr></div><div class="sect1" id="INFOSCHEMA-FOREIGN-DATA-WRAPPERS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">37.26. <code class="literal">foreign_data_wrappers</code></h2></div></div></div><p>
The view <code class="literal">foreign_data_wrappers</code> contains all
foreign-data wrappers defined in the current database. Only those
foreign-data wrappers are shown that the current user has access to
(by way of being the owner or having some privilege).
</p><div class="table" id="id-1.7.6.30.3"><p class="title"><strong>Table 37.24. <code class="literal">foreign_data_wrappers</code> Columns</strong></p><div class="table-contents"><table class="table" summary="foreign_data_wrappers Columns" border="1"><colgroup><col /><col /><col /></colgroup><thead><tr><th>Name</th><th>Data Type</th><th>Description</th></tr></thead><tbody><tr><td><code class="literal">foreign_data_wrapper_catalog</code></td><td><code class="type">sql_identifier</code></td><td>Name of the database that contains the foreign-data
wrapper (always the current database)</td></tr><tr><td><code class="literal">foreign_data_wrapper_name</code></td><td><code class="type">sql_identifier</code></td><td>Name of the foreign-data wrapper</td></tr><tr><td><code class="literal">authorization_identifier</code></td><td><code class="type">sql_identifier</code></td><td>Name of the owner of the foreign server</td></tr><tr><td><code class="literal">library_name</code></td><td><code class="type">character_data</code></td><td>File name of the library that implementing this foreign-data wrapper</td></tr><tr><td><code class="literal">foreign_data_wrapper_language</code></td><td><code class="type">character_data</code></td><td>Language used to implement this foreign-data wrapper</td></tr></tbody></table></div></div><br class="table-break" /></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="infoschema-foreign-data-wrapper-options.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="information-schema.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="infoschema-foreign-server-options.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">37.25. <code class="literal">foreign_data_wrapper_options</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> 37.27. <code class="literal">foreign_server_options</code></td></tr></table></div></body></html>
