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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:19:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:19:15 +0000
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tree657d8194422a5daccecfd42d654b8a245ef7b4c8 /doc/src/sgml/html/sql-importforeignschema.html
parentInitial commit. (diff)
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Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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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>IMPORT FOREIGN SCHEMA</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 V1.79.1" /><link rel="prev" href="sql-grant.html" title="GRANT" /><link rel="next" href="sql-insert.html" title="INSERT" /></head><body id="docContent" class="container-fluid col-10"><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">IMPORT FOREIGN SCHEMA</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-grant.html" title="GRANT">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><th width="60%" align="center">SQL Commands</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 13.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-insert.html" title="INSERT">Next</a></td></tr></table><hr></hr></div><div class="refentry" id="SQL-IMPORTFOREIGNSCHEMA"><div class="titlepage"></div><a id="id-1.9.3.151.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">IMPORT FOREIGN SCHEMA</span></h2><p>IMPORT FOREIGN SCHEMA — import table definitions from a foreign server</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
+IMPORT FOREIGN SCHEMA <em class="replaceable"><code>remote_schema</code></em>
+ [ { LIMIT TO | EXCEPT } ( <em class="replaceable"><code>table_name</code></em> [, ...] ) ]
+ FROM SERVER <em class="replaceable"><code>server_name</code></em>
+ INTO <em class="replaceable"><code>local_schema</code></em>
+ [ OPTIONS ( <em class="replaceable"><code>option</code></em> '<em class="replaceable"><code>value</code></em>' [, ... ] ) ]
+</pre></div><div class="refsect1" id="SQL-IMPORTFOREIGNSCHEMA-DESCRIPTION"><h2>Description</h2><p>
+ <code class="command">IMPORT FOREIGN SCHEMA</code> creates foreign tables that
+ represent tables existing on a foreign server. The new foreign tables
+ will be owned by the user issuing the command and are created with
+ the correct column definitions and options to match the remote tables.
+ </p><p>
+ By default, all tables and views existing in a particular schema on the
+ foreign server are imported. Optionally, the list of tables can be limited
+ to a specified subset, or specific tables can be excluded. The new foreign
+ tables are all created in the target schema, which must already exist.
+ </p><p>
+ To use <code class="command">IMPORT FOREIGN SCHEMA</code>, the user must have
+ <code class="literal">USAGE</code> privilege on the foreign server, as well as
+ <code class="literal">CREATE</code> privilege on the target schema.
+ </p></div><div class="refsect1" id="id-1.9.3.151.6"><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="replaceable"><code>remote_schema</code></em></span></dt><dd><p>
+ The remote schema to import from. The specific meaning of a remote schema
+ depends on the foreign data wrapper in use.
+ </p></dd><dt><span class="term"><code class="literal">LIMIT TO ( <em class="replaceable"><code>table_name</code></em> [, ...] )</code></span></dt><dd><p>
+ Import only foreign tables matching one of the given table names.
+ Other tables existing in the foreign schema will be ignored.
+ </p></dd><dt><span class="term"><code class="literal">EXCEPT ( <em class="replaceable"><code>table_name</code></em> [, ...] )</code></span></dt><dd><p>
+ Exclude specified foreign tables from the import. All tables
+ existing in the foreign schema will be imported except the
+ ones listed here.
+ </p></dd><dt><span class="term"><em class="replaceable"><code>server_name</code></em></span></dt><dd><p>
+ The foreign server to import from.
+ </p></dd><dt><span class="term"><em class="replaceable"><code>local_schema</code></em></span></dt><dd><p>
+ The schema in which the imported foreign tables will be created.
+ </p></dd><dt><span class="term"><code class="literal">OPTIONS ( <em class="replaceable"><code>option</code></em> '<em class="replaceable"><code>value</code></em>' [, ...] )</code></span></dt><dd><p>
+ Options to be used during the import.
+ The allowed option names and values are specific to each foreign
+ data wrapper.
+ </p></dd></dl></div></div><div class="refsect1" id="SQL-IMPORTFOREIGNSCHEMA-EXAMPLES"><h2>Examples</h2><p>
+ Import table definitions from a remote schema <code class="structname">foreign_films</code>
+ on server <code class="structname">film_server</code>, creating the foreign tables in
+ local schema <code class="structname">films</code>:
+
+</p><pre class="programlisting">
+IMPORT FOREIGN SCHEMA foreign_films
+ FROM SERVER film_server INTO films;
+</pre><p>
+ </p><p>
+ As above, but import only the two tables <code class="structname">actors</code> and
+ <code class="literal">directors</code> (if they exist):
+
+</p><pre class="programlisting">
+IMPORT FOREIGN SCHEMA foreign_films LIMIT TO (actors, directors)
+ FROM SERVER film_server INTO films;
+</pre></div><div class="refsect1" id="SQL-IMPORTFOREIGNSCHEMA-COMPATIBILITY"><h2>Compatibility</h2><p>
+ The <code class="command">IMPORT FOREIGN SCHEMA</code> command conforms to the
+ <acronym class="acronym">SQL</acronym> standard, except that the <code class="literal">OPTIONS</code>
+ clause is a <span class="productname">PostgreSQL</span> extension.
+ </p></div><div class="refsect1" id="id-1.9.3.151.9"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-createforeigntable.html" title="CREATE FOREIGN TABLE"><span class="refentrytitle">CREATE FOREIGN TABLE</span></a>, <a class="xref" href="sql-createserver.html" title="CREATE SERVER"><span class="refentrytitle">CREATE SERVER</span></a></span></div></div><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navfooter"><hr></hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sql-grant.html" title="GRANT">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sql-insert.html" title="INSERT">Next</a></td></tr><tr><td width="40%" align="left" valign="top">GRANT </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 13.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> INSERT</td></tr></table></div></body></html> \ No newline at end of file
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