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SQL/MED catalog manipulation facilities

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This doesn't do any remote or external things yet, but it gives modules
like plproxy and dblink a standardized and future-proof system for
managing their connection information.

Martin Pihlak and Peter Eisentraut
This commit is contained in:
Peter Eisentraut
2008-12-19 16:25:19 +00:00
parent 1eec10a2de
commit cae565e503
76 changed files with 8452 additions and 125 deletions
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doc/src/sgml/ref/drop_foreign_data_wrapper.sgml Normal file
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<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_foreign_data_wrapper.sgml,v 1.1 2008/12/19 16:25:16 petere Exp $
PostgreSQL documentation
-->
<refentry id="SQL-DROPFOREIGNDATAWRAPPER">
<refmeta>
<refentrytitle id="sql-dropforeigndatawrapper-title">DROP FOREIGN DATA WRAPPER</refentrytitle>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>DROP FOREIGN DATA WRAPPER</refname>
<refpurpose>remove a foreign-data wrapper</refpurpose>
</refnamediv>
<indexterm zone="sql-dropforeigndatawrapper">
<primary>DROP FOREIGN DATA WRAPPER</primary>
</indexterm>
<refsynopsisdiv>
<synopsis>
DROP FOREIGN DATA WRAPPER [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
<command>DROP FOREIGN DATA WRAPPER</command> removes an existing
foreign-data wrapper. To execute this command, the current user
must be the owner of the foreign-data wrapper.
</para>
</refsect1>
<refsect1>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><literal>IF EXISTS</literal></term>
<listitem>
<para>
Do not throw an error if the foreign-data wrapper does not
exist. A notice is issued in this case.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">name</replaceable></term>
<listitem>
<para>
The name of an existing foreign-data wrapper.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>CASCADE</literal></term>
<listitem>
<para>
Automatically drop objects that depend on the foreign-data
wrapper (such as servers).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>RESTRICT</literal></term>
<listitem>
<para>
Refuse to drop the foreign-data wrappers if any objects depend
on it. This is the default.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
Drop the foreign-data wrapper <literal>dbi</>:
<programlisting>
DROP FOREIGN DATA WRAPPER dbi;
</programlisting>
</para>
</refsect1>
<refsect1>
<title>Compatibility</title>
<para>
<command>DROP FOREIGN DATA WRAPPER</command> conforms to ISO/IEC
9075-9 (SQL/MED). The <literal>IF EXISTS</> clause is
a <productname>PostgreSQL</> extension.
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<simplelist type="inline">
<member><xref linkend="sql-createforeigndatawrapper" endterm="sql-createforeigndatawrapper-title"></member>
<member><xref linkend="sql-alterforeigndatawrapper" endterm="sql-alterforeigndatawrapper-title"></member>
</simplelist>
</refsect1>
</refentry>