2 doc/src/sgml/ref/drop_foreign_data_wrapper.sgml
3 PostgreSQL documentation
6 <refentry id="SQL-DROPFOREIGNDATAWRAPPER">
8 <refentrytitle>DROP FOREIGN DATA WRAPPER</refentrytitle>
9 <manvolnum>7</manvolnum>
10 <refmiscinfo>SQL - Language Statements</refmiscinfo>
14 <refname>DROP FOREIGN DATA WRAPPER</refname>
15 <refpurpose>remove a foreign-data wrapper</refpurpose>
18 <indexterm zone="sql-dropforeigndatawrapper">
19 <primary>DROP FOREIGN DATA WRAPPER</primary>
24 DROP FOREIGN DATA WRAPPER [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [ CASCADE | RESTRICT ]
29 <title>Description</title>
32 <command>DROP FOREIGN DATA WRAPPER</command> removes an existing
33 foreign-data wrapper. To execute this command, the current user
34 must be the owner of the foreign-data wrapper.
39 <title>Parameters</title>
43 <term><literal>IF EXISTS</literal></term>
46 Do not throw an error if the foreign-data wrapper does not
47 exist. A notice is issued in this case.
53 <term><replaceable class="parameter">name</replaceable></term>
56 The name of an existing foreign-data wrapper.
62 <term><literal>CASCADE</literal></term>
65 Automatically drop objects that depend on the foreign-data
66 wrapper (such as servers).
72 <term><literal>RESTRICT</literal></term>
75 Refuse to drop the foreign-data wrappers if any objects depend
76 on it. This is the default.
84 <title>Examples</title>
87 Drop the foreign-data wrapper <literal>dbi</>:
89 DROP FOREIGN DATA WRAPPER dbi;
90 </programlisting></para>
94 <title>Compatibility</title>
97 <command>DROP FOREIGN DATA WRAPPER</command> conforms to ISO/IEC
98 9075-9 (SQL/MED). The <literal>IF EXISTS</> clause is
99 a <productname>PostgreSQL</> extension.
104 <title>See Also</title>
106 <simplelist type="inline">
107 <member><xref linkend="sql-createforeigndatawrapper"></member>
108 <member><xref linkend="sql-alterforeigndatawrapper"></member>