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Diffstat (limited to 'doc/src/sgml/ref/drop_domain.sgml')
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diff --git a/doc/src/sgml/ref/drop_domain.sgml b/doc/src/sgml/ref/drop_domain.sgml new file mode 100644 index 0000000..b18faf3 --- /dev/null +++ b/doc/src/sgml/ref/drop_domain.sgml @@ -0,0 +1,114 @@ +<!-- +doc/src/sgml/ref/drop_domain.sgml +PostgreSQL documentation +--> + +<refentry id="sql-dropdomain"> + <indexterm zone="sql-dropdomain"> + <primary>DROP DOMAIN</primary> + </indexterm> + + <refmeta> + <refentrytitle>DROP DOMAIN</refentrytitle> + <manvolnum>7</manvolnum> + <refmiscinfo>SQL - Language Statements</refmiscinfo> + </refmeta> + + <refnamediv> + <refname>DROP DOMAIN</refname> + <refpurpose>remove a domain</refpurpose> + </refnamediv> + + <refsynopsisdiv> +<synopsis> +DROP DOMAIN [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [, ...] [ CASCADE | RESTRICT ] +</synopsis> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para> + <command>DROP DOMAIN</command> removes a domain. Only the owner of + a domain can remove it. + </para> + </refsect1> + + <refsect1> + <title>Parameters</title> + + <variablelist> + <varlistentry> + <term><literal>IF EXISTS</literal></term> + <listitem> + <para> + Do not throw an error if the domain 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 (optionally schema-qualified) of an existing domain. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>CASCADE</literal></term> + <listitem> + <para> + Automatically drop objects that depend on the domain (such as + table columns), + and in turn all objects that depend on those objects + (see <xref linkend="ddl-depend"/>). + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>RESTRICT</literal></term> + <listitem> + <para> + Refuse to drop the domain if any objects depend on it. This is + the default. + </para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1 id="sql-dropdomain-examples"> + <title>Examples</title> + + <para> + To remove the domain <type>box</type>: + +<programlisting> +DROP DOMAIN box; +</programlisting></para> + </refsect1> + + <refsect1 id="sql-dropdomain-compatibility"> + <title>Compatibility</title> + + <para> + This command conforms to the SQL standard, except for the + <literal>IF EXISTS</literal> option, which is a <productname>PostgreSQL</productname> + extension. + </para> + </refsect1> + + <refsect1 id="sql-dropdomain-see-also"> + <title>See Also</title> + + <simplelist type="inline"> + <member><xref linkend="sql-createdomain"/></member> + <member><xref linkend="sql-alterdomain"/></member> + </simplelist> + </refsect1> + +</refentry> |