120 lines
2.8 KiB
Plaintext
120 lines
2.8 KiB
Plaintext
<!--
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doc/src/sgml/ref/drop_policy.sgml
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PostgreSQL documentation
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-->
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<refentry id="sql-droppolicy">
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<indexterm zone="sql-droppolicy">
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<primary>DROP POLICY</primary>
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</indexterm>
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<refmeta>
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<refentrytitle>DROP POLICY</refentrytitle>
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<manvolnum>7</manvolnum>
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<refmiscinfo>SQL - Language Statements</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>DROP POLICY</refname>
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<refpurpose>remove a row-level security policy from a table</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<synopsis>
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DROP POLICY [ IF EXISTS ] <replaceable class="parameter">name</replaceable> ON <replaceable class="parameter">table_name</replaceable> [ CASCADE | RESTRICT ]
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</synopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>
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<command>DROP POLICY</command> removes the specified policy from the table.
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Note that if the last policy is removed for a table and the table still has
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row-level security enabled via <command>ALTER TABLE</command>, then the
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default-deny policy will be used. <literal>ALTER TABLE ... DISABLE ROW
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LEVEL SECURITY</literal> can be used to disable row-level security for a
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table, whether policies for the table exist or not.
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</para>
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</refsect1>
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<refsect1>
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<title>Parameters</title>
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<variablelist>
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<varlistentry>
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<term><literal>IF EXISTS</literal></term>
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<listitem>
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<para>
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Do not throw an error if the policy does not exist. A notice is issued
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in this case.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable class="parameter">name</replaceable></term>
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<listitem>
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<para>
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The name of the policy to drop.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable class="parameter">table_name</replaceable></term>
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<listitem>
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<para>
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The name (optionally schema-qualified) of the table that
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the policy is on.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><literal>CASCADE</literal></term>
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<term><literal>RESTRICT</literal></term>
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<listitem>
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<para>
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These key words do not have any effect, since there are no
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dependencies on policies.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<para>
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To drop the policy called <literal>p1</literal> on the table named
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<literal>my_table</literal>:
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<programlisting>
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DROP POLICY p1 ON my_table;
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</programlisting></para>
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</refsect1>
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<refsect1>
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<title>Compatibility</title>
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<para>
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<command>DROP POLICY</command> is a <productname>PostgreSQL</productname> extension.
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</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<simplelist type="inline">
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<member><xref linkend="sql-createpolicy"/></member>
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<member><xref linkend="sql-alterpolicy"/></member>
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</simplelist>
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</refsect1>
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</refentry>
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