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In the particular case of GRANTED BY, this is specified in the SQL standard. Since in PostgreSQL, CURRENT_ROLE is equivalent to CURRENT_USER, and CURRENT_USER is already supported here, adding CURRENT_ROLE is trivial. The other cases are PostgreSQL extensions, but for the same reason it also makes sense there. Reviewed-by: Vik Fearing <vik@postgresfriends.org> Reviewed-by: Asif Rehman <asifr.rehman@gmail.com> Reviewed-by: Alvaro Herrera <alvherre@2ndquadrant.com> Discussion: https://www.postgresql.org/message-id/flat/f2feac44-b4c5-f38f-3699-2851d6a76dc9%402ndquadrant.com
125 lines
3.3 KiB
Plaintext
125 lines
3.3 KiB
Plaintext
<!--
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doc/src/sgml/ref/alter_opclass.sgml
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PostgreSQL documentation
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-->
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<refentry id="sql-alteropclass">
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<indexterm zone="sql-alteropclass">
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<primary>ALTER OPERATOR CLASS</primary>
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</indexterm>
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<refmeta>
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<refentrytitle>ALTER OPERATOR CLASS</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>ALTER OPERATOR CLASS</refname>
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<refpurpose>change the definition of an operator class</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<synopsis>
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ALTER OPERATOR CLASS <replaceable>name</replaceable> USING <replaceable class="parameter">index_method</replaceable>
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RENAME TO <replaceable>new_name</replaceable>
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ALTER OPERATOR CLASS <replaceable>name</replaceable> USING <replaceable class="parameter">index_method</replaceable>
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OWNER TO { <replaceable>new_owner</replaceable> | CURRENT_ROLE | CURRENT_USER | SESSION_USER }
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ALTER OPERATOR CLASS <replaceable>name</replaceable> USING <replaceable class="parameter">index_method</replaceable>
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SET SCHEMA <replaceable>new_schema</replaceable>
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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>ALTER OPERATOR CLASS</command> changes the definition of
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an operator class.
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</para>
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<para>
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You must own the operator class to use <command>ALTER OPERATOR CLASS</command>.
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To alter the owner, you must also be a direct or indirect member of the new
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owning role, and that role must have <literal>CREATE</literal> privilege on
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the operator class's schema. (These restrictions enforce that altering the
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owner doesn't do anything you couldn't do by dropping and recreating the
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operator class. However, a superuser can alter ownership of any operator
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class anyway.)
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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><replaceable class="parameter">name</replaceable></term>
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<listitem>
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<para>
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The name (optionally schema-qualified) of an existing operator
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class.
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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">index_method</replaceable></term>
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<listitem>
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<para>
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The name of the index method this operator class is for.
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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">new_name</replaceable></term>
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<listitem>
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<para>
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The new name of the operator class.
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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">new_owner</replaceable></term>
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<listitem>
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<para>
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The new owner of the operator class.
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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">new_schema</replaceable></term>
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<listitem>
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<para>
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The new schema for the operator class.
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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>Compatibility</title>
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<para>
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There is no <command>ALTER OPERATOR CLASS</command> statement in
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the SQL standard.
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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-createopclass"/></member>
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<member><xref linkend="sql-dropopclass"/></member>
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<member><xref linkend="sql-alteropfamily"/></member>
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</simplelist>
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</refsect1>
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</refentry>
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