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Add large object access control.

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A new system catalog pg_largeobject_metadata manages
ownership and access privileges of large objects.

KaiGai Kohei, reviewed by Jaime Casanova.
This commit is contained in:
Itagaki Takahiro
2009-12-11 03:34:57 +00:00
parent 64579962bb
commit f1325ce213
39 changed files with 1450 additions and 173 deletions
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doc/src/sgml/ref/alter_large_object.sgml Executable file
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<refentry id="SQL-ALTERLARGEOBJECT">
<refmeta>
<refentrytitle id="SQL-ALTERLARGEOBJECT-title">ALTER LARGE OBJECT</refentrytitle>
<manvolnum>7</manvolnum>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>ALTER LARGE OBJECT</refname>
<refpurpose>change the definition of a large object</refpurpose>
</refnamediv>
<indexterm zone="sql-alterlargeobject">
<primary>ALTER LARGE OBJECT</primary>
</indexterm>
<refsynopsisdiv>
<synopsis>
ALTER LARGE OBJECT <replaceable class="PARAMETER">large_object_oid</replaceable> OWNER TO <replaceable>new_owner</replaceable>
</synopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
<command>ALTER LARGE OBJECT</command> changes the definition of a
large object. The only functionality is to assign a new owner.
You must be superuser or owner of the large object to use
<command>ALTER LARGE OBJECT</command>.
</para>
</refsect1>
<refsect1>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><replaceable>large_object_oid</replaceable></term>
<listitem>
<para>
OID of the large object to be altered
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable>new_owner</replaceable></term>
<listitem>
<para>
The new owner of the large object
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Compatibility</title>
<para>
There is no <command>ALTER LARGE OBJECT</command> statement in the SQL
standard.
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<simplelist type="inline">
<member><xref linkend="largeObjects" endterm="largeObjects-title"></member>
</simplelist>
</refsect1>
</refentry>