blob: bd9aa24f0f8e30db92c4db39aa43dbd789066952 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_operator.sgml,v 1.2 2005/10/13 22:44:51 tgl Exp $
PostgreSQL documentation
-->
<refentry id="SQL-ALTEROPERATOR">
<refmeta>
<refentrytitle id="SQL-ALTEROPERATOR-TITLE">ALTER OPERATOR</refentrytitle>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>ALTER OPERATOR</refname>
<refpurpose>change the definition of an operator</refpurpose>
</refnamediv>
<indexterm zone="sql-alteroperator">
<primary>ALTER OPERATOR</primary>
</indexterm>
<refsynopsisdiv>
<synopsis>
ALTER OPERATOR <replaceable>name</replaceable> ( { <replaceable>lefttype</replaceable> | NONE } , { <replaceable>righttype</replaceable> | NONE } ) OWNER TO <replaceable>newowner</replaceable>
</synopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
<command>ALTER OPERATOR</command> changes the definition of
an operator. The only currently available functionality is to change the
owner of the operator.
</para>
<para>
You must own the operator to use <command>ALTER OPERATOR</>.
To alter the owner, you must also be a direct or indirect member of the new
owning role, and that role must have <literal>CREATE</literal> privilege on
the operator's schema. (These restrictions enforce that altering the owner
doesn't do anything you couldn't do by dropping and recreating the operator.
However, a superuser can alter ownership of any operator anyway.)
</para>
</refsect1>
<refsect1>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><replaceable class="parameter">name</replaceable></term>
<listitem>
<para>
The name (optionally schema-qualified) of an existing operator.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">lefttype</replaceable></term>
<listitem>
<para>
The data type of the operator's left operand; write
<literal>NONE</literal> if the operator has no left operand.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">righttype</replaceable></term>
<listitem>
<para>
The data type of the operator's right operand; write
<literal>NONE</literal> if the operator has no right operand.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">newowner</replaceable></term>
<listitem>
<para>
The new owner of the operator.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
Change the owner of a custom operator <literal>a @@ b</literal> for type <type>text</type>:
<programlisting>
ALTER OPERATOR @@ (text, text) OWNER TO joe;
</programlisting>
</para>
</refsect1>
<refsect1>
<title>Compatibility</title>
<para>
There is no <command>ALTER OPERATOR</command> statement in
the SQL standard.
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<simplelist type="inline">
<member><xref linkend="sql-createoperator" endterm="sql-createoperator-title"></member>
<member><xref linkend="sql-dropoperator" endterm="sql-dropoperator-title"></member>
</simplelist>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:nil
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
sgml-parent-document:nil
sgml-default-dtd-file:"../reference.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:"/usr/lib/sgml/catalog"
sgml-local-ecat-files:nil
End:
-->
|
