blob: afb1b6a874bf954d161a4a414159dead3419188d (
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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/drop_rule.sgml,v 1.16 2002/07/12 18:43:13 tgl Exp $
PostgreSQL documentation
-->
<refentry id="SQL-DROPRULE">
<refmeta>
<refentrytitle id="SQL-DROPRULE-TITLE">DROP RULE</refentrytitle>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>
DROP RULE
</refname>
<refpurpose>
remove a rewrite rule
</refpurpose>
</refnamediv>
<refsynopsisdiv>
<refsynopsisdivinfo>
<date>1998-09-22</date>
</refsynopsisdivinfo>
<synopsis>
DROP RULE <replaceable class="PARAMETER">name</replaceable> ON <replaceable class="PARAMETER">relation</replaceable> [ CASCADE | RESTRICT ]
</synopsis>
<refsect2 id="R2-SQL-DROPRULE-1">
<refsect2info>
<date>1998-09-22</date>
</refsect2info>
<title>
Inputs
</title>
<para>
<variablelist>
<varlistentry>
<term><replaceable class="parameter">name</replaceable></term>
<listitem>
<para>
The name of an existing rule to drop.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">relation</replaceable></term>
<listitem>
<para>
The name (optionally schema-qualified) of the relation the rule
applies to.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>CASCADE</term>
<listitem>
<para>
Automatically drop objects that depend on the rule.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>RESTRICT</term>
<listitem>
<para>
Refuse to drop the rule if there are any dependent objects.
This is the default.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect2>
<refsect2 id="R2-SQL-DROPRULE-2">
<refsect2info>
<date>1998-09-22</date>
</refsect2info>
<title>
Outputs
</title>
<para>
<variablelist>
<varlistentry>
<term><computeroutput>
DROP RULE
</computeroutput></term>
<listitem>
<para>
Message returned if successful.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><computeroutput>
ERROR: Rule "<replaceable class="parameter">name</replaceable>" not found
</computeroutput></term>
<listitem>
<para>
This message occurs if the specified rule does not exist.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect2>
</refsynopsisdiv>
<refsect1 id="R1-SQL-DROPRULE-1">
<refsect1info>
<date>1998-09-22</date>
</refsect1info>
<title>
Description
</title>
<para>
<command>DROP RULE</command> drops a rule from the specified
<productname>PostgreSQL</productname> rule
system. <productname>PostgreSQL</productname>
will immediately cease enforcing it and
will purge its definition from the system catalogs.
</para>
<refsect2 id="R2-SQL-DROPRULE-3">
<refsect2info>
<date>1998-09-22</date>
</refsect2info>
<title>
Notes
</title>
<para>
The <command>DROP RULE</command> statement is a
<productname>PostgreSQL</productname>
language extension.
</para>
<para>
Refer to <command>CREATE RULE</command> for
information on how to create rules.
</para>
</refsect2>
</refsect1>
<refsect1 id="R1-SQL-DROPRULE-2">
<title>
Usage
</title>
<para>
To drop the rewrite rule <literal>newrule</literal>:
<programlisting>
DROP RULE newrule ON mytable;
</programlisting>
</para>
</refsect1>
<refsect1 id="R1-SQL-DROPRULE-3">
<title>
Compatibility
</title>
<refsect2 id="R2-SQL-DROPRULE-5">
<refsect2info>
<date>1998-09-22</date>
</refsect2info>
<title>
SQL92
</title>
<para>
There is no <command>DROP RULE</command> in SQL92.
</para>
</refsect2>
</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:
-->
|
