blob: 619f8887e733defdd4a924fc5f097cc4f8f740ce (
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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
<REFENTRY ID="SQL-DROPOPERATOR">
<REFMETA>
<REFENTRYTITLE>
DROP OPERATOR
</REFENTRYTITLE>
<REFMISCINFO>SQL - Language Statements</REFMISCINFO>
</REFMETA>
<REFNAMEDIV>
<REFNAME>
DROP OPERATOR
</REFNAME>
<REFPURPOSE>
Removes an operator from the database
</REFPURPOSE>
</refnamediv>
<REFSYNOPSISDIV>
<REFSYNOPSISDIVINFO>
<DATE>1998-09-22</DATE>
</REFSYNOPSISDIVINFO>
<SYNOPSIS>
DROP OPERATOR <REPLACEABLE CLASS="PARAMETER">id</REPLACEABLE> ( <REPLACEABLE CLASS="PARAMETER">type</REPLACEABLE> | NONE [,...] )
</SYNOPSIS>
<REFSECT2 ID="R2-SQL-DROPOPERATOR-1">
<REFSECT2INFO>
<DATE>1998-09-22</DATE>
</REFSECT2INFO>
<TITLE>
Inputs
</TITLE>
<PARA>
</PARA>
<VARIABLELIST>
<VARLISTENTRY>
<TERM>
<replaceable class="parameter">id</replaceable>
</TERM>
<LISTITEM>
<PARA>
The identifier of an existing operator.
</PARA>
</LISTITEM>
</VARLISTENTRY>
<VARLISTENTRY>
<TERM>
<replaceable class="parameter">type</replaceable>
</TERM>
<LISTITEM>
<PARA>
The type of function parameters.
</PARA>
</LISTITEM>
</VARLISTENTRY>
</variablelist>
</REFSECT2>
<REFSECT2 ID="R2-SQL-DROPOPERATOR-2">
<REFSECT2INFO>
<DATE>1998-09-22</DATE>
</REFSECT2INFO>
<TITLE>
Outputs
</TITLE>
<PARA>
<VARIABLELIST>
<VARLISTENTRY>
<TERM>
<ReturnValue>DROP</ReturnValue>
</TERM>
<LISTITEM>
<PARA>
The message returned if the command is successful.
</PARA>
</LISTITEM>
</VARLISTENTRY>
<VARLISTENTRY>
<TERM>
<ReturnValue>ERROR: RemoveOperator: binary operator '<REPLACEABLE CLASS="PARAMETER">id</REPLACEABLE>' taking '<REPLACEABLE CLASS="PARAMETER">type1</REPLACEABLE>' and '<REPLACEABLE CLASS="PARAMETER">type2</REPLACEABLE>' does not exist</ReturnValue>
</TERM>
<LISTITEM>
<PARA>
This message occurs if the specified binary operator does not exist.
</PARA>
</LISTITEM>
</VARLISTENTRY>
<VARLISTENTRY>
<TERM>
<ReturnValue>ERROR: RemoveOperator: left unary operator '<REPLACEABLE CLASS="PARAMETER">id</REPLACEABLE>' taking '<REPLACEABLE CLASS="PARAMETER">type</REPLACEABLE>' does not exist</ReturnValue>
</TERM>
<LISTITEM>
<PARA>
This message occurs if the specified left unary operator
specified does not exist.
</PARA>
</LISTITEM>
</VARLISTENTRY>
<VARLISTENTRY>
<TERM>
<ReturnValue>ERROR: RemoveOperator: right unary operator '<REPLACEABLE CLASS="PARAMETER">id</REPLACEABLE>' taking '<REPLACEABLE CLASS="PARAMETER">type</REPLACEABLE>' does not exist</ReturnValue>
</TERM>
<LISTITEM>
<PARA>
This message occurs if the specified right unary operator
specified does not exist.
</para>
</listitem>
</varlistentry>
</VARIABLELIST>
</para>
</REFSECT2>
</REFSYNOPSISDIV>
<REFSECT1 ID="R1-SQL-DROPOPERATOR-1">
<REFSECT1INFO>
<DATE>1998-09-22</DATE>
</REFSECT1INFO>
<TITLE>
Description
</TITLE>
<PARA>
The DROP OPERATOR statement drops an existing operator from the
database.
To execute this command you must be the owner of the operator.
</PARA>
<PARA>
The left or right type of a left or right unary
operator, respectively, may be specified as NONE.
</PARA>
<REFSECT2 ID="R2-SQL-DROPOPERATOR-3">
<REFSECT2INFO>
<DATE>1998-09-22</DATE>
</REFSECT2INFO>
<TITLE>
Notes
</TITLE>
<PARA>
The <command>DROP OPERATOR</command> statement is a
<productname>Postgres</productname>
language extension.
</PARA>
<PARA>
Refer to <command>CREATE OPERATOR</command> for
information on how to create operators.
</PARA>
<PARA>
It is the user's responsibility to remove any access methods and
operator classes that rely on the deleted operator.
</PARA>
</REFSECT2>
</refsect1>
<REFSECT1 ID="R1-SQL-DROPOPERATOR-2">
<TITLE>
Usage
</TITLE>
<PARA>
Remove power operator <literal>a^n</literal> for <literal>int4</literal>:
</PARA>
<ProgramListing>
DROP OPERATOR ^ (int4, int4);
</ProgramListing>
<PARA>
Remove left unary operator <literal>!a</literal> for booleans:
</PARA>
<ProgramListing>
DROP OPERATOR ! (none, bool);
</ProgramListing>
<PARA>
Remove right unary factorial operator <literal>a!</literal> for
<literal>int4</literal>:
</PARA>
<ProgramListing>
DROP OPERATOR ! (int4, none);
</ProgramListing>
</REFSECT1>
<REFSECT1 ID="R1-SQL-DROPOPERATOR-3">
<TITLE>
Compatibility
</TITLE>
<PARA>
</PARA>
<REFSECT2 ID="R2-SQL-DROPOPERATOR-4">
<REFSECT2INFO>
<DATE>1998-09-22</DATE>
</REFSECT2INFO>
<TITLE>
SQL92
</TITLE>
<PARA>
There is no <command>DROP OPERATOR</command> in <acronym>SQL92</acronym>.
</PARA>
</refsect2>
</refsect1>
</REFENTRY>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
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:
-->
|
