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
|
<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
-
- This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
- project.
-
- Copyright (C) 1998-2018 OpenLink Software
-
- This project is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; only version 2 of the License, dated June 1991.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-->
<refentry id="fn_either">
<refmeta>
<refentrytitle>either</refentrytitle>
<refmiscinfo>number</refmiscinfo>
</refmeta>
<refnamediv>
<refname>either</refname>
<refpurpose>conditionally return one of specified parameters</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis id="fsyn_either">
<funcprototype id="fproto_either">
<funcdef> <function>either</function> </funcdef>
<paramdef>in <parameter>cond</parameter> any</paramdef>
<paramdef>in <parameter>arg1</parameter> any</paramdef>
<paramdef>in <parameter>arg2</parameter> any</paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="desc_either">
<title>Description</title>
<para>either returns a copy of arg1 if cond is something
else than integer 0 (zero). Otherwise, a copy of arg2 is returned.</para>
</refsect1>
<refsect1 id="params_either"><title>Parameters</title>
<refsect2><title>cond</title>
<para>Anything</para>
</refsect2>
<refsect2><title>arg1</title>
<para>Anything</para>
</refsect2>
<refsect2><title>arg2</title>
<para>Anything</para>
</refsect2>
</refsect1>
<refsect1 id="ret_either"><title>Return values</title>
<para>A copy of arg1 or arg2, which could be of any type.</para>
</refsect1>
<refsect1 id="errors_either"><title>Errors</title>
<table><title>Errors signalled by <function>either</function> and
<function>stringdate</function></title>
<tgroup cols="4">
<thead>
<row>
<entry>SQLState</entry>
<entry>Error Code</entry>
<entry>Error Text</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry><errorcode></errorcode></entry>
<entry><errorcode></errorcode></entry>
<entry><errorname></errorname></entry>
<entry></entry>
</row>
</tbody>
</tgroup>
</table>
</refsect1>
<refsect1 id="examples_either"><title>Examples</title>
<example id="ex_either_1"><title>Simple Example</title>
<screen>SQL> select either (mod (1, 2), 'odd', 'even');
callret
VARCHAR
_______________________________________________________________________________
odd
1 Rows. -- 33 msec.
SQL> select either (isnull (strstr ('Simurg', 'imu')), 'imu not found', 'imu found');
callret
VARCHAR
_______________________________________________________________________________
imu found
1 Rows. -- 4 msec.
</screen>
</example>
</refsect1>
<!--
<refsect1 id="seealso_either"><title>See Also</title>
<para>
<link linkend=""><function></function></link>
</para>
</refsect1>
-->
</refentry>
|
