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<?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_make_string">
<refmeta>
<refentrytitle>make_string</refentrytitle>
<refmiscinfo>string</refmiscinfo>
<refmiscinfo>type</refmiscinfo>
</refmeta>
<refnamediv>
<refname>make_string</refname>
<refpurpose>make a string</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis id="fsyn_make_string">
<funcprototype id="fproto_make_string">
<funcdef><function>make_string</function></funcdef>
<paramdef>in <parameter>count</parameter> integer</paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="desc"><title>Description</title>
<para>make_string returns a new string of length count, filled with
binary zeros.</para>
<para>If count is zero, an empty string '' is returned.</para>
</refsect1>
<refsect1 id="params"><title>Parameters</title>
<refsect2><title>count</title>
<para>Length of the string to be generated.</para>
</refsect2>
</refsect1>
<refsect1 id="ret"><title>Return Values</title>
<para>A string with defined length is returned.</para>
</refsect1>
<refsect1 id="examples"><title>Examples</title>
<example id="ex_make_string">
<title>Using <function>make_string</function> and
<function>aref</function></title>
<para>Make a string and fill it with character sequence
containing the alphabet upper case characters from A to Z.</para>
<screen>
SQL> create procedure
alphabet_string ()
{
declare _inx integer;
declare _str varchar;
_str := make_string (26);
while (_inx < 26)
{
aset (_str, _inx, _inx + 65);
_inx := _inx + 1;
}
return (_str);
}
;
Done. -- 6 msec.
SQL> select alphabet_string ();
callret
VARCHAR NOT NULL
_______________________________________________________________________________
ABCDEFGHIJKLMNOPQRSTUVWXYZ
1 Rows. -- 4 msec.
</screen>
</example>
</refsect1>
<refsect1 id="seealso"><title>See Also</title>
<para><link linkend="fn_vector"><function>vector()</function></link>,
<link linkend="fn_aref"><function>aref</function></link>,
<link linkend="fn_aset"><function>aset</function></link></para>
</refsect1>
</refentry>
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