119 lines
6.9 KiB
HTML
119 lines
6.9 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Graphic host variables in COBOL applications that use SQL" />
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<meta name="abstract" content="Graphic host variables are only supported in ILE COBOL for iSeries." />
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<meta name="description" content="Graphic host variables are only supported in ILE COBOL for iSeries." />
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<meta name="DC.subject" content="graphic host variable, COBOL, host variable, graphic, COBOL program, host variable, declaring" />
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<meta name="keywords" content="graphic host variable, COBOL, host variable, graphic, COBOL program, host variable, declaring" />
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<meta name="DC.Relation" scheme="URI" content="rzajpdeclaringhostcobol.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rzajpcobgraphic" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Graphic host variables in COBOL applications that use SQL</title>
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</head>
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<body id="rzajpcobgraphic"><a name="rzajpcobgraphic"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Graphic host variables in COBOL applications that use SQL</h1>
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<div><p>Graphic host variables are only supported in ILE COBOL for <span class="keyword">iSeries™</span>.</p>
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<div class="section"><div class="p">There are two valid forms of graphic host variables: <ul><li>Fixed-Length Graphic Strings</li>
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<li>Varying-Length Graphic Strings</li>
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</ul>
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</div>
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</div>
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<div class="section"><h4 class="sectiontitle">Fixed-length graphic strings</h4><pre><span><img src="./c.gif" border="0" alt="Read syntax diagram" longdesc="rzajpcobgraphicsyn1.htm" /></span><a href="#d0e50"><img src="./c.gif" border="0" alt="Skip visual syntax diagram" /></a>
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>>-+-01------+--<i>variable-name</i>----------------------------------->
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+-77------+
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'-<i>level-1</i>-'
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.-IS-.
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>--+-PICTURE-+--+----+--<i>picture-string</i>-------------------------->
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'-PIC-----'
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.-IS-.
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.-USAGE--+----+-.
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>--+---------------+--DISPLAY-1--------------------------------->
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>--+--------------------------------+-- . ---------------------><
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| .-IS-. |
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'-VALUE--+----+--<i>string-constant</i>-'
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</pre><a name="d0e50"></a></div>
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<div class="section"> <div class="note"><span class="notetitle">Notes:</span> <ol><li>The <em>picture string</em> associated with these forms must be G(m) (or
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GGG...G, with m instance of G) or N(m) (or NNN...N, with m instance of N)
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with 1 ≤ m ≤ 16 383.</li>
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<li>level-1 indicates a COBOL level between 2 and 48.</li>
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</ol>
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</div>
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</div>
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<div class="section"><h4 class="sectiontitle">Varying-length graphic strings</h4><pre><span><img src="./c.gif" border="0" alt="Read syntax diagram" longdesc="rzajpcobgraphicsyn2.htm" /></span><a href="#d0e105"><img src="./c.gif" border="0" alt="Skip visual syntax diagram" /></a>
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>>-+-01------+--<i>variable-name</i>-- . ------------------------------>
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'-<i>level-1</i>-'
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.-IS-.
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>--49--<i>var-1</i>--+-PICTURE-+--+----+--<i>picture-string-1</i>------------->
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'-PIC-----'
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.-IS-.
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.-USAGE--+----+-.
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>--+---------------+--+-BINARY----------+----------------------->
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+-COMPUTATIONAL-4-+
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'-COMP-4----------'
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>--+---------------------------------+-- . --------------------->
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| .-IS-. |
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'-VALUE--+----+--<i>numeric-constant</i>-'
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.-IS-.
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>--49--<i>var-2</i>--+-PICTURE-+--+----+--<i>picture-string-2</i>------------->
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'-PIC-----'
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.-IS-.
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.-USAGE--+----+-.
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>--+---------------+--DISPLAY-1--------------------------------->
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>--+--------------------------------+-- . ---------------------><
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| .-IS-. |
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'-VALUE--+----+--<i>string-constant</i>-'
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</pre><a name="d0e105"></a></div>
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<div class="section"> <div class="note"><span class="notetitle">Notes:</span> <ol><li>The <em>picture-string-1</em> associated with these forms must be S9(m)
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or S9...9 with m instances of 9. m must be from 1 to 4. <p>Note that the database
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manager will use the full size of the S9(m) variable even though COBOL on
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the <span class="keyword">iSeries</span> only recognizes
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values up to the specified precision. This can cause data truncation errors
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when COBOL statements are being run and may effectively limit the maximum
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length of variable-length graphic strings to the specified precision.</p>
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</li>
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<li id="rzajpcobgraphic__rdhbli2"><a name="rzajpcobgraphic__rdhbli2"><!-- --></a>The <em>picture-string-2</em> associated with these forms must
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be G(m), GG...G with m instances of G, N(m), or NN...N with m instances of
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N, and with 1 ≤ m ≤ 16 370.</li>
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<li><em>var-1</em> and <em>var-2</em> cannot be used as host variables.</li>
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<li>level-1 indicates a COBOL level between 2 and 48.</li>
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</ol>
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</div>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajpdeclaringhostcobol.htm" title="The COBOL precompiler only recognizes a subset of valid COBOL declarations as valid host variable declarations.">Declare host variables in COBOL applications that use SQL</a></div>
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</div>
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</div>
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</body>
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</html>
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