79 lines
4.7 KiB
HTML
79 lines
4.7 KiB
HTML
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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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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="LOB host variables in ILE RPG applications that use SQL" />
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<meta name="abstract" content="The following are examples of LOB host variables in ILE RPG." />
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<meta name="description" content="The following are examples of LOB host variables in ILE RPG." />
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<meta name="DC.subject" content="CLOB host variable, ILE RPG, host variable, CLOB, ILE RPG program, DBCLOB host variable, DBCLOB, BLOB host variable, host variable, BLOB" />
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<meta name="keywords" content="CLOB host variable, ILE RPG, host variable, CLOB, ILE RPG program, DBCLOB host variable, DBCLOB, BLOB host variable, host variable, BLOB" />
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<title>LOB host variables in ILE RPG applications that use SQL</title>
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</head>
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<body id="rzajpirpglobhost"><a name="rzajpirpglobhost"><!-- --></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">LOB host variables in ILE RPG applications that use SQL</h1>
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<div><p>The following are examples of LOB host variables in ILE RPG.</p>
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<div class="section"><h4 class="sectiontitle"><em>CLOB example</em></h4><p>The following declaration:</p>
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<pre>D MYCLOB S SQLTYPE(CLOB:1000)</pre>
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<p>results in the generation of the following structure:</p>
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<pre>D MYCLOB DS
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D MYCLOB_LEN 10U
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D MYCLOB_DATA 1000A </pre>
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</div>
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<div class="section"><h4 class="sectiontitle"><em>DBCLOB example</em></h4><p>The following declaration: </p>
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<pre>D MYDBCLOB S SQLTYPE(DBCLOB:400)</pre>
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<p>results in the generation of the following structure:</p>
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<pre>D MYDBCLOB DS
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D MYDBCLOB_LEN 10U
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D MYDBCLOB_DATA 400G </pre>
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</div>
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<div class="section"><h4 class="sectiontitle"><em>BLOB example</em></h4><p>The following declaration:</p>
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<pre>D MYBLOB S SQLTYPE(BLOB:500)</pre>
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<p>results in the generation of the following structure:</p>
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<pre>D MYBLOB DS
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D MYBLOB_LEN 10U
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D MYBLOB_DATA 500A </pre>
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</div>
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<div class="section"> <div class="note"><span class="notetitle">Notes:</span> <ol><li><img src="./delta.gif" alt="Start of change" />For BLOB and CLOB, 1 ≤ lob-length ≤ 65 531<img src="./deltaend.gif" alt="End of change" /></li>
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<li>For DBCLOB, 1≤ lob-length ≤ 16 383</li>
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<li>LOB host variables are allowed to be declared in host structures.</li>
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<li>LOB host variables are not allowed in host structure arrays. LOB locators
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should be used instead.</li>
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<li>LOB host variables declared in structure arrays cannot be used as standalone
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host variables.</li>
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<li>SQLTYPE, BLOB, CLOB, DBCLOB can be in mixed case.</li>
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<li>SQLTYPE must be between positions 44 to 80.</li>
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<li>When a LOB is declared as a stand-alone host variable, position 24 must
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contain the character 'S' and position 25 must be blank.</li>
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<li>The stand-alone field indicator S in position 24 should be omitted when
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a LOB is declared in a host structure.</li>
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<li>LOB host variables cannot be initialized.</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="rzajplobvar.htm" title="ILE RPG does not have variables that correspond to the SQL data types for LOBs (large objects).">Declare LOB host variables in ILE RPG 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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