60 lines
3.3 KiB
HTML
60 lines
3.3 KiB
HTML
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<meta name="DC.Title" content="Declare host variables in RPG/400 applications that use SQL" />
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<meta name="abstract" content="The SQL RPG/400 precompiler only recognizes a subset of RPG/400 declarations as valid host variable declarations." />
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<meta name="description" content="The SQL RPG/400 precompiler only recognizes a subset of RPG/400 declarations as valid host variable declarations." />
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<meta name="DC.subject" content="host variable, RPG/400, declaring, RPG/400 program" />
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<title>Declare host variables in RPG/400 applications that use SQL</title>
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<body id="rzajpdeclaringrpg"><a name="rzajpdeclaringrpg"><!-- --></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">Declare host variables in RPG/400 applications that use SQL</h1>
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<div><p>The SQL RPG/400<sup>®</sup> precompiler only recognizes a subset of RPG/400 declarations
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as valid host variable declarations.</p>
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<div class="section"><p>Most variables defined in RPG/400 can be used in SQL statements.
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A partial listing of variables that are not supported includes the following:
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</p>
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<ul><li>Indicator field names (*INxx)</li>
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<li>Tables</li>
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<li>UDATE</li>
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<li>UDAY</li>
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<li>UMONTH</li>
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<li>UYEAR</li>
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<li>Look-ahead fields</li>
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<li>Named constants</li>
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</ul>
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</div>
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<div class="section"><p>Fields used as host variables are passed to SQL, using the CALL/PARM
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functions of RPG/400.
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If a field cannot be used in the result field of the PARM, it cannot be used
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as a host variable.</p>
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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="rzajphostvariablesrpg.htm" title="All host variables used in SQL statements must be explicitly declared. LOB, ROWID, and binary host variables are not supported in RPG/400.">Use host variables in RPG/400 applications that use SQL</a></div>
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