79 lines
4.4 KiB
HTML
79 lines
4.4 KiB
HTML
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<meta name="DC.Title" content="LOB file reference variables in ILE RPG applications that use SQL" />
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<meta name="abstract" content="The following are examples of LOB file reference variables in ILE RPG." />
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<title>LOB file reference variables in ILE RPG applications that use SQL</title>
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<body id="rzajpirpglobfileref"><a name="rzajpirpglobfileref"><!-- --></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 file reference variables in ILE RPG applications that use SQL</h1>
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<div><p>The following are examples of LOB file reference variables in ILE
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RPG.</p>
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<div class="section"><h4 class="sectiontitle"><em>CLOB file reference example</em></h4><p>The following
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declaration:</p>
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<pre>D MY_FILE S SQLTYPE(CLOB_FILE)</pre>
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<p>results
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in the generation of the following structure:</p>
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<pre>D MY_FILE DS
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D MY_FILE_NL 10U
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D MY_FILE_DL 10U
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D MY_FILE_FO 10U
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D MY_FILE_NAME 255A</pre>
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</div>
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<div class="section"><p>BLOB and DBCLOB locators have similar syntax.</p>
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</div>
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<div class="section"> <div class="note"><span class="notetitle">Notes:</span> <ol><li>LOB file reference variables are allowed to be declared in host structures.</li>
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<li>SQLTYPE, BLOB_FILE, CLOB_FILE, DBCLOB_FILE 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 file reference is declared as a standalone host variable,
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position 24 must contain the character 'S' and position 25 must be blank.</li>
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<li>The standalone field indicator 'S' in position 24 should be omitted when
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a LOB file reference variable is declared in a host structure.</li>
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<li>LOB file reference 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 class="section"><p>The pre-compiler will generate declarations for the following
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file option constants. You can use these constants to set the xxx_FO variable
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when you use file reference host variables. </p>
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<ul><li>SQFRD (2)</li>
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<li>SQFCRT (8)</li>
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<li>SQFOVR (16)</li>
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<li>SQFAPP (32)</li>
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</ul>
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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 class="relinfo"><strong>Related information</strong><br />
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<div><a href="../sqlp/rbafylobrefvar.htm">LOB file reference variables</a></div>
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</div>
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