84 lines
5.0 KiB
HTML
84 lines
5.0 KiB
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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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="REFACCPTH (Reference Access Path Definition) keyword—logical files only" />
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<meta name="abstract" content="Use this file-level keyword to specify that the access path information for this logical file is to be copied from another physical or logical file." />
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<meta name="description" content="Use this file-level keyword to specify that the access path information for this logical file is to be copied from another physical or logical file." />
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<meta name="DC.subject" content="REFACCPTH (Reference Access Path Definition) keyword, Reference Access Path Definition (REFACCPTH) keyword" />
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<meta name="keywords" content="REFACCPTH (Reference Access Path Definition) keyword, Reference Access Path Definition (REFACCPTH) keyword" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2001, 2006" />
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<title>Physical and Logical Files, REFACCPTH</title>
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</head>
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<body id="tdrefac"><a name="tdrefac"><!-- --></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"> REFACCPTH (Reference Access Path Definition) keyword—logical files
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only</h1>
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<div><p>Use this file-level keyword to specify that the access path information
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for this logical file is to be copied from another physical or logical file.</p>
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<div class="section"><p>The access path information includes key information, select and
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omit information, alternative collating sequence information, dynamic select
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information, and key sequencing information (specified in the FCFO, FIFO,
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LIFO, and UNIQUE keywords).</p>
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<div class="p">The format of the keyword is: <pre>REFACCPTH([library-name/]database-file-name)</pre>
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</div>
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<p>The
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name of the file defining the access path is the parameter value for the keyword.</p>
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<p>The
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file containing the REFACCPTH keyword cannot contain key, select, or omit
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fields.</p>
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<p>The record format(s) in the file you are defining can contain
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fewer or more fields than the record format(s) in the physical file on which
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this logical file is based.</p>
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<p>If the file specified on the REFACCPTH keyword
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is a simple or multiple format logical file, it and the file containing the
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REFACCPTH keyword must have the same physical files specified in the same
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order on the PFILE keyword.</p>
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<div class="p">The REFACCPTH keyword
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is not allowed in join logical files. You can specify a join logical file
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as the parameter value on the REFACCPTH keyword only if all the following
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situations are true: <ul><li>The file you are creating is a simple logical file.</li>
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<li>The physical file specified on the PFILE keyword is the first file specified
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on the JFILE keyword in the join logical file.</li>
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<li>The join logical file has key fields specified and does not have select
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and omit fields specified.</li>
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</ul>
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</div>
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<p>You cannot specify a distributed data management
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(DDM) file on this keyword.</p>
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<p>You cannot specify the REFACCPTH keyword
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with the DYNSLT, ALTSEQ, FCFO, FIFO, LIFO, or UNIQUE keywords.</p>
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</div>
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<div class="example"><h4 class="sectiontitle">Example</h4><p>The following example shows how to specify
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the REFACCPTH keyword.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00030A* ORDER HEADER LOGICAL FILE (ORDHDR11)
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00040A REFACCPTH(DSTLIB/ORDHDRL)
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00050A R ORDHDR PFILE(ORDHDRP)
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A</pre>
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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="rzakbmstlfkeyw.htm" title="This topic lists valid keyword entries for describing physical and logical files. They are typed in positions 45 through 80 (functions).">Keyword entries for physical and logical files (positions 45 through 80)</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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