66 lines
4.0 KiB
HTML
66 lines
4.0 KiB
HTML
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<meta name="DC.Title" content="LIFO (Last-In First-Out) keyword for physical and logical files" />
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<meta name="abstract" content="Use this file-level keyword to specify that records with duplicate key values from the same physical file member are retrieved in a last-in first-out (LIFO) order." />
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<meta name="description" content="Use this file-level keyword to specify that records with duplicate key values from the same physical file member are retrieved in a last-in first-out (LIFO) order." />
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<meta name="DC.subject" content="LIFO (Last-In First-Out) keyword, Last-In First-Out (LIFO) keyword" />
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<title>Physical and Logical Files, LIFO</title>
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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">LIFO (Last-In First-Out) keyword for physical and logical files</h1>
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<div><p>Use this file-level keyword to specify that records with duplicate
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key values from the same physical file member are retrieved in a last-in first-out
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(LIFO) order.</p>
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<div class="section"><p>This keyword has no parameters.</p>
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<p>LIFO is not allowed with
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an FCFO, FIFO, UNIQUE, or REFACCPTH keyword.</p>
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<p>If you do not specify first-changed
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first-out (FCFO), first-in first-out (FIFO), LIFO, or UNIQUE, records with
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duplicate key values are retrieved in FIFO, LIFO, or FCFO order,
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but the order in which they are retrieved is not guaranteed.</p>
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<p>At least
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one key field must be specified in a file containing the LIFO keyword. The
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LIFO keyword is not valid when you specify FILETYPE(*SRC) on the Create Physical
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File (CRTPF) or Create Logical File (CRTLF) command.</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 LIFO keyword for a physical file.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00010A LIFO
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00020A R CUSREC TEXT('CUSTOMER RECORD')
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00030A CUSNAMEF 10A
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00040A CUSNAMEM 1A
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00050A CUSNAMEL 10A
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00060A K CUSNAMEL
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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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