101 lines
6.0 KiB
HTML
101 lines
6.0 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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<html lang="en-us" xml:lang="en-us">
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<meta name="DC.Title" content="REFSHIFT (Reference Shift) keyword for physical and logical files" />
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<meta name="abstract" content="Use this field-level keyword to specify a keyboard shift for a field when the field is referred to in a display file or data file utility (DFU) operation." />
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<meta name="description" content="Use this field-level keyword to specify a keyboard shift for a field when the field is referred to in a display file or data file utility (DFU) operation." />
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<meta name="DC.subject" content="REFSHIFT (Reference Shift) keyword, Reference Shift (REFSHIFT) keyword" />
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<meta name="keywords" content="REFSHIFT (Reference Shift) keyword, Reference Shift (REFSHIFT) keyword" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2001, 2006" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Physical and Logical Files, REFSHIFT</title>
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</head>
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<body id="tdrefsh"><a name="tdrefsh"><!-- --></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">REFSHIFT (Reference Shift) keyword for physical and logical files</h1>
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<div><p>Use this field-level keyword to specify a keyboard shift for a
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field when the field is referred to in a display file or data file utility
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(DFU) operation.</p>
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<div class="section"><div class="p">The format of the keyword is: <pre>REFSHIFT(keyboard-shift)</pre>
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</div>
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<p>When
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defining an input-capable field in a display file, refer to the field that
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you are defining by specifying the letter R in position 29 and
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the REF or REFFLD keyword. At display file creation, the operating system
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copies the REFSHIFT keyword and other field attributes from the field in the
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logical file into the field in the display file. You can override the editing
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specified in the display or printer file by specifying new editing keywords.
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Specifying the DLTEDT keyword deletes all editing for the field.</p>
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<p>The
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keyboard shift in the display file (position 35) becomes the parameter value
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specified on this keyword instead of the data type specified in the database
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file. When you refer to a field with the REFSHIFT keyword from a physical
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or logical file, the REFSHIFT keyword is copied into the new field. However,
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if the field attributes (such as data type) specified for the new field are
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not compatible with the keyboard shift specified on the REFSHIFT keyword,
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the keyword is ignored.</p>
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<div class="p">This keyword is valid for fields with data types
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A, S, B, or P. Choose any keyboard shift that is compatible with the data
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type as a parameter value. The following parameters apply to the data types:
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<ul><li>Character field (A): REFSHIFT(A | X | W | N | I | D | M)</li>
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<li>Numeric fields (S, B, P): REFSHIFT(S | Y | N | I | D)</li>
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</ul>
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</div>
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</div>
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<div class="example"><h4 class="sectiontitle">Examples</h4><p>The following example shows how to specify
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the REFSHIFT keyword for a physical file.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00010A R RECORD
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00020A FIELDA 5 REFSHIFT(X)
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00030A FIELDN 4P REFSHIFT(N)
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A</pre>
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<p>Fields FIELDA and FIELDN in the file (FILE1) have the
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REFSHIFT keyword specified as shown. The REFSHIFT keyword is used when the
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fields are referred to from a display file.</p>
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</div>
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<div class="example"> <pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00010A REF(FILE1)
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00020A R RECORD
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00030A FIELDA R 1 2
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A FIELDN R 2 2
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A</pre>
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<div class="p">The display file references FILE1 (REF keyword). Fields
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FIELDA and FIELDN in this display file reference fields FIELDA and FIELDN
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in FILE1. When the REFSHIFT keyword is specified for the fields in FILE1,
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the keyboard shift specified with the REFSHIFT keyword is used in the display
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file, and the fields have the following attributes: <ul><li>FIELDA has keyboard shift X in position 35.</li>
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<li>FIELDN has keyboard shift N in position 35.</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>
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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 class="relinfo"><strong>Related information</strong><br />
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<div><a href="../rzakc/rzakcmstpos29.htm">Reference for display files (position 29)</a></div>
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<div><a href="../rzakc/rzakcmstdfdt.htm">Data type/keyboard shift for display files (position 35)</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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