141 lines
11 KiB
HTML
141 lines
11 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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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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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2005" />
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<meta name="DC.rights.owner" content="(C) Copyright IBM Corporation 2005" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Title" content="Conversion rules for copying files" />
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<meta name="DC.subject" content="conversion, rules for copying files, copying file, conversion rules, field, mapping, character field, conversions, character, packed decimal field conversions, zoned decimal field conversion, floating-point, field conversions, binary field conversion, binary, with decimal positions, binary, no decimal positions, character field, character fields, numeric fields, numeric field, numeric, numeric fields, default (DFT) keyword, mapping fields" />
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<meta name="keywords" content="conversion, rules for copying files, copying file, conversion rules, field, mapping, character field, conversions, character, packed decimal field conversions, zoned decimal field conversion, floating-point, field conversions, binary field conversion, binary, with decimal positions, binary, no decimal positions, character field, character fields, numeric fields, numeric field, numeric, numeric fields, default (DFT) keyword, mapping fields" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Conversion rules for copying files</title>
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</head>
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<body id="rbal3convr"><a name="rbal3convr"><!-- --></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">Conversion rules for copying files</h1>
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<div><p></p>
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<p>The <a href="#rbal3convr__rbal3fldcon">Table 1</a> table below shows the
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field conversions that are allowed between mapped fields in the from-file
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and to-file record formats. If fields with the same name have incompatible
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attributes between the from-file and to-file formats, you can only use FMTOPT(*NOCHK)
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to perform the copy. An X indicates that the conversion is valid, and a blank
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indicates a field mapping that is not valid.</p>
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<p>When mapping character fields, the field being copied is truncated on the
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right if it is longer than the field into which the copy is made. For example,
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a character field of length 10 is copied into a character field of length
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6; ABCDEFGHIJ becomes ABCDEF. If the field that is being copied is shorter
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than the field into which it is copied, the field is padded on the right with
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blanks. For example, a character field of length 10 is copied into a character
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field of length 12; ABCDEFGHIJ becomes ABCDEFGHIJxx (x = blank).</p>
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<p>When you are mapping numeric fields, and the field being copied is longer
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than the field into which the copy is made, the field being copied is truncated
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on the left and right of the decimal point. For example, a zoned decimal field
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of length 9 with 4 decimal positions is copied to a zoned decimal field of
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length 6 with 3 decimal positions; 00115.1109 becomes 115.110.</p>
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<p>If significant digits must be truncated to the left of the decimal point,
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the value is not copied, and the field is set to its default value (either
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the parameter value of the DFT keyword, if specified, or zero, if the DFT
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keyword is not specified). Also, if significance will be lost because a floating-point
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numeric value exponent is too large, the to-file field is set to its default
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value.</p>
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<p>When you are mapping numeric fields for which the field that is being copied
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is shorter than the field into which the copy is made, the field being copied
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is padded with zeros on the left and right of the decimal point. For example,
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a packed decimal field of length 7 with 5 decimal positions is copied to a
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packed decimal field of length 10 with 6 decimal positions; 99.99998 becomes
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0099.999980.</p>
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<div class="tablenoborder"><a name="rbal3convr__rbal3fldcon"><!-- --></a><table cellpadding="4" cellspacing="0" summary="" id="rbal3convr__rbal3fldcon" width="100%" frame="border" border="1" rules="all"><caption>Table 1. Field conversions. (This table is not applicable to FMTOPT(*CVTFLOAT) or FMTOPT(*NULLFLAGS),
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where the from-file data is defined by the to-file.)</caption><thead align="left"><tr><th align="left" valign="bottom" width="15.555555555555555%" id="d0e119">From field</th>
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<th align="left" valign="bottom" width="13.333333333333334%" id="d0e121">To character, binary character or hexadecimal
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field</th>
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<th align="left" valign="bottom" width="14.074074074074074%" id="d0e123">To packed decimal field</th>
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<th align="left" valign="bottom" width="14.444444444444443%" id="d0e125">To zoned decimal field</th>
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<th align="left" valign="bottom" width="14.074074074074074%" id="d0e127">To binary (no decimals positions) field</th>
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<th align="left" valign="bottom" width="14.444444444444443%" id="d0e129">To floating point field</th>
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<th align="left" valign="bottom" width="14.074074074074074%" id="d0e131">To binary field (with decimals positions)</th>
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</tr>
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</thead>
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<tbody><tr><td align="left" valign="top" width="15.555555555555555%" headers="d0e119 ">Character, binary character or hexadecimal</td>
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<td align="left" valign="top" width="13.333333333333334%" headers="d0e121 "> X</td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e123 "> </td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e125 "> </td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e127 "> </td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e129 "> </td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e131 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="15.555555555555555%" headers="d0e119 ">Packed</td>
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<td align="left" valign="top" width="13.333333333333334%" headers="d0e121 "> </td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e123 "> X</td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e125 "> X</td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e127 "> X</td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e129 "> X</td>
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<td valign="top" width="14.074074074074074%" headers="d0e131 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="15.555555555555555%" headers="d0e119 ">Zoned</td>
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<td align="left" valign="top" width="13.333333333333334%" headers="d0e121 "> </td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e123 "> X</td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e125 "> X</td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e127 "> X</td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e129 "> X</td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e131 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="15.555555555555555%" headers="d0e119 ">Binary (no decimal positions)</td>
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<td align="left" valign="top" width="13.333333333333334%" headers="d0e121 "> </td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e123 "> X</td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e125 "> X</td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e127 "> X</td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e129 "> X</td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e131 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="15.555555555555555%" headers="d0e119 ">Floating point</td>
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<td align="left" valign="top" width="13.333333333333334%" headers="d0e121 "> </td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e123 "> X</td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e125 "> X</td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e127 "> X</td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e129 "> X</td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e131 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="15.555555555555555%" headers="d0e119 ">Binary (with decimal positions)</td>
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<td align="left" valign="top" width="13.333333333333334%" headers="d0e121 "> </td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e123 "> </td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e125 "> </td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e127 "> </td>
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<td align="left" valign="top" width="14.444444444444443%" headers="d0e129 "> </td>
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<td align="left" valign="top" width="14.074074074074074%" headers="d0e131 ">X<sup>1</sup></td>
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</tr>
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<tr><td colspan="7" align="left" valign="top" headers="d0e119 d0e121 d0e123 d0e125 d0e127 d0e129 d0e131 "> <div class="note"><span class="notetitle">Note:</span> <dl><dt class="dlterm"><sup>1</sup></dt>
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<dd>A binary numeric field with one or more decimal positions can be copied
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only to a binary field with the same number of decimal positions.</dd>
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</dl>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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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="rbal3copydbmbrfmt.htm" title="When you copy from a database file to a database file, you must use the FMTOPT parameter if the record formats are not identical or if the files are different types (source or data). If either file is a device file or inline data file, the FMTOPT parameter does not apply. The records are truncated or padded with blanks or zeros when record lengths are different. A message is sent if the records are truncated.">Copying between different database record formats (FMTOPT parameter)</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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