109 lines
7.5 KiB
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109 lines
7.5 KiB
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<body id="rzakcmstdfsflnz"><a name="rzakcmstdfsflnz"><!-- --></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">SFLINZ (Subfile Initialize) keyword for display files</h1>
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<div><p>Use this record-level keyword on the subfile control record format
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to specify that the <span class="keyword">i5/OS™</span> operating
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system is to initialize all records in the subfile on an output operation
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to the subfile control record format (identified by the SFLCTL keyword).</p>
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<div class="section"><p>The fields in each subfile record are initialized to blanks for
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character type fields, to nulls for floating-point type fields, to zeros for
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other numeric type fields, or to the constant value specified on input-only
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fields if the DFT keyword is specified.</p>
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<p>When the subfile is displayed
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(on an output operation to the subfile control record), all records in the
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subfile are displayed with the same value. Any record previously written is
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overwritten and no longer has its earlier value.</p>
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<p>This keyword has no
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parameters.</p>
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<p>The following case is true when SFLINZ
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is in effect on an output operation to the subfile control record format.
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If keywords (such as DSPATR(HI)) are specified on fields in the subfile record
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format and if option indicators are specified on those keywords, the subfile
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is displayed as though all option indicators are off (hex F0). Note that a
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keyword can be selected if N is specified for the option indicator.</p>
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<p>After
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your program sends an output operation to the subfile control record with
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SFLINZ in effect, all records in the subfile are considered active but not
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changed. They are considered changed only when the workstation user changes
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them or when your program sends an output operation to the subfile record
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format with the SFLNXTCHG keyword in effect.</p>
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<p>To initialize a subfile
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with no active records, use the SFLRNA (Subfile Records Not Active) keyword.</p>
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<div class="p">In
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general, use SFLINZ for the following purposes: <ul><li>Specify SFLINZ with the SFLRNA keyword so that your program can initialize
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a subfile, then add records to that subfile without having the initialized
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records considered active.</li>
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<li>Specify SFLINZ with the SFLPGMQ keyword so that your program can build
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a message subfile with a single output operation.</li>
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</ul>
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<div class="note"><span class="notetitle">Notes:</span> <ol><li>If field selection is used in the subfile record format, SFLINZ is not
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valid. Your program can only initialize the subfile by a series of output
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operations to the subfile record format, selecting fields as needed.</li>
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<li>SFLINZ cannot be specified on the subfile control record format for a
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message subfile (SFLMSGRCD) unless the SFLPGMQ keyword is also
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specified at the field level in the same subfile control record format.</li>
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</ol>
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</div>
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</div>
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<p>Option indicators are valid for this keyword. Display
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size condition names are not valid.</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 SFLINZ keyword.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00010A R SFLR SFL
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00020A*
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00030A* (at least one displayable field)
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00040A R SFLCTLR SFLCTL(SFLR)
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00050A SFLPAG(17)
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00060A SFLSIZ(17)
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00070A 01 SFLDSP SFLDSPCTL
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00080A 02 SFLINZ
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00090A UNLOCK(*ERASE *MDTOFF)
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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="rzakcmstkeyent.htm" title="You type the keyword entries that define display files in positions 45 through 80 (functions).">DDS keyword entries for display files (positions 45 through 80)</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="rzakcmstdfsfrna.htm" title="Use this record-level keyword with the Subfile Initialize (SFLINZ) keyword on the subfile control record format so that your program can initialize a subfile with no active records. To do this, your program sends an output operation to the subfile control record format with the SFLINZ keyword selected.">SFLRNA (Subfile Records Not Active) keyword for display files</a></div>
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<div><a href="rzakcmstdfsfpmq.htm" title="Use this field-level keyword on the second (and last) field in the subfile record format for a message subfile.">SFLPGMQ (Subfile Program Message Queue) keyword for display files</a></div>
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<div><a href="rzakcmstdfsfmrc.htm" title="Use this record-level keyword on the subfile record format to specify that this subfile is to be a message subfile and that the records displayed when the subfile is displayed are to be messages from a program message queue.">SFLMSGRCD (Subfile Message Record) keyword for display files</a></div>
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