XQLEN parameter: Difference between revisions

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<dd>All
<dd>All
<dt>Introduced
<dt>Introduced
<dd><var class="product">Model 204 V7.4</var>
<dd><var class="product">Model 204 V7.1</var>
</dl>
</dl>
==Description==
==Description==
The current number of pages in the Table X reuse queue. When record deletions occur in a Table X page, the page is added to the reuse queue, if the following conditions are true:  
The current number of pages in the [[Table_X_(File_architecture)|Table X]] reuse queue. When record deletions occur in a Table X page, the page is added to the reuse queue, if the following conditions are true:  
<ul>
<ul>
<li>
<li>
Enough extra bytes of free space are available beyond XRESERVE to satisfy the free space required for the XREUSE parameter.</li>
Enough extra bytes of free space are available beyond <var>[[XRESERVE_parameter|XRESERVE]]</var> to satisfy the free space required for the <var>[[XREUSE_parameter|XREUSE]]</var> parameter.</li>
<li>
<li>
At least one record number is available. </li>
At least one record number is available. </li>
</ul>
</ul>
<p>For more information about the reuse queue, see [[File_Design_(File_Management)#Unordered_Files|Unordered Files]]. </p>
<p>For more information about the reuse queue, see [[File design#Unordered_Files|Unordered Files]]. </p>


[[Category:File parameters]]
[[Category:File parameters]]
[[Category:Tables parameters]]
[[Category:Tables parameters]]
[[Category:Parameters]]
[[Category:Parameters]]

Latest revision as of 16:26, 12 December 2017

Table X reuse-queue length

Summary

Default value
None
Parameter type
Tables
Where set
View-only
Related products
All
Introduced
Model 204 V7.1

Description

The current number of pages in the Table X reuse queue. When record deletions occur in a Table X page, the page is added to the reuse queue, if the following conditions are true:

  • Enough extra bytes of free space are available beyond XRESERVE to satisfy the free space required for the XREUSE parameter.
  • At least one record number is available.

For more information about the reuse queue, see Unordered Files.