90 lines
5.2 KiB
HTML
90 lines
5.2 KiB
HTML
|
<?xml version="1.0" encoding="UTF-8"?>
|
||
|
|
<!DOCTYPE html
|
||
|
|
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
||
|
|
<html lang="en-us" xml:lang="en-us">
|
||
|
|
<head>
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
|
||
|
|
<meta name="security" content="public" />
|
||
|
|
<meta name="Robots" content="index,follow" />
|
||
|
|
<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))' />
|
||
|
|
<meta name="DC.Type" content="reference" />
|
||
|
|
<meta name="DC.Title" content="CPI4324 - Temporary file built for file &1" />
|
||
|
|
<meta name="DC.Relation" scheme="URI" content="pimes.htm" />
|
||
|
|
<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
|
||
|
|
<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
|
||
|
|
<meta name="DC.Format" content="XHTML" />
|
||
|
|
<meta name="DC.Identifier" content="cpi4324" />
|
||
|
|
<meta name="DC.Language" content="en-us" />
|
||
|
|
<!-- All rights reserved. Licensed Materials Property of IBM -->
|
||
|
|
<!-- US Government Users Restricted Rights -->
|
||
|
|
<!-- Use, duplication or disclosure restricted by -->
|
||
|
|
<!-- GSA ADP Schedule Contract with IBM Corp. -->
|
||
|
|
<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
|
||
|
|
<link rel="stylesheet" type="text/css" href="./ic.css" />
|
||
|
|
<title>CPI4324 - Temporary file built for file &1</title>
|
||
|
|
</head>
|
||
|
|
<body id="cpi4324"><a name="cpi4324"><!-- --></a>
|
||
|
|
<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
|
||
|
|
<h1 class="topictitle1">CPI4324 - Temporary file built for file &1</h1>
|
||
|
|
<div>
|
||
|
|
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th colspan="2" align="center" valign="middle" id="d0e16">CPI4324</th>
|
||
|
|
</tr>
|
||
|
|
</thead>
|
||
|
|
<tbody><tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Message Text:</td>
|
||
|
|
<td valign="middle" width="73.9795918367347%" headers="d0e16 ">Temporary file built for file &1.</td>
|
||
|
|
</tr>
|
||
|
|
<tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Cause Text:</td>
|
||
|
|
<td valign="middle" width="73.9795918367347%" headers="d0e16 ">A temporary file was built for member &3 of file &1 in library &2
|
||
|
|
for reason code &4. This process took &5 minutes and &6 seconds.
|
||
|
|
The temporary file was required in order for the query to be processed. The
|
||
|
|
reason codes and their meanings follow: <ol><li>The file is a join logical file and its join-type (JDFTVAL) does not match
|
||
|
|
the join-type specified in the query.</li>
|
||
|
|
<li>The format specified for the logical file references more than one physical
|
||
|
|
file.</li>
|
||
|
|
<li>The file is a complex SQL view requiring a temporary file to contain the
|
||
|
|
results of the SQL view.</li>
|
||
|
|
<li>For an update-capable query, a subselect references a field in this file
|
||
|
|
which matches one of the fields being updated.</li>
|
||
|
|
<li>For an update-capable query, a subselect references SQL view &1, which
|
||
|
|
is based on the file being updated.</li>
|
||
|
|
<li>For a delete-capable query, a subselect references either the file from
|
||
|
|
which records are to be deleted or an SQL view or logical file based on the
|
||
|
|
file from which records are to be deleted.</li>
|
||
|
|
<li>The file is user-defined table function &8 in &2, and all the
|
||
|
|
records were retrieved from the function. The processing time is not returned
|
||
|
|
for this reason code.</li>
|
||
|
|
<li>The file is a partition file requiring a temporary file for processing
|
||
|
|
the grouping or join.</li>
|
||
|
|
</ol>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Recovery Text:</td>
|
||
|
|
<td valign="middle" width="73.9795918367347%" headers="d0e16 ">You may want to change the query to refer to a file that does not require
|
||
|
|
a temporary file to be built.</td>
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
</div>
|
||
|
|
<div class="section"><p>Before the query processing could begin, the data in the specified
|
||
|
|
table had to be copied into a temporary physical table to simplify running
|
||
|
|
the query. The message help contains the reason why this message was sent.</p>
|
||
|
|
</div>
|
||
|
|
<div class="section"><p>If the specified table selects few rows, typically less than 1000
|
||
|
|
rows, then the row selection part of the query's implementation should not
|
||
|
|
take a significant amount of resource and time. However if the query is taking
|
||
|
|
more time and resources than can be allowed, consider changing the query so
|
||
|
|
that a temporary table is not required.</p>
|
||
|
|
</div>
|
||
|
|
<div class="section"><p>One way to do this is by breaking the query into multiple steps.
|
||
|
|
Consider using an INSERT statement with a subselect to select only the rows
|
||
|
|
that are required into a table, and then use that table's rows for the rest
|
||
|
|
of the query.</p>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div>
|
||
|
|
<div class="familylinks">
|
||
|
|
<div class="parentlink"><strong>Parent topic:</strong> <a href="pimes.htm" title="You can evaluate the structure and performance of the given SQL statements in a program using informational messages put in the job log by the database manager.">Query optimization performance information messages</a></div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</body>
|
||
|
|
</html>
|