80 lines
5.6 KiB
HTML
80 lines
5.6 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 name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Use the SQL diagnostics area" />
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<meta name="abstract" content="The SQL diagnostics area is used to keep the returned information for an SQL statement that has been run in a program. It contains all the information that is available to you as an application programmer through the SQLCA." />
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<meta name="description" content="The SQL diagnostics area is used to keep the returned information for an SQL statement that has been run in a program. It contains all the information that is available to you as an application programmer through the SQLCA." />
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<meta name="DC.Relation" scheme="URI" content="rzajpsqlcom.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzajpupdiag.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzajpmodeldiag.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzajpdiagex.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzajpdiaglog.htm" />
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<meta name="DC.Relation" scheme="URI" content="../db2/rbafzmstgetdiag.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
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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>Use the SQL diagnostics area</title>
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</head>
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<body id="rzajpdiagnostics"><a name="rzajpdiagnostics"><!-- --></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">Use the SQL diagnostics area</h1>
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<div><p>The SQL diagnostics area is used to keep the returned information
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for an SQL statement that has been run in a program. It contains all the information
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that is available to you as an application programmer through the SQLCA.</p>
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<p>There are additional values available to provide more detailed information
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about your SQL statement including connection information. More than one condition
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can be returned from a single SQL statement. The information in the SQL diagnostics
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area is available for the previous SQL statement until the next SQL statement
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is run. </p>
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<p>To access the information from the diagnostics area, use the GET DIAGNOSTICS
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statement. In this statement, you can request multiple pieces of information
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at one time about the previously run SQL statement. Each item is returned
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in a host variable. You can also request to get a string that contains all
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the diagnostic information that is available. Running the GET DIAGNOSTICS
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statement does not clear the diagnostics area.</p>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rzajpupdiag.htm">Update applications to use the SQL diagnostics area</a></strong><br />
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<span>You might consider changing your applications
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to use the SQL diagnostics area instead of the SQL communications area (SQLCA),
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because the SQL diagnostics area provides some significant advantages over
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the SQLCA.</span></li>
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<li class="ulchildlink"><strong><a href="rzajpmodeldiag.htm">iSeries server programming model</a></strong><br />
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In the iSeries™ Integrated Language
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Environment<sup>®</sup> (ILE), the SQL diagnostics area is scoped to a thread and
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an activation group. This means that for each activation group in which a
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thread runs SQL statements, a separate diagnostics area exists for the activation.</li>
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<li class="ulchildlink"><strong><a href="rzajpdiagnotes.htm">Additional notes on using the SQL diagnostics area</a></strong><br />
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In an application program, the SQLCA is replaced with an implicit or stand-alone SQLSTATE variable, which must be declared in the program.</li>
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<li class="ulchildlink"><strong><a href="rzajpdiagex.htm">Example: SQL routine exception</a></strong><br />
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In this application example, a stored procedure signals an error when an input value is out of range.</li>
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<li class="ulchildlink"><strong><a href="rzajpdiaglog.htm">Example: Logging items from the SQL diagnostics area</a></strong><br />
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In this example, an application needs to log all errors for security reasons. The log could be used to monitor the health of a system or to monitor for inappropriate use of a database.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajpsqlcom.htm" title="This topic describes some concepts and rules that are common to using SQL statements in a host language.">Common concepts and rules for using embedded SQL</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="../db2/rbafzmstgetdiag.htm">GET DIAGNOSTICS</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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