71 lines
3.4 KiB
HTML
71 lines
3.4 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="security" content="public" />
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<meta name="Robots" content="index,follow" />
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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.Type" content="reference" />
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<meta name="DC.Title" content="Example: SQL routine exception" />
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<meta name="abstract" content="In this application example, a stored procedure signals an error when an input value is out of range." />
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<meta name="description" content="In this application example, a stored procedure signals an error when an input value is out of range." />
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<meta name="DC.Relation" scheme="URI" content="rzajpdiagnostics.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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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rzajpdiagex" />
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<meta name="DC.Language" content="en-us" />
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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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<!-- Use, duplication or disclosure restricted by -->
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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>Example: SQL routine exception</title>
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</head>
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<body id="rzajpdiagex"><a name="rzajpdiagex"><!-- --></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">Example: SQL routine exception</h1>
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<div><p>In this application example, a stored procedure signals an error
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when an input value is out of range. </p>
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<div class="section"><pre>EXEC SQL <strong>CREATE PROCEDURE</strong> check_input (<strong>IN</strong> p1 <strong>INT</strong>)
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<strong>LANGUAGE SQL READS SQL DATA</strong>
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test: <strong>BEGIN</strong>
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<strong>IF</strong> p1< 0 <strong>THEN</strong>
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<strong>SIGNAL SQLSTATE VALUE</strong> '99999'
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SET <strong>MESSAGE_TEXT</strong> = 'Bad input value';
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<strong>END IF</strong>
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<strong>END</strong> test;</pre>
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</div>
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<div class="section"><p>The calling application checks for a failure and retrieves the
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information about the failure from the SQL diagnostics area: </p>
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<pre>char SQLSTATE[6]; /* Stand-alone sqlstate */
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long int SQLCODE; /* Stand-alone sqlcode */
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long int hv1;
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char hv2[6];
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char hv3[256];
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hv1 = -1;
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EXEC SQL CALL check_input(:hv1);
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if (strncmp(SQLSTATE, "99999", 5) == 0)
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{
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EXEC SQL GET DIAGNOSTICS CONDITION 1
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:hv2 = RETURNED_SQLSTATE,
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:hv3 = MESSAGE_TEXT;
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}
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else
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{
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}</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="rzajpdiagnostics.htm" title="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.">Use the SQL diagnostics area</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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