436 lines
12 KiB
HTML
436 lines
12 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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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="Copyright" content="Copyright (c) 2006 by IBM Corporation">
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<title>Process Remote Extended Dynamic SQL (QxdaProcessExtDynEDRS) API</title>
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<!-- Begin Header Records ========================================== -->
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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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<!-- File SCRIPT A converted by B2H R4.1 (346) (CMS) by V2KEA304 -->
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<!-- at RCHVMW2 on 17 Feb 1999 at 11:05:09 -->
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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!--File Edited March 2001 -->
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<!-- This file has undergone html cleanup on 9/24/01 by JET -->
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<!--End Header Records -->
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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</head>
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<body>
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<a name="top_Of_Page"></a>
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<!-- Java sync-link -->
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<script language="Javascript" src="../rzahg/synch.js" type="text/javascript">
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</script>
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<h2>Process Remote Extended Dynamic SQL (QxdaProcessExtDynEDRS) API</h2>
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<div class="box" style="width: 80%;">
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<br>
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Required Parameter Group:<br>
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<!-- iddvc RMBR -->
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<br>
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<table width="100%">
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<tr>
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<td align="center" valign="top" width="10%">1</td>
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<td align="left" valign="top" width="50%">Connection handle</td>
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<td align="left" valign="top" width="20%">Input</td>
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<td align="left" valign="top" width="20%">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">2</td>
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<td align="left" valign="top">SQL descriptor area</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(*)</td>
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</tr>
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<tr>
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<td align="center" valign="top">3</td>
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<td align="left" valign="top">SQL communications area</td>
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<td align="left" valign="top">Output</td>
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<td align="left" valign="top">Char(136)</td>
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</tr>
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<tr>
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<td align="center" valign="top">4</td>
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<td align="left" valign="top">QSQPRCED function template format</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(8)</td>
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</tr>
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<tr>
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<td align="center" valign="top">5</td>
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<td align="left" valign="top">QSQPRCED function template</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(*)</td>
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</tr>
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<tr>
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<td align="center" valign="top">6</td>
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<td align="left" valign="top">Receiver variable</td>
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<td align="left" valign="top">Output</td>
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<td align="left" valign="top">Char(*)</td>
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</tr>
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<tr>
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<td align="center" valign="top">7</td>
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<td align="left" valign="top">Length of receiver variable</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">8</td>
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<td align="left" valign="top">Receiver variable format</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(8)</td>
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</tr>
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<tr>
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<td align="center" valign="top">9</td>
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<td align="left" valign="top">Additional options</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">10</td>
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<td align="left" valign="top">Error code</td>
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<td align="left" valign="top">I/O</td>
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<td align="left" valign="top">Char(*)</td>
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</tr>
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</table>
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<br>
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Service Program Name: QXDAEDRS<br>
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<!-- iddvc RMBR -->
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<br>
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Default Public Authority: *USE<br>
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<!-- iddvc RMBR -->
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<br>
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Threadsafe: Conditional; see <a href="#usage_notes">Usage
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Notes</a><br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The Process Remote Extended Dynamic SQL (QxdaProcessExtDynEDRS) API is used
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to perform extended dynamic SQL operations on the database server system. The
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SQL operations are performed by the Process Extended Dynamic SQL (QSQPRCED
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API). For more information, see the Process Extended Dynamic SQL (QSQPRCED) API
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documentation.</p>
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<br>
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<h3>Authorities and Locks</h3>
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<p>See the Process Extended Dynamic SQL (QSQPRCED) API documentation for
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authorities required.</p>
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<br>
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<h3>Required Parameter Group</h3>
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<dl>
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<dt><strong>Connection handle</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The handle number of the connection on which to perform the extended dynamic
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SQL operation. The connection handle must have been generated by the
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QxdaConnectEDRS API in the current job and activation group.</p>
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</dd>
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<dt><strong>SQL descriptor area</strong></dt>
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<dd>INPUT; CHAR(*)
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<p>Passes information about the variables being used on a specific SQL
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statement. The SQLDA is used for passing the address, data type, length, and
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CCSID for variables on an OPEN, EXECUTE, FETCH, or DESCRIBE function.</p>
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<p>The format of the structure is standard and is described more completely in
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the <a href="../sqlp/rbafykickoff.htm">DB2 UDB for iSeries SQL Programming
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Concepts</a> and <a href="../db2/rbafzmst02.htm">DB2 UDB for iSeries SQL
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Reference</a> topics.</p>
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</dd>
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<dt><strong>SQL communications area</strong></dt>
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<dd>OUTPUT; CHAR(136)
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<p>Returns diagnostic information. It includes the SQLCODE variable, indicating
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whether an error has occurred. If SQLCODE has a value of 0 after a call to this
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API, the function was successful.</p>
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<p>The format of this structure is standard and is described more completely in
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the <a href="../sqlp/rbafykickoff.htm">DB2 UDB for iSeries SQL Programming
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Concepts</a> and <a href="../db2/rbafzmst02.htm">DB2 UDB for iSeries SQL
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Reference</a> books.</p>
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</dd>
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<dt><strong>QSQPRCED function template format</strong></dt>
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<dd>INPUT; CHAR(8)
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<p>The format of the function template being used. For possible values, see the
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Process Extended Dynamic SQL (QSQPRCED) API documentation. The SQLP0100, SQLP0110,
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SQLP0200, SQLP0210, and SQLP0500 QSQPRCED formats are not supported by this API.</p>
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</dd>
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<dt><strong>QSQPRCED function template</strong></dt>
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<dd>INPUT; CHAR(*)
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<p>Determines the function to perform, the requested statement to process, and
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the SQL package to be used. It also contains the text of the statement, which
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is required for the PREPARE function. For the format of this parameter, see the
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Process Extended Dynamic SQL (QSQPRCED) API documentation.</p>
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</dd>
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<dt><strong>Receiver variable</strong></dt>
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<dd>OUTPUT; CHAR(*)
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<p>The structure in which to return information about the connection. For the
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format of this parameter, see <a href="#HDRO0100A">EXDO0100 Format</a>.</p>
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</dd>
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<dt><strong>Length of receiver variable</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The number of bytes that the calling program provides for the receiver
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variable data.</p>
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</dd>
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<dt><strong>Receiver variable format</strong></dt>
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<dd>INPUT; CHAR(8)
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<p>The format of the receiver variable template being used. The possible value
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is:</p>
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<table>
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<tr>
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<td width="15%" valign="top"><em>EXDO0100</em></td>
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<td width="85%" valign="top">Basic receiver variable</td>
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</tr>
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</table>
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<br>
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</dd>
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<dt><strong>Additional options</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The following are valid options. The binary OR operation can be used to use
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more than one of these options together.</p>
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<dl compact>
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<dt><em>0x00000000 - 0 - QXDA_EXTDYN_NOOPTS</em></dt>
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<dd> </dd>
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<dt><em>0x00000001 - 1 - QXDA_CREATE_OBJECTS</em></dt>
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<dd>When preparing a statement into an SQL package, create the library and SQL
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package if they do not already exist. This option is valid only for QSQPRCED
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functions 2 and 9; it is ignored for all other functions. When this option is
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specified, all parameters required by the Process Extended Dynamic SQL
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(QSQPRCED) API for function 1 must be provided in the QSQPRCED function
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template.</dd>
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<dt><em>0x00000010 - 16 - QXDA_DEFER_OPEN</em></dt>
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<dd>Defer the open until a fetch is performed, when possible. The system will
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determine if the open can be deferred. This option is valid only for QSQPRCED
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function 4, and only when using a remote connection type. It is ignored in all
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other cases. It will cause a failure at fetch time if the fetch immediately
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following an open using this option is not from the same cursor as the
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open.</dd>
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<dt><em>0x00000100 - 256 - QXDA_FIND_STMT</em></dt>
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<dd>If this option is specified and the statement name parameter of the
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QSQPRCED function template is blank, a search will be performed to see if there
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is already a prepared statement in the specified library and package with the
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same statement text as the current text. If not, a unique statement name will
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be generated and returned in the statement name field of the receiver
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variable.</dd>
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</dl>
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</dd>
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<dt><strong>Error code</strong></dt>
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<dd>I/O; CHAR(*)
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<p>The structure in which to return error information. For the format of the
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structure, see <a href="../apiref/error.htm#hdrerrcod">Error Code Parameter</a>.</p>
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</dd>
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</dl>
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<br>
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<h3><a name="HDRO0100A">EXDO0100 Format</a></h3>
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<p>The following table shows the information returned in the EXDO0100 format.
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For more details about the fields in this table, see <a href="#HDRFIELD4">Field
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Descriptions</a>.</p>
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<table border width="80%">
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<tr>
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<th align="center" valign="bottom" colspan="2">Offset</th>
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<th align="left" valign="bottom" rowspan="2">Type</th>
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<th align="left" valign="bottom" rowspan="2">Field</th>
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</tr>
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<tr>
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<th align="center" valign="bottom">Dec</th>
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<th align="center" valign="bottom">Hex</th>
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</tr>
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<tr>
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<td align="center" valign="top" width="10%">0</td>
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<td align="center" valign="top" width="10%">0</td>
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<td align="left" valign="top" width="20%">BINARY(4)</td>
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<td align="left" valign="top" width="60%">Bytes returned</td>
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</tr>
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<tr>
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<td align="center" valign="top">4</td>
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<td align="center" valign="top">4</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">Bytes available</td>
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</tr>
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<tr>
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<td align="center" valign="top">8</td>
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<td align="center" valign="top">8</td>
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<td align="left" valign="top">CHAR(18)</td>
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<td align="left" valign="top">Statement name</td>
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</tr>
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</table>
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<br>
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<br>
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<h3><a name="HDRFIELD4">Field Descriptions</a></h3>
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<p><strong>Bytes available.</strong> The length of the information available to
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the API to return, in bytes.</p>
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<p><strong>Bytes returned.</strong> The actual number of bytes returned.</p>
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<p><strong>Statement name.</strong> The statement name generated when the
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QXDA_FIND_STMT option is specified.</p>
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<br>
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<h3><a name="usage_notes">Usage Notes</a></h3>
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<p>This function may be called from the initial thread of a job only.</p>
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<br>
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<h3>Error Messages</h3>
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<table width="100%" cellpadding="3">
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<tr>
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<th align="left" valign="top">Message ID</th>
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<th align="left" valign="top">Error Message Text</th>
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</tr>
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<tr>
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<td width="15%" valign="top">CPF180C E</td>
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<td width="85%" valign="top">Function &1 not allowed.</td>
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</tr>
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<tr>
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<td valign="top">CPF24B4 E</td>
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<td valign="top">Severe error while addressing parameter list.</td>
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</tr>
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<tr>
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<td valign="top">CPF3C21 E</td>
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<td valign="top">Format name &1 is not valid.</td>
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</tr>
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<tr>
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<td valign="top">CPF3C90 E</td>
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<td valign="top">Literal value cannot be changed.</td>
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</tr>
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<tr>
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<td valign="top">CPF9872 E</td>
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<td valign="top">Program or service program &1 in library &2 ended.
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Reason code &3.</td>
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</tr>
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<tr>
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<td valign="top">CPFAE14 E</td>
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<td valign="top">Cannot allocate &1 bytes.</td>
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</tr>
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<tr>
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<td valign="top">CPFB750 E</td>
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<td valign="top">Connection handle specified not valid.</td>
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</tr>
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<tr>
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<td valign="top">CPFB752 E</td>
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<td valign="top">Internal error in &1 API.</td>
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</tr>
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<tr>
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<td valign="top">CPFB756 E</td>
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<td valign="top">Rollback operation performed.</td>
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</tr>
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<tr>
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<td valign="top">CPFB757 E</td>
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<td valign="top">The connection is suspended.</td>
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</tr>
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<tr>
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<td valign="top">CPFB758 E</td>
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<td valign="top">The EDRS server system has been switched.</td>
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</tr>
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<tr>
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<td valign="top">CPFB759 E</td>
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<td valign="top">Cursor not valid for operation.</td>
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</tr>
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</table>
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<br>
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<br>
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<hr>
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API introduced: V4R4
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<hr>
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||
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<center>
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||
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<table cellpadding="2" cellspacing="2">
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||
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<tr align="center">
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||
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<td valign="middle" align="center"><a href="#top_Of_Page">Top</a> | <a href=
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||
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"file1.htm">Database and File APIs</a> | <a href="aplist.htm">APIs by
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