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efrain |
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<?php
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/**
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* Oracle 8.0.5 (oci8) driver
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*
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* @deprecated
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*
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* Optimizes selectLimit() performance with FIRST_ROWS hint.
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*
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* This file is part of ADOdb, a Database Abstraction Layer library for PHP.
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*
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* @package ADOdb
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* @link https://adodb.org Project's web site and documentation
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* @link https://github.com/ADOdb/ADOdb Source code and issue tracker
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*
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* The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
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* and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
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* any later version. This means you can use it in proprietary products.
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* See the LICENSE.md file distributed with this source code for details.
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* @license BSD-3-Clause
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* @license LGPL-2.1-or-later
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*
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* @copyright 2000-2013 John Lim
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* @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
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*/
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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include_once(ADODB_DIR.'/drivers/adodb-oci8.inc.php');
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class ADODB_oci805 extends ADODB_oci8 {
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var $databaseType = "oci805";
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var $connectSID = true;
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function SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
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{
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// seems that oracle only supports 1 hint comment in 8i
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if (strpos($sql,'/*+') !== false)
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$sql = str_replace('/*+ ','/*+FIRST_ROWS ',$sql);
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else
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$sql = preg_replace('/^[ \t\n]*select/i','SELECT /*+FIRST_ROWS*/',$sql);
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/*
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The following is only available from 8.1.5 because order by in inline views not
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available before then...
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http://www.jlcomp.demon.co.uk/faq/top_sql.html
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if ($nrows > 0) {
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if ($offset > 0) $nrows += $offset;
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$sql = "select * from ($sql) where rownum <= $nrows";
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$nrows = -1;
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}
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*/
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return ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
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}
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}
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class ADORecordset_oci805 extends ADORecordset_oci8 {
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var $databaseType = "oci805";
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}
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