Proyectos de Subversion Moodle

<?php
/**
 * PDO Oracle (oci) driver
 *
 * This file is part of ADOdb, a Database Abstraction Layer library for PHP.
 *
 * @package ADOdb
 * @link https://adodb.org Project's web site and documentation
 * @link https://github.com/ADOdb/ADOdb Source code and issue tracker
 *
 * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
 * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
 * any later version. This means you can use it in proprietary products.
 * See the LICENSE.md file distributed with this source code for details.
 * @license BSD-3-Clause
 * @license LGPL-2.1-or-later
 *
 * @copyright 2000-2013 John Lim
 * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
 */

class ADODB_pdo_oci extends ADODB_pdo_base {

        var $concat_operator='||';
        var $sysDate = "TRUNC(SYSDATE)";
        var $sysTimeStamp = 'SYSDATE';
        var $NLS_DATE_FORMAT = 'YYYY-MM-DD';  // To include time, use 'RRRR-MM-DD HH24:MI:SS'
        var $random = "abs(mod(DBMS_RANDOM.RANDOM,10000001)/10000000)";
        var $metaTablesSQL = "select table_name,table_type from cat where table_type in ('TABLE','VIEW')";
        var $metaColumnsSQL = "select cname,coltype,width, SCALE, PRECISION, NULLS, DEFAULTVAL from col where tname='%s' order by colno";

        var $_initdate = true;
        var $_hasdual = true;

        function _init($parentDriver)
        {
                $parentDriver->_bindInputArray = true;
                $parentDriver->_nestedSQL = true;
                if ($this->_initdate) {
                        $parentDriver->Execute("ALTER SESSION SET NLS_DATE_FORMAT='".$this->NLS_DATE_FORMAT."'");
                }
        }

        function MetaTables($ttype=false,$showSchema=false,$mask=false)
        {
                if ($mask) {
                        $save = $this->metaTablesSQL;
                        $mask = $this->qstr(strtoupper($mask));
                        $this->metaTablesSQL .= " AND table_name like $mask";
                }
                $ret = ADOConnection::MetaTables($ttype,$showSchema);

                if ($mask) {
                        $this->metaTablesSQL = $save;
                }
                return $ret;
        }

        function MetaColumns($table,$normalize=true)
        {
        global $ADODB_FETCH_MODE;

                $false = false;
                $save = $ADODB_FETCH_MODE;
                $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
                if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);

                $rs = $this->Execute(sprintf($this->metaColumnsSQL,strtoupper($table)));

                if (isset($savem)) $this->SetFetchMode($savem);
                $ADODB_FETCH_MODE = $save;
                if (!$rs) {
                        return $false;
                }
                $retarr = array();
                while (!$rs->EOF) { //print_r($rs->fields);
                        $fld = new ADOFieldObject();
                        $fld->name = $rs->fields[0];
                        $fld->type = $rs->fields[1];
                        $fld->max_length = $rs->fields[2];
                        $fld->scale = $rs->fields[3];
                        if ($rs->fields[1] == 'NUMBER' && $rs->fields[3] == 0) {
                                $fld->type ='INT';
                                $fld->max_length = $rs->fields[4];
                        }
                        $fld->not_null = (strncmp($rs->fields[5], 'NOT',3) === 0);
                        $fld->binary = (strpos($fld->type,'BLOB') !== false);
                        $fld->default_value = $rs->fields[6];

                        if ($ADODB_FETCH_MODE == ADODB_FETCH_NUM) $retarr[] = $fld;
                        else $retarr[strtoupper($fld->name)] = $fld;
                        $rs->MoveNext();
                }
                $rs->Close();
                if (empty($retarr))
                        return  $false;
                else
                        return $retarr;
        }

        /**
         * @param bool $auto_commit
         * @return void
         */
        function SetAutoCommit($auto_commit)
        {
                $this->_connectionID->setAttribute(PDO::ATTR_AUTOCOMMIT, $auto_commit);
        }

        /**
         * Returns a driver-specific format for a bind parameter
         *
         * @param string $name
         * @param string $type (ignored in driver)
         *
         * @return string
         */
        public function param($name,$type='C')
        {
                return sprintf(':%s', $name);
        }
}