<?php
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// +----------------------------------------------------------------------+
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// | PHP versions 4 and 5 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, |
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// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann |
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// | All rights reserved. |
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// +----------------------------------------------------------------------+
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// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
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// | API as well as database abstraction for PHP applications. |
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// | This LICENSE is in the BSD license style. |
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// | |
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// | Redistribution and use in source and binary forms, with or without |
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// | modification, are permitted provided that the following conditions |
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// | are met: |
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// | |
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// | Redistributions of source code must retain the above copyright |
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// | notice, this list of conditions and the following disclaimer. |
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// | |
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// | Redistributions in binary form must reproduce the above copyright |
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// | notice, this list of conditions and the following disclaimer in the |
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// | documentation and/or other materials provided with the distribution. |
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// | |
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// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
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// | Lukas Smith nor the names of his contributors may be used to endorse |
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// | or promote products derived from this software without specific prior|
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// | written permission. |
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// | |
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// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
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// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
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// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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// | POSSIBILITY OF SUCH DAMAGE. |
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// +----------------------------------------------------------------------+
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// | Author: Lukas Smith <smith@pooteeweet.org> |
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// +----------------------------------------------------------------------+
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//
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// $Id$
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//
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require_once 'MDB2/Driver/Reverse/Common.php';
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/**
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* MDB2 Oracle driver for the schema reverse engineering module
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*
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* @package MDB2
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* @category Database
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* @author Lukas Smith <smith@dybnet.de>
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*/
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class MDB2_Driver_Reverse_oci8 extends MDB2_Driver_Reverse_Common
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{
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// }}}
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// {{{ tableInfo()
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/**
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* Returns information about a table or a result set
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*
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* NOTE: only supports 'table' and 'flags' if <var>$result</var>
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* is a table name.
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*
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* NOTE: flags won't contain index information.
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*
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* @param object|string $result MDB2_result object from a query or a
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* string containing the name of a table.
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* While this also accepts a query result
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* resource identifier, this behavior is
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* deprecated.
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* @param int $mode a valid tableInfo mode
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*
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* @return array an associative array with the information requested.
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* A MDB2_Error object on failure.
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*
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* @see MDB2_Driver_Common::tableInfo()
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*/
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function tableInfo($result, $mode = null)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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if ($db->options['field_case'] == CASE_LOWER) {
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$case_func = 'strtolower';
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} else {
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$case_func = 'strtoupper';
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}
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} else {
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$case_func = 'strval';
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}
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$res = array();
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if (is_string($result)) {
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/*
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* Probably received a table name.
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* Create a result resource identifier.
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*/
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$result = strtoupper($result);
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$query = 'SELECT column_name, data_type, data_length, '
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. 'nullable '
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. 'FROM user_tab_columns '
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. "WHERE table_name='$result' ORDER BY column_id";
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$stmt = $db->_doQuery($query);
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if (PEAR::isError($stmt)) {
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return $stmt;
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}
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$i = 0;
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while (@OCIFetch($stmt)) {
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$res[$i] = array(
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'table' => $case_func($result),
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'name' => $case_func(@OCIResult($stmt, 1)),
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'type' => @OCIResult($stmt, 2),
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'len' => @OCIResult($stmt, 3),
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'flags' => (@OCIResult($stmt, 4) == 'N') ? 'not_null' : '',
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);
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if ($mode & MDB2_TABLEINFO_ORDER) {
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$res['order'][$res[$i]['name']] = $i;
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}
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if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
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$res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
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}
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$i++;
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}
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if ($mode) {
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$res['num_fields'] = $i;
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}
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@OCIFreeStatement($stmt);
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} else {
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if (MDB2::isResultCommon($result)) {
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/*
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* Probably received a result object.
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* Extract the result resource identifier.
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*/
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$result = $result->getResource();
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}
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$res = array();
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if ($result === $db->last_stmt) {
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$count = @OCINumCols($result);
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if ($mode) {
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$res['num_fields'] = $count;
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}
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for ($i = 0; $i < $count; $i++) {
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$res[$i] = array(
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'table' => '',
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'name' => $case_func(@OCIColumnName($result, $i+1)),
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'type' => @OCIColumnType($result, $i+1),
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'len' => @OCIColumnSize($result, $i+1),
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'flags' => '',
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);
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if ($mode & MDB2_TABLEINFO_ORDER) {
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$res['order'][$res[$i]['name']] = $i;
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}
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if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
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$res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
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}
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}
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} else {
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return $db->raiseError(MDB2_ERROR_NOT_CAPABLE);
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}
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}
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return $res;
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}
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}
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?>
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