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<?php
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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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 |
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// | All rights reserved. |
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// +----------------------------------------------------------------------+
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// | MDB 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@backendmedia.com> |
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// +----------------------------------------------------------------------+
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// $Id: oci8.php,v 1.7.4.5 2004/04/10 08:02:21 lsmith Exp $
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if (!defined('MDB_MANAGER_OCI8_INCLUDED')) {
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define('MDB_MANAGER_OCI8_INCLUDED', 1);
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require_once('MDB/Modules/Manager/Common.php');
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/**
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* MDB oci8 driver for the management modules
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*
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* @package MDB
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* @category Database
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* @author Lukas Smith <smith@backendmedia.com>
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*/
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class MDB_Manager_oci8 extends MDB_Manager_Common {
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// {{{ createDatabase()
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/**
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* create a new database
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*
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* @param object $dbs database object that is extended by this class
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* @param string $name name of the database that should be created
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* @return mixed MDB_OK on success, a MDB error on failure
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* @access public
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*/
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/*
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function createDatabase(&$db, $name)
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{
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$user = $db->getOption('DBAUser');
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if (MDB::isError($user)) {
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return($db->raiseError(MDB_ERROR_INSUFFICIENT_DATA, NULL, NULL, 'Create database',
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'it was not specified the Oracle DBAUser option'));
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}
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$password = $db->getOption('DBAPassword');
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if (MDB::isError($password)) {
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return($db->raiseError(MDB_ERROR_INSUFFICIENT_DATA, NULL, NULL, 'Create database',
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'it was not specified the Oracle DBAPassword option'));
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}
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if (!MDB::isError($result = $db->connect($user, $password, 0))) {
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$tablespace = $db->getOption('DefaultTablespace');
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if(MDB::isError($tablespace)) {
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$tablespace = '';
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} else {
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$tablespace = ' DEFAULT TABLESPACE '.$tablespace;
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}
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if (!MDB::isError($result = $db->_doQuery('CREATE USER '.$db->user.' IDENTIFIED BY '.$db->password.$tablespace))) {
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if (!MDB::isError($result = $db->_doQuery('GRANT CREATE SESSION, CREATE TABLE,UNLIMITED TABLESPACE,CREATE SEQUENCE TO '.$db->user))) {
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return(MDB_OK);
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} else {
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if (MDB::isError($result2 = $db->_doQuery('DROP USER '.$db->user.' CASCADE'))) {
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return($db->raiseError(MDB_ERROR, '','', 'Create database',
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'could not setup the database user ('.$result->getUserinfo().') and then could drop its records ('.$result2->getUserinfo().')'));
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}
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return($db->raiseError(MDB_ERROR, '','', 'Create database',
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'could not setup the database user ('.$result->getUserinfo().')'));
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}
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}
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}
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return($result);
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}
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*/
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// }}}
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// {{{ dropDatabase()
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/**
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* drop an existing database
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*
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* @param object $dbs database object that is extended by this class
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* @param string $name name of the database that should be dropped
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* @return mixed MDB_OK on success, a MDB error on failure
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* @access public
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*/
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/*
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function dropDatabase(&$db, $name)
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{
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$user = $db->getOption('DBAUser');
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if (MDB::isError($user)) {
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return($db->raiseError(MDB_ERROR_INSUFFICIENT_DATA, NULL, NULL, 'Create database',
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'it was not specified the Oracle DBAUser option'));
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}
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$password = $db->getOption('DBAPassword');
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if (MDB::isError($password)) {
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return($db->raiseError(MDB_ERROR_INSUFFICIENT_DATA, NULL, NULL, 'Create database',
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'it was not specified the Oracle DBAPassword option'));
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}
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if (MDB::isError($db->connect($user, $password, 0))) {
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return($result);
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}
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return($db->_doQuery('DROP USER '.$db->user.' CASCADE'));
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}
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*/
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// }}}
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// {{{ alterTable()
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/**
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* alter an existing table
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*
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* @param object $dbs database object that is extended by this class
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* @param string $name name of the table that is intended to be changed.
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* @param array $changes associative array that contains the details of each type
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* of change that is intended to be performed. The types of
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* changes that are currently supported are defined as follows:
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*
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* name
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*
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* New name for the table.
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*
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* AddedFields
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*
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* Associative array with the names of fields to be added as
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* indexes of the array. The value of each entry of the array
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* should be set to another associative array with the properties
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* of the fields to be added. The properties of the fields should
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* be the same as defined by the Metabase parser.
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*
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* Additionally, there should be an entry named Declaration that
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* is expected to contain the portion of the field declaration already
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* in DBMS specific SQL code as it is used in the CREATE TABLE statement.
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*
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* RemovedFields
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*
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* Associative array with the names of fields to be removed as indexes
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* of the array. Currently the values assigned to each entry are ignored.
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* An empty array should be used for future compatibility.
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*
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* RenamedFields
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*
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* Associative array with the names of fields to be renamed as indexes
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* of the array. The value of each entry of the array should be set to
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* another associative array with the entry named name with the new
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* field name and the entry named Declaration that is expected to contain
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* the portion of the field declaration already in DBMS specific SQL code
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* as it is used in the CREATE TABLE statement.
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*
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* ChangedFields
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*
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* Associative array with the names of the fields to be changed as indexes
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* of the array. Keep in mind that if it is intended to change either the
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* name of a field and any other properties, the ChangedFields array entries
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* should have the new names of the fields as array indexes.
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*
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* The value of each entry of the array should be set to another associative
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* array with the properties of the fields to that are meant to be changed as
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* array entries. These entries should be assigned to the new values of the
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* respective properties. The properties of the fields should be the same
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* as defined by the Metabase parser.
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*
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* If the default property is meant to be added, removed or changed, there
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* should also be an entry with index ChangedDefault assigned to 1. Similarly,
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* if the notNULL constraint is to be added or removed, there should also be
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* an entry with index ChangedNotNull assigned to 1.
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*
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* Additionally, there should be an entry named Declaration that is expected
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* to contain the portion of the field changed declaration already in DBMS
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* specific SQL code as it is used in the CREATE TABLE statement.
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* Example
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* array(
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* 'name' => 'userlist',
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* 'AddedFields' => array(
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* 'quota' => array(
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* 'type' => 'integer',
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* 'unsigned' => 1
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* 'Declaration' => 'quota INT'
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* )
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* ),
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* 'RemovedFields' => array(
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* 'file_limit' => array(),
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* 'time_limit' => array()
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* ),
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* 'ChangedFields' => array(
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* 'gender' => array(
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* 'default' => 'M',
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* 'ChangeDefault' => 1,
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* 'Declaration' => "gender CHAR(1) DEFAULT 'M'"
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* )
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* ),
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* 'RenamedFields' => array(
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* 'sex' => array(
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* 'name' => 'gender',
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* 'Declaration' => "gender CHAR(1) DEFAULT 'M'"
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* )
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* )
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* )
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* @param boolean $check indicates whether the function should just check if the DBMS driver
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* can perform the requested table alterations if the value is TRUE or
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* actually perform them otherwise.
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* @access public
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* @return mixed MDB_OK on success, a MDB error on failure
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*/
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function alterTable(&$db, $name, $changes, $check)
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{
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if ($check) {
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for($change = 0, reset($changes);
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$change < count($changes);
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next($changes), $change++)
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{
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switch (key($changes)) {
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case 'AddedFields':
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case 'RemovedFields':
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case 'ChangedFields':
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case 'name':
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break;
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case 'RenamedFields':
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default:
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return($db->raiseError(MDB_ERROR, NULL, NULL, 'Alter table',
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'change type "'.key($changes).'" not yet supported'));
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}
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}
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return(MDB_OK);
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} else {
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if (isset($changes['RemovedFields'])) {
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$query = ' DROP (';
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$fields = $changes['RemovedFields'];
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for($field = 0, reset($fields);
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$field < count($fields);
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next($fields), $field++)
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{
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if ($field > 0) {
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$query .= ', ';
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}
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$query .= key($fields);
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}
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$query .= ')';
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if (MDB::isError($result = $db->query("ALTER TABLE $name $query"))) {
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return($result);
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}
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$query = '';
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}
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$query = (isset($changes['name']) ? 'RENAME TO '.$changes['name'] : '');
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if (isset($changes['AddedFields'])) {
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$fields = $changes['AddedFields'];
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for($field = 0, reset($fields);
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$field < count($fields);
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next($fields), $field++)
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{
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$query .= ' ADD ('.$fields[key($fields)]['Declaration'].')';
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}
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}
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if (isset($changes['ChangedFields'])) {
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$fields = $changes['ChangedFields'];
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for($field = 0, reset($fields);
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$field < count($fields);
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next($fields), $field++)
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{
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$current_name = key($fields);
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if (isset($renamed_fields[$current_name])) {
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$field_name = $renamed_fields[$current_name];
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unset($renamed_fields[$current_name]);
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} else {
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$field_name = $current_name;
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}
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$change = '';
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$change_type = $change_default = 0;
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if (isset($fields[$current_name]['type'])) {
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$change_type = $change_default = 1;
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}
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if (isset($fields[$current_name]['length'])) {
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$change_type = 1;
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}
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if (isset($fields[$current_name]['ChangedDefault'])) {
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$change_default = 1;
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}
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if ($change_type) {
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$change .= ' '.$db->getTypeDeclaration($fields[$current_name]['Definition']);
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}
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if ($change_default) {
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$change .= ' DEFAULT '.(isset($fields[$current_name]['Definition']['default'])
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? $db->getFieldValue($fields[$current_name]['Definition']['type'], $fields[$current_name]['Definition']['default']) : 'NULL');
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}
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if (isset($fields[$current_name]['ChangedNotNull'])) {
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$change .= (isset($fields[$current_name]['notnull']) ? ' NOT' : '').' NULL';
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}
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if (strcmp($change, '')) {
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$query .= " MODIFY ($field_name$change)";
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}
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}
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}
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if($query != '' && MDB::isError($result = $db->query("ALTER TABLE $name $query"))) {
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return($result);
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}
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return(MDB_OK);
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}
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return($db->raiseError());
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}
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// }}}
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// {{{ listDatabases()
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/**
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* list all databases
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*
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* @param object $db database object that is extended by this class
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* @return mixed data array on success, a MDB error on failure
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* @access public
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*/
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function listDatabases(&$db)
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{
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345 |
$query = "SELECT table_name, tablespace_name FROM user_tables";
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|
346 |
return($db->queryCol($query));
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|
|
347 |
}
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|
|
348 |
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|
|
349 |
// }}}
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|
|
350 |
// {{{ listTables()
|
|
|
351 |
|
|
|
352 |
/**
|
|
|
353 |
* list all tables in the current database
|
|
|
354 |
*
|
|
|
355 |
* @param object $db database object that is extended by this class
|
|
|
356 |
* @return mixed data array on success, a MDB error on failure
|
|
|
357 |
* @access public
|
|
|
358 |
**/
|
|
|
359 |
function listTables(&$db)
|
|
|
360 |
{
|
|
|
361 |
$query = 'SELECT table_name FROM sys.user_tables';
|
|
|
362 |
return($db->queryCol($sql));
|
|
|
363 |
}
|
|
|
364 |
|
|
|
365 |
// }}}
|
|
|
366 |
// {{{ listTableFields()
|
|
|
367 |
|
|
|
368 |
/**
|
|
|
369 |
* list all fields in a tables in the current database
|
|
|
370 |
*
|
|
|
371 |
* @param object $db database object that is extended by this class
|
|
|
372 |
* @param string $table name of table that should be used in method
|
|
|
373 |
* @return mixed data array on success, a MDB error on failure
|
|
|
374 |
* @access public
|
|
|
375 |
*/
|
|
|
376 |
function listTableFields(&$db, $table)
|
|
|
377 |
{
|
|
|
378 |
$table = strtoupper($table);
|
|
|
379 |
$query = "SELECT column_name FROM user_tab_columns WHERE table_name='$table' ORDER BY column_id";
|
|
|
380 |
$columns = $db->queryCol($query);
|
|
|
381 |
if (MDB::isError($result)) {
|
|
|
382 |
return($result);
|
|
|
383 |
}
|
|
|
384 |
if ($db->options['optimize'] != 'portability') {
|
|
|
385 |
$columns = array_flip($columns);
|
|
|
386 |
$columns = array_change_key_case($columns, CASE_LOWER);
|
|
|
387 |
$columns = array_flip($columns);
|
|
|
388 |
}
|
|
|
389 |
return($columns);
|
|
|
390 |
}
|
|
|
391 |
|
|
|
392 |
// }}}
|
|
|
393 |
// {{{ createSequence()
|
|
|
394 |
|
|
|
395 |
/**
|
|
|
396 |
* create sequence
|
|
|
397 |
*
|
|
|
398 |
* @param object $dbs database object that is extended by this class
|
|
|
399 |
* @param string $seq_name name of the sequence to be created
|
|
|
400 |
* @param string $start start value of the sequence; default is 1
|
|
|
401 |
* @return mixed MDB_OK on success, a MDB error on failure
|
|
|
402 |
* @access public
|
|
|
403 |
*/
|
|
|
404 |
function createSequence(&$db, $seq_name, $start)
|
|
|
405 |
{
|
|
|
406 |
$sequence_name = $db->getSequenceName($seq_name);
|
|
|
407 |
return $db->query("CREATE SEQUENCE $sequence_name START WITH $start INCREMENT BY 1".
|
|
|
408 |
($start < 1 ? " MINVALUE $start" : ''));
|
|
|
409 |
}
|
|
|
410 |
|
|
|
411 |
// }}}
|
|
|
412 |
// {{{ dropSequence()
|
|
|
413 |
|
|
|
414 |
/**
|
|
|
415 |
* drop existing sequence
|
|
|
416 |
*
|
|
|
417 |
* @param object $dbs database object that is extended by this class
|
|
|
418 |
* @param string $seq_name name of the sequence to be dropped
|
|
|
419 |
* @return mixed MDB_OK on success, a MDB error on failure
|
|
|
420 |
* @access public
|
|
|
421 |
*/
|
|
|
422 |
function dropSequence(&$db, $seq_name)
|
|
|
423 |
{
|
|
|
424 |
$sequence_name = $db->getSequenceName($seq_name);
|
|
|
425 |
return($db->query("DROP SEQUENCE $sequence_name"));
|
|
|
426 |
}
|
|
|
427 |
}
|
|
|
428 |
|
|
|
429 |
};
|
|
|
430 |
?>
|