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| Current File : //opt/cpanel/ea-php54/root/usr/share/pear/MDB/Modules/Manager/oci8.php |
<?php
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
// | MDB is a merge of PEAR DB and Metabases that provides a unified DB |
// | API as well as database abstraction for PHP applications. |
// | This LICENSE is in the BSD license style. |
// | |
// | Redistribution and use in source and binary forms, with or without |
// | modification, are permitted provided that the following conditions |
// | are met: |
// | |
// | Redistributions of source code must retain the above copyright |
// | notice, this list of conditions and the following disclaimer. |
// | |
// | Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution. |
// | |
// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
// | Lukas Smith nor the names of his contributors may be used to endorse |
// | or promote products derived from this software without specific prior|
// | written permission. |
// | |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
// | POSSIBILITY OF SUCH DAMAGE. |
// +----------------------------------------------------------------------+
// | Author: Lukas Smith <smith@backendmedia.com> |
// +----------------------------------------------------------------------+
// $Id: oci8.php,v 1.7.4.5 2004/04/10 08:02:21 lsmith Exp $
if (!defined('MDB_MANAGER_OCI8_INCLUDED')) {
define('MDB_MANAGER_OCI8_INCLUDED', 1);
require_once('MDB/Modules/Manager/Common.php');
/**
* MDB oci8 driver for the management modules
*
* @package MDB
* @category Database
* @author Lukas Smith <smith@backendmedia.com>
*/
class MDB_Manager_oci8 extends MDB_Manager_Common {
// {{{ createDatabase()
/**
* create a new database
*
* @param object $dbs database object that is extended by this class
* @param string $name name of the database that should be created
* @return mixed MDB_OK on success, a MDB error on failure
* @access public
*/
/*
function createDatabase(&$db, $name)
{
$user = $db->getOption('DBAUser');
if (MDB::isError($user)) {
return($db->raiseError(MDB_ERROR_INSUFFICIENT_DATA, NULL, NULL, 'Create database',
'it was not specified the Oracle DBAUser option'));
}
$password = $db->getOption('DBAPassword');
if (MDB::isError($password)) {
return($db->raiseError(MDB_ERROR_INSUFFICIENT_DATA, NULL, NULL, 'Create database',
'it was not specified the Oracle DBAPassword option'));
}
if (!MDB::isError($result = $db->connect($user, $password, 0))) {
$tablespace = $db->getOption('DefaultTablespace');
if(MDB::isError($tablespace)) {
$tablespace = '';
} else {
$tablespace = ' DEFAULT TABLESPACE '.$tablespace;
}
if (!MDB::isError($result = $db->_doQuery('CREATE USER '.$db->user.' IDENTIFIED BY '.$db->password.$tablespace))) {
if (!MDB::isError($result = $db->_doQuery('GRANT CREATE SESSION, CREATE TABLE,UNLIMITED TABLESPACE,CREATE SEQUENCE TO '.$db->user))) {
return(MDB_OK);
} else {
if (MDB::isError($result2 = $db->_doQuery('DROP USER '.$db->user.' CASCADE'))) {
return($db->raiseError(MDB_ERROR, '','', 'Create database',
'could not setup the database user ('.$result->getUserinfo().') and then could drop its records ('.$result2->getUserinfo().')'));
}
return($db->raiseError(MDB_ERROR, '','', 'Create database',
'could not setup the database user ('.$result->getUserinfo().')'));
}
}
}
return($result);
}
*/
// }}}
// {{{ dropDatabase()
/**
* drop an existing database
*
* @param object $dbs database object that is extended by this class
* @param string $name name of the database that should be dropped
* @return mixed MDB_OK on success, a MDB error on failure
* @access public
*/
/*
function dropDatabase(&$db, $name)
{
$user = $db->getOption('DBAUser');
if (MDB::isError($user)) {
return($db->raiseError(MDB_ERROR_INSUFFICIENT_DATA, NULL, NULL, 'Create database',
'it was not specified the Oracle DBAUser option'));
}
$password = $db->getOption('DBAPassword');
if (MDB::isError($password)) {
return($db->raiseError(MDB_ERROR_INSUFFICIENT_DATA, NULL, NULL, 'Create database',
'it was not specified the Oracle DBAPassword option'));
}
if (MDB::isError($db->connect($user, $password, 0))) {
return($result);
}
return($db->_doQuery('DROP USER '.$db->user.' CASCADE'));
}
*/
// }}}
// {{{ alterTable()
/**
* alter an existing table
*
* @param object $dbs database object that is extended by this class
* @param string $name name of the table that is intended to be changed.
* @param array $changes associative array that contains the details of each type
* of change that is intended to be performed. The types of
* changes that are currently supported are defined as follows:
*
* name
*
* New name for the table.
*
* AddedFields
*
* Associative array with the names of fields to be added as
* indexes of the array. The value of each entry of the array
* should be set to another associative array with the properties
* of the fields to be added. The properties of the fields should
* be the same as defined by the Metabase parser.
*
* Additionally, there should be an entry named Declaration that
* is expected to contain the portion of the field declaration already
* in DBMS specific SQL code as it is used in the CREATE TABLE statement.
*
* RemovedFields
*
* Associative array with the names of fields to be removed as indexes
* of the array. Currently the values assigned to each entry are ignored.
* An empty array should be used for future compatibility.
*
* RenamedFields
*
* Associative array with the names of fields to be renamed as indexes
* of the array. The value of each entry of the array should be set to
* another associative array with the entry named name with the new
* field name and the entry named Declaration that is expected to contain
* the portion of the field declaration already in DBMS specific SQL code
* as it is used in the CREATE TABLE statement.
*
* ChangedFields
*
* Associative array with the names of the fields to be changed as indexes
* of the array. Keep in mind that if it is intended to change either the
* name of a field and any other properties, the ChangedFields array entries
* should have the new names of the fields as array indexes.
*
* The value of each entry of the array should be set to another associative
* array with the properties of the fields to that are meant to be changed as
* array entries. These entries should be assigned to the new values of the
* respective properties. The properties of the fields should be the same
* as defined by the Metabase parser.
*
* If the default property is meant to be added, removed or changed, there
* should also be an entry with index ChangedDefault assigned to 1. Similarly,
* if the notNULL constraint is to be added or removed, there should also be
* an entry with index ChangedNotNull assigned to 1.
*
* Additionally, there should be an entry named Declaration that is expected
* to contain the portion of the field changed declaration already in DBMS
* specific SQL code as it is used in the CREATE TABLE statement.
* Example
* array(
* 'name' => 'userlist',
* 'AddedFields' => array(
* 'quota' => array(
* 'type' => 'integer',
* 'unsigned' => 1
* 'Declaration' => 'quota INT'
* )
* ),
* 'RemovedFields' => array(
* 'file_limit' => array(),
* 'time_limit' => array()
* ),
* 'ChangedFields' => array(
* 'gender' => array(
* 'default' => 'M',
* 'ChangeDefault' => 1,
* 'Declaration' => "gender CHAR(1) DEFAULT 'M'"
* )
* ),
* 'RenamedFields' => array(
* 'sex' => array(
* 'name' => 'gender',
* 'Declaration' => "gender CHAR(1) DEFAULT 'M'"
* )
* )
* )
* @param boolean $check indicates whether the function should just check if the DBMS driver
* can perform the requested table alterations if the value is TRUE or
* actually perform them otherwise.
* @access public
* @return mixed MDB_OK on success, a MDB error on failure
*/
function alterTable(&$db, $name, $changes, $check)
{
if ($check) {
for($change = 0, reset($changes);
$change < count($changes);
next($changes), $change++)
{
switch (key($changes)) {
case 'AddedFields':
case 'RemovedFields':
case 'ChangedFields':
case 'name':
break;
case 'RenamedFields':
default:
return($db->raiseError(MDB_ERROR, NULL, NULL, 'Alter table',
'change type "'.key($changes).'" not yet supported'));
}
}
return(MDB_OK);
} else {
if (isset($changes['RemovedFields'])) {
$query = ' DROP (';
$fields = $changes['RemovedFields'];
for($field = 0, reset($fields);
$field < count($fields);
next($fields), $field++)
{
if ($field > 0) {
$query .= ', ';
}
$query .= key($fields);
}
$query .= ')';
if (MDB::isError($result = $db->query("ALTER TABLE $name $query"))) {
return($result);
}
$query = '';
}
$query = (isset($changes['name']) ? 'RENAME TO '.$changes['name'] : '');
if (isset($changes['AddedFields'])) {
$fields = $changes['AddedFields'];
for($field = 0, reset($fields);
$field < count($fields);
next($fields), $field++)
{
$query .= ' ADD ('.$fields[key($fields)]['Declaration'].')';
}
}
if (isset($changes['ChangedFields'])) {
$fields = $changes['ChangedFields'];
for($field = 0, reset($fields);
$field < count($fields);
next($fields), $field++)
{
$current_name = key($fields);
if (isset($renamed_fields[$current_name])) {
$field_name = $renamed_fields[$current_name];
unset($renamed_fields[$current_name]);
} else {
$field_name = $current_name;
}
$change = '';
$change_type = $change_default = 0;
if (isset($fields[$current_name]['type'])) {
$change_type = $change_default = 1;
}
if (isset($fields[$current_name]['length'])) {
$change_type = 1;
}
if (isset($fields[$current_name]['ChangedDefault'])) {
$change_default = 1;
}
if ($change_type) {
$change .= ' '.$db->getTypeDeclaration($fields[$current_name]['Definition']);
}
if ($change_default) {
$change .= ' DEFAULT '.(isset($fields[$current_name]['Definition']['default'])
? $db->getFieldValue($fields[$current_name]['Definition']['type'], $fields[$current_name]['Definition']['default']) : 'NULL');
}
if (isset($fields[$current_name]['ChangedNotNull'])) {
$change .= (isset($fields[$current_name]['notnull']) ? ' NOT' : '').' NULL';
}
if (strcmp($change, '')) {
$query .= " MODIFY ($field_name$change)";
}
}
}
if($query != '' && MDB::isError($result = $db->query("ALTER TABLE $name $query"))) {
return($result);
}
return(MDB_OK);
}
return($db->raiseError());
}
// }}}
// {{{ listDatabases()
/**
* list all databases
*
* @param object $db database object that is extended by this class
* @return mixed data array on success, a MDB error on failure
* @access public
*/
function listDatabases(&$db)
{
$query = "SELECT table_name, tablespace_name FROM user_tables";
return($db->queryCol($query));
}
// }}}
// {{{ listTables()
/**
* list all tables in the current database
*
* @param object $db database object that is extended by this class
* @return mixed data array on success, a MDB error on failure
* @access public
**/
function listTables(&$db)
{
$query = 'SELECT table_name FROM sys.user_tables';
return($db->queryCol($sql));
}
// }}}
// {{{ listTableFields()
/**
* list all fields in a tables in the current database
*
* @param object $db database object that is extended by this class
* @param string $table name of table that should be used in method
* @return mixed data array on success, a MDB error on failure
* @access public
*/
function listTableFields(&$db, $table)
{
$table = strtoupper($table);
$query = "SELECT column_name FROM user_tab_columns WHERE table_name='$table' ORDER BY column_id";
$columns = $db->queryCol($query);
if (MDB::isError($result)) {
return($result);
}
if ($db->options['optimize'] != 'portability') {
$columns = array_flip($columns);
$columns = array_change_key_case($columns, CASE_LOWER);
$columns = array_flip($columns);
}
return($columns);
}
// }}}
// {{{ createSequence()
/**
* create sequence
*
* @param object $dbs database object that is extended by this class
* @param string $seq_name name of the sequence to be created
* @param string $start start value of the sequence; default is 1
* @return mixed MDB_OK on success, a MDB error on failure
* @access public
*/
function createSequence(&$db, $seq_name, $start)
{
$sequence_name = $db->getSequenceName($seq_name);
return $db->query("CREATE SEQUENCE $sequence_name START WITH $start INCREMENT BY 1".
($start < 1 ? " MINVALUE $start" : ''));
}
// }}}
// {{{ dropSequence()
/**
* drop existing sequence
*
* @param object $dbs database object that is extended by this class
* @param string $seq_name name of the sequence to be dropped
* @return mixed MDB_OK on success, a MDB error on failure
* @access public
*/
function dropSequence(&$db, $seq_name)
{
$sequence_name = $db->getSequenceName($seq_name);
return($db->query("DROP SEQUENCE $sequence_name"));
}
}
};
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