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- <?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: peardb_wrapper.php,v 1.32.4.1 2004/01/08 13:43:02 lsmith Exp $
- //
-
- /*
- * The method mapErrorCode in each MDB_dbtype implementation maps
- * native error codes to one of these.
- *
- * If you add an error code here, make sure you also add a textual
- * version of it in DB::errorMessage().
- */
-
- define('DB_OK', MDB_OK);
- define('DB_ERROR', MDB_ERROR);
- define('DB_ERROR_SYNTAX', MDB_ERROR_SYNTAX);
- define('DB_ERROR_CONSTRAINT', MDB_ERROR_CONSTRAINT);
- define('DB_ERROR_NOT_FOUND', MDB_ERROR_NOT_FOUND);
- define('DB_ERROR_ALREADY_EXISTS', MDB_ERROR_ALREADY_EXISTS);
- define('DB_ERROR_UNSUPPORTED', MDB_ERROR_UNSUPPORTED);
- define('DB_ERROR_MISMATCH', MDB_ERROR_MISMATCH);
- define('DB_ERROR_INVALID', MDB_ERROR_INVALID);
- define('DB_ERROR_NOT_CAPABLE', MDB_ERROR_NOT_CAPABLE);
- define('DB_ERROR_TRUNCATED', MDB_ERROR_TRUNCATED);
- define('DB_ERROR_INVALID_NUMBER', MDB_ERROR_INVALID_NUMBER);
- define('DB_ERROR_INVALID_DATE', MDB_ERROR_INVALID_DATE);
- define('DB_ERROR_DIVZERO', MDB_ERROR_DIVZERO);
- define('DB_ERROR_NODBSELECTED', MDB_ERROR_NODBSELECTED);
- define('DB_ERROR_CANNOT_CREATE', MDB_ERROR_CANNOT_CREATE);
- define('DB_ERROR_CANNOT_DELETE', MDB_ERROR_CANNOT_DELETE);
- define('DB_ERROR_CANNOT_DROP', MDB_ERROR_CANNOT_DROP);
- define('DB_ERROR_NOSUCHTABLE', MDB_ERROR_NOSUCHTABLE);
- define('DB_ERROR_NOSUCHFIELD', MDB_ERROR_NOSUCHFIELD);
- define('DB_ERROR_NEED_MORE_DATA', MDB_ERROR_NEED_MORE_DATA);
- define('DB_ERROR_NOT_LOCKED', MDB_ERROR_NOT_LOCKED);
- define('DB_ERROR_VALUE_COUNT_ON_ROW', MDB_ERROR_VALUE_COUNT_ON_ROW);
- define('DB_ERROR_INVALID_DSN', MDB_ERROR_INVALID_DSN);
- define('DB_ERROR_CONNECT_FAILED', MDB_ERROR_CONNECT_FAILED);
- define('DB_ERROR_EXTENSION_NOT_FOUND', MDB_ERROR_EXTENSION_NOT_FOUND);
- define('DB_ERROR_ACCESS_VIOLATION', MDB_ERROR_ACCESS_VIOLATION);
- define('DB_ERROR_NOSUCHDB', MDB_ERROR_NOSUCHDB);
-
- define('DB_WARNING', -1000);
- define('DB_WARNING_READ_ONLY', -1001);
-
- define('DB_PARAM_SCALAR', MDB_PARAM_SCALAR);
- define('DB_PARAM_OPAQUE', MDB_PARAM_OPAQUE);
- define('DB_PARAM_MISC', MDB_PARAM_MISC);
-
- define('DB_BINMODE_PASSTHRU', MDB_BINMODE_PASSTHRU);
- define('DB_BINMODE_RETURN', MDB_BINMODE_RETURN);
- define('DB_BINMODE_CONVERT', MDB_BINMODE_CONVERT);
-
- define('DB_FETCHMODE_DEFAULT', MDB_FETCHMODE_DEFAULT);
- define('DB_FETCHMODE_ORDERED', MDB_FETCHMODE_ORDERED);
- define('DB_FETCHMODE_ASSOC', MDB_FETCHMODE_ASSOC);
- define('DB_FETCHMODE_OBJECT', 3);
- define('DB_FETCHMODE_FLIPPED', MDB_FETCHMODE_FLIPPED);
-
- define('DB_GETMODE_ORDERED', DB_FETCHMODE_ORDERED);
- define('DB_GETMODE_ASSOC', DB_FETCHMODE_ASSOC);
- define('DB_GETMODE_FLIPPED', DB_FETCHMODE_FLIPPED);
-
- define('DB_TABLEINFO_ORDER', MDB_TABLEINFO_ORDER);
- define('DB_TABLEINFO_ORDERTABLE', MDB_TABLEINFO_ORDERTABLE);
- define('DB_TABLEINFO_FULL', MDB_TABLEINFO_FULL);
-
- define('DB_AUTOQUERY_INSERT', 1);
- define('DB_AUTOQUERY_UPDATE', 2);
-
- /**
- * Wrapper that makes MDB behave like PEAR DB
- *
- * @package MDB
- * @category Database
- * @author Lukas Smith <smith@backendmedia.com>
- */
- class DB
- {
- function &factory($type)
- {
- $db =& MDB::factory($type);
- if(PEAR::isError($db)) {
- return($db);
- }
- $obj =& new MDB_PEAR_PROXY($db);
- return($obj);
- }
-
- function &connect($dsn, $options = FALSE)
- {
- if (!is_array($options) && $options) {
- $options['persistent'] = TRUE;
- }
- $db =& MDB::connect($dsn, $options);
- if(PEAR::isError($db)) {
- return($db);
- }
- $obj =& new MDB_PEAR_PROXY($db);
- return($obj);
- }
-
- function apiVersion()
- {
- return(2);
- }
-
- function isError($value)
- {
- return(MDB::isError($value));
- }
-
- function isManip($query)
- {
- return(MDB::isManip($query));
- }
-
- function errorMessage($value)
- {
- return(MDB::errorMessage($value));
- }
-
- function parseDSN($dsn)
- {
- return(MDB::parseDSN($dsn));
- }
-
- function assertExtension($name)
- {
- if (!extension_loaded($name)) {
- $dlext = OS_WINDOWS ? '.dll' : '.so';
- @dl($name . $dlext);
- }
- return extension_loaded($name);
- }
- }
-
- /**
- * MDB_Error implements a class for reporting portable database error
- * messages.
- *
- * @package MDB
- * @category Database
- * @author Stig Bakken <ssb@fast.no>
- */
- class DB_Error extends PEAR_Error
- {
- function DB_Error($code = DB_ERROR, $mode = PEAR_ERROR_RETURN,
- $level = E_USER_NOTICE, $debuginfo = NULL)
- {
- if (is_int($code)) {
- $this->PEAR_Error('DB Error: ' . DB::errorMessage($code), $code, $mode, $level, $debuginfo);
- } else {
- $this->PEAR_Error("DB Error: $code", DB_ERROR, $mode, $level, $debuginfo);
- }
- }
- }
-
- /**
- * Wrapper that makes MDB behave like PEAR DB
- *
- * @package MDB
- * @category Database
- * @author Lukas Smith <smith@backendmedia.com>
- */
- class DB_result
- {
- var $dbh;
- var $result;
- var $row_counter = NULL;
-
- var $limit_from = NULL;
-
- var $limit_count = NULL;
-
- function DB_result(&$dbh, $result)
- {
- $this->dbh = &$dbh;
- $this->result = $result;
- }
-
- function fetchRow($fetchmode = DB_FETCHMODE_DEFAULT, $rownum = 0)
- {
- $arr = $this->dbh->fetchInto($this->result, $fetchmode, $rownum);
- if(is_array($arr)) {
- return($arr);
- }
- else {
- return(NULL);
- }
- }
-
- function fetchInto(&$arr, $fetchmode = DB_FETCHMODE_DEFAULT, $rownum = 0)
- {
- $arr = $this->dbh->fetchInto($this->result, $fetchmode, $rownum);
- if(MDB::isError($arr)) {
- return($arr);
- }
- if($arr === NULL) {
- return($arr);
- }
- return(DB_OK);
- }
-
- function numCols()
- {
- return($this->dbh->numCols($this->result));
- }
-
- function numRows()
- {
- return($this->dbh->numRows($this->result));
- }
-
- function nextResult()
- {
- return($this->dbh->nextResult($this->result));
- }
-
- function free()
- {
- $err = $this->dbh->freeResult($this->result);
- if(MDB::isError($err)) {
- return($err);
- }
- $this->result = FALSE;
- return(TRUE);
- }
-
- function tableInfo($mode = NULL)
- {
- return($this->dbh->tableInfo($this->result, $mode));
- }
-
- function getRowCounter()
- {
- return($this->dbh->highest_fetched_row[$this->result]);
- }
- }
-
- class DB_row
- {
- function DB_row(&$arr)
- {
- for (reset($arr); $key = key($arr); next($arr)) {
- $this->$key = &$arr[$key];
- }
- }
- }
-
- class MDB_PEAR_PROXY
- {
- var $MDB_object;
-
- function MDB_PEAR_PROXY($MDB_object)
- {
- $this->MDB_object = $MDB_object;
- $this->MDB_object->sequence_prefix = '_seq_';
- }
-
- function connect($dsninfo, $persistent = FALSE)
- {
- return($this->MDB_object->connect($dsninfo, $persistent));
- }
-
- function disconnect()
- {
- return($this->MDB_object->disconnect());
- }
-
- function quoteString($string)
- {
- $string = $this->_quote($string);
- if ($string{0} == "'") {
- return substr($string, 1, -1);
- }
- return($string);
- }
-
- function quote($string)
- {
- if ($string === NULL) {
- return 'NULL';
- }
- return($this->MDB_object->_quote($string));
- }
-
- function provides($feature)
- {
- return($this->MDB_object->support($feature));
- }
-
- function errorCode($nativecode)
- {
- return($this->MDB_object->errorCode($nativecode));
- }
-
- function errorMessage($dbcode)
- {
- return($this->MDB_object->errorMessage($dbcode));
- }
-
- function &raiseError($code = DB_ERROR, $mode = NULL, $options = NULL,
- $userinfo = NULL, $nativecode = NULL)
- {
- return($this->MDB_object->raiseError($code = DB_ERROR, $mode, $options, $userinfo, $nativecode));
- }
-
- function setFetchMode($fetchmode, $object_class = NULL)
- {
- return($this->MDB_object->setFetchMode($fetchmode, $object_class));
- }
-
- function setOption($option, $value)
- {
- return($this->MDB_object->setOption($option, $value));
- }
-
- function getOption($option)
- {
- return($this->MDB_object->getOption($option));
- }
-
- function prepare($query)
- {
- return($this->MDB_object->prepareQuery($query));
- }
-
- function autoPrepare($table, $table_fields, $mode = DB_AUTOQUERY_INSERT, $where = false)
- {
- $query = $this->buildManipSQL($table, $table_fields, $mode, $where);
- return($this->prepare($query));
- }
-
- function autoExecute($table, $fields_values, $mode = DB_AUTOQUERY_INSERT, $where = false)
- {
- $sth = $this->autoPrepare($table, array_keys($fields_values), $mode, $where);
- return($this->execute($sth, array_values($fields_values)));
- }
-
- function buildManipSQL($table, $table_fields, $mode, $where = false)
- {
- if (count($table_fields) == 0) {
- $this->raiseError(DB_ERROR_NEED_MORE_DATA);
- }
- $first = true;
- switch ($mode) {
- case DB_AUTOQUERY_INSERT:
- $values = '';
- $names = '';
- while (list(, $value) = each($table_fields)) {
- if ($first) {
- $first = false;
- } else {
- $names .= ',';
- $values .= ',';
- }
- $names .= $value;
- $values .= '?';
- }
- return "INSERT INTO $table ($names) VALUES ($values)";
- break;
- case DB_AUTOQUERY_UPDATE:
- $set = '';
- while (list(, $value) = each($table_fields)) {
- if ($first) {
- $first = false;
- } else {
- $set .= ',';
- }
- $set .= "$value = ?";
- }
- $sql = "UPDATE $table SET $set";
- if ($where) {
- $sql .= " WHERE $where";
- }
- return($sql);
- break;
- default:
- $this->raiseError(DB_ERROR_SYNTAX);
- }
- }
-
- function execute($stmt, $data = FALSE)
- {
- $result = $this->MDB_object->execute($stmt, NULL, $data);
- if (MDB::isError($result) || $result === DB_OK) {
- return($result);
- } else {
- return new DB_result($this->MDB_object, $result);
- }
- }
-
- function executeMultiple( $stmt, &$data )
- {
- return($this->MDB_object->executeMultiple($stmt, NULL, $data));
- }
-
- function &query($query, $params = array()) {
- if (sizeof($params) > 0) {
- $sth = $this->MDB_object->prepare($query);
- if (MDB::isError($sth)) {
- return($sth);
- }
- return($this->MDB_object->execute($sth, $params));
- } else {
- $result = $this->MDB_object->query($query);
- if (MDB::isError($result) || $result === DB_OK) {
- return($result);
- } else {
- return new DB_result($this->MDB_object, $result);
- }
- }
- }
-
- function simpleQuery($query) {
- return($this->MDB_object->query($query));
- }
-
- function limitQuery($query, $from, $count)
- {
- $result = $this->MDB_object->limitQuery($query, NULL, $from, $count);
- if (MDB::isError($result) || $result === DB_OK) {
- return($result);
- } else {
- return new DB_result($this->MDB_object, $result);
- }
- }
-
- function &getOne($query, $params = array())
- {
- return($this->MDB_object->getOne($query, NULL, $params));
- }
-
- function &getRow($query,
- $params = NULL,
- $fetchmode = DB_FETCHMODE_DEFAULT)
- {
- return($this->MDB_object->getRow($query, NULL, $params, NULL, $fetchmode));
- }
-
- function &getCol($query, $col = 0, $params = array())
- {
- return($this->MDB_object->getCol($query, NULL, $params, NULL, $col));
- }
-
- function &getAssoc($query, $force_array = FALSE, $params = array(),
- $fetchmode = DB_FETCHMODE_ORDERED, $group = FALSE)
- {
- return($this->MDB_object->getAssoc($query, NULL, $params, NULL, $fetchmode, $force_array, $group));
- }
-
- function &getAll($query,
- $params = NULL,
- $fetchmode = DB_FETCHMODE_DEFAULT)
- {
- return($this->MDB_object->getAll($query, NULL, $params, NULL, $fetchmode));
- }
-
- function autoCommit($onoff = FALSE)
- {
- return($this->MDB_object->autoCommit($onoff));
- }
-
- function commit()
- {
- return($this->MDB_object->commit());
- }
-
- function rollback()
- {
- return($this->MDB_object->rollback());
- }
-
- function numRows($result)
- {
- return($this->MDB_object->numRows($result));
- }
-
- function affectedRows()
- {
- return($this->MDB_object->affectedRows());
- }
-
- function errorNative()
- {
- return($this->MDB_object->errorNative());
- }
-
- function nextId($seq_name, $ondemand = TRUE)
- {
- return($this->MDB_object->nextId($seq_name, $ondemand));
- }
-
- function createSequence($seq_name)
- {
- return($this->MDB_object->createSequence($seq_name, 1));
- }
-
- function dropSequence($seq_name)
- {
- return($this->MDB_object->dropSequence($seq_name));
- }
-
- function tableInfo($result, $mode = NULL)
- {
- return($this->MDB_object->tableInfo($result, $mode));
- }
-
- function getTables()
- {
- return($this->getListOf('tables'));
- }
-
- function getListOf($type)
- {
- switch ($type) {
- case 'tables':
- return($this->MDB_object->listTables());
- case 'views':
- return($this->MDB_object->listViews());
- case 'users':
- return($this->MDB_object->listUsers());
- case 'functions':
- return($this->MDB_object->listFunctions());
- case 'databases':
- return($this->MDB_object->listDatabases());
- default:
- return($this->raiseError(DB_ERROR_UNSUPPORTED));
- }
- }
- }
- ?>
-