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authorthomascube <thomas@roundcube.net>2006-05-18 17:49:20 +0000
committerthomascube <thomas@roundcube.net>2006-05-18 17:49:20 +0000
commit4aaddb32e1bd1a7833478f1fd4194507dba2c924 (patch)
treec15cb8f865c862e7f7686262b8c4ba76a507043f /program/lib/MDB2/Driver/mssql.php
parentaadfa1f1dc38fdac3b57c623bcf8e2210189a5c8 (diff)
Removed MDB2 classes; install seperately
Diffstat (limited to 'program/lib/MDB2/Driver/mssql.php')
-rwxr-xr-xprogram/lib/MDB2/Driver/mssql.php766
1 files changed, 0 insertions, 766 deletions
diff --git a/program/lib/MDB2/Driver/mssql.php b/program/lib/MDB2/Driver/mssql.php
deleted file mode 100755
index 9134654e6..000000000
--- a/program/lib/MDB2/Driver/mssql.php
+++ /dev/null
@@ -1,766 +0,0 @@
-<?php
-// vim: set et ts=4 sw=4 fdm=marker:
-// +----------------------------------------------------------------------+
-// | PHP versions 4 and 5 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, |
-// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann |
-// | All rights reserved. |
-// +----------------------------------------------------------------------+
-// | MDB2 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: Frank M. Kromann <frank@kromann.info> |
-// +----------------------------------------------------------------------+
-//
-// $Id$
-//
-// {{{ Class MDB2_Driver_mssql
-/**
- * MDB2 MSSQL Server driver
- *
- * @package MDB2
- * @category Database
- * @author Frank M. Kromann <frank@kromann.info>
- */
-class MDB2_Driver_mssql extends MDB2_Driver_Common
-{
- // {{{ properties
- var $escape_quotes = "'";
-
- // }}}
- // {{{ constructor
-
- /**
- * Constructor
- */
- function __construct()
- {
- parent::__construct();
-
- $this->phptype = 'mssql';
- $this->dbsyntax = 'mssql';
-
- $this->supported['sequences'] = 'emulated';
- $this->supported['indexes'] = true;
- $this->supported['affected_rows'] = true;
- $this->supported['transactions'] = true;
- $this->supported['summary_functions'] = true;
- $this->supported['order_by_text'] = true;
- $this->supported['current_id'] = 'emulated';
- $this->supported['limit_queries'] = 'emulated';
- $this->supported['LOBs'] = true;
- $this->supported['replace'] = 'emulated';
- $this->supported['sub_selects'] = true;
- $this->supported['auto_increment'] = true;
- $this->supported['primary_key'] = true;
-
- $this->options['database_device'] = false;
- $this->options['database_size'] = false;
- }
-
- // }}}
- // {{{ errorInfo()
-
- /**
- * This method is used to collect information about an error
- *
- * @param integer $error
- * @return array
- * @access public
- */
- function errorInfo($error = null)
- {
- $native_code = null;
- if ($this->connection) {
- $result = @mssql_query('select @@ERROR as ErrorCode', $this->connection);
- if ($result) {
- $native_code = @mssql_result($result, 0, 0);
- @mssql_free_result($result);
- }
- }
- $native_msg = @mssql_get_last_message();
- if (is_null($error)) {
- static $ecode_map;
- if (empty($ecode_map)) {
- $ecode_map = array(
- 110 => MDB2_ERROR_VALUE_COUNT_ON_ROW,
- 155 => MDB2_ERROR_NOSUCHFIELD,
- 170 => MDB2_ERROR_SYNTAX,
- 207 => MDB2_ERROR_NOSUCHFIELD,
- 208 => MDB2_ERROR_NOSUCHTABLE,
- 245 => MDB2_ERROR_INVALID_NUMBER,
- 515 => MDB2_ERROR_CONSTRAINT_NOT_NULL,
- 547 => MDB2_ERROR_CONSTRAINT,
- 1913 => MDB2_ERROR_ALREADY_EXISTS,
- 2627 => MDB2_ERROR_CONSTRAINT,
- 2714 => MDB2_ERROR_ALREADY_EXISTS,
- 3701 => MDB2_ERROR_NOSUCHTABLE,
- 8134 => MDB2_ERROR_DIVZERO,
- );
- }
- if (isset($ecode_map[$native_code])) {
- if ($native_code == 3701
- && preg_match('/Cannot drop the index/i', $native_msg)
- ) {
- $error = MDB2_ERROR_NOT_FOUND;
- } else {
- $error = $ecode_map[$native_code];
- }
- }
- }
- return array($error, $native_code, $native_msg);
- }
-
- // }}}
- // {{{ quoteIdentifier()
-
- /**
- * Quote a string so it can be safely used as a table / column name
- *
- * Quoting style depends on which database driver is being used.
- *
- * @param string $str identifier name to be quoted
- *
- * @return string quoted identifier string
- *
- * @since 1.6.0
- * @access public
- */
- function quoteIdentifier($str)
- {
- return '[' . str_replace(']', ']]', $str) . ']';
- }
-
- // }}}
- // {{{ beginTransaction()
-
- /**
- * Start a transaction.
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function beginTransaction()
- {
- $this->debug('starting transaction', 'beginTransaction');
- if ($this->in_transaction) {
- return MDB2_OK; //nothing to do
- }
- if (!$this->destructor_registered && $this->opened_persistent) {
- $this->destructor_registered = true;
- register_shutdown_function('MDB2_closeOpenTransactions');
- }
- $result = $this->_doQuery('BEGIN TRANSACTION', true);
- if (PEAR::isError($result)) {
- return $result;
- }
- $this->in_transaction = true;
- return MDB2_OK;
- }
-
- // }}}
- // {{{ commit()
-
- /**
- * Commit the database changes done during a transaction that is in
- * progress.
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function commit()
- {
- $this->debug('commit transaction', 'commit');
- if (!$this->in_transaction) {
- return $this->raiseError(MDB2_ERROR, null, null,
- 'commit: transaction changes are being auto committed');
- }
- $result = $this->_doQuery('COMMIT TRANSACTION', true);
- if (PEAR::isError($result)) {
- return $result;
- }
- $this->in_transaction = false;
- return MDB2_OK;
- }
-
- // }}}
- // {{{ rollback()
-
- /**
- * Cancel any database changes done during a transaction that is in
- * progress.
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function rollback()
- {
- $this->debug('rolling back transaction', 'rollback');
- if (!$this->in_transaction) {
- return $this->raiseError(MDB2_ERROR, null, null,
- 'rollback: transactions can not be rolled back when changes are auto committed');
- }
- $result = $this->_doQuery('ROLLBACK TRANSACTION', true);
- if (PEAR::isError($result)) {
- return $result;
- }
- $this->in_transaction = false;
- return MDB2_OK;
- }
-
- // }}}
- // {{{ connect()
-
- /**
- * Connect to the database
- *
- * @return true on success, MDB2 Error Object on failure
- */
- function connect()
- {
- if (is_resource($this->connection)) {
- if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
- && $this->opened_persistent == $this->options['persistent']
- ) {
- return MDB2_OK;
- }
- $this->disconnect(false);
- }
-
- if (!PEAR::loadExtension($this->phptype)) {
- return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- 'connect: extension '.$this->phptype.' is not compiled into PHP');
- }
-
- $params = array(
- $this->dsn['hostspec'] ? $this->dsn['hostspec'] : 'localhost',
- $this->dsn['username'] ? $this->dsn['username'] : null,
- $this->dsn['password'] ? $this->dsn['password'] : null,
- );
- if ($this->dsn['port']) {
- $params[0].= ((substr(PHP_OS, 0, 3) == 'WIN') ? ',' : ':')
- . $this->dsn['port'];
- }
-
- $connect_function = $this->options['persistent'] ? 'mssql_pconnect' : 'mssql_connect';
-
- $connection = @call_user_func_array($connect_function, $params);
- if ($connection <= 0) {
- return $this->raiseError(MDB2_ERROR_CONNECT_FAILED);
- }
-
- $this->connection = $connection;
- $this->connected_dsn = $this->dsn;
- $this->connected_database_name = '';
- $this->opened_persistent = $this->options['persistent'];
- $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
-
- if ((bool) ini_get('mssql.datetimeconvert')) {
- ini_set('mssql.datetimeconvert', '0');
- }
- @mssql_query('SET DATEFORMAT ymd', $this->connection);
-
- return MDB2_OK;
- }
-
- // }}}
- // {{{ disconnect()
-
- /**
- * Log out and disconnect from the database.
- *
- * @return mixed true on success, false if not connected and error
- * object on error
- * @access public
- */
- function disconnect($force = true)
- {
- if (is_resource($this->connection)) {
- if (!$this->opened_persistent || $force) {
- @mssql_close($this->connection);
- }
- $this->connection = 0;
- }
- return MDB2_OK;
- }
-
- // }}}
- // {{{ _doQuery()
-
- /**
- * Execute a query
- * @param string $query query
- * @param boolean $isManip if the query is a manipulation query
- * @param resource $connection
- * @param string $database_name
- * @return result or error object
- * @access protected
- */
- function _doQuery($query, $isManip = false, $connection = null, $database_name = null)
- {
- $this->last_query = $query;
- $this->debug($query, 'query');
- if ($this->getOption('disable_query')) {
- if ($isManip) {
- return 0;
- }
- return null;
- }
-
- if (is_null($connection)) {
- $err = $this->connect();
- if (PEAR::isError($err)) {
- return $err;
- }
- $connection = $this->connection;
- }
- if (is_null($database_name)) {
- $database_name = $this->database_name;
- }
-
- if ($database_name) {
- if ($database_name != $this->connected_database_name) {
- if (!@mssql_select_db($database_name, $connection)) {
- return $this->raiseError();
- }
- $this->connected_database_name = $database_name;
- }
- }
-
- $result = @mssql_query($query, $connection);
- if (!$result) {
- return $this->raiseError();
- }
-
- if ($isManip) {
- return @mssql_rows_affected($connection);
- }
- return $result;
- }
-
- // }}}
- // {{{ _modifyQuery()
-
- /**
- * Changes a query string for various DBMS specific reasons
- *
- * @param string $query query to modify
- * @return the new (modified) query
- * @access protected
- */
- function _modifyQuery($query, $isManip, $limit, $offset)
- {
- if ($limit > 0) {
- $fetch = $offset + $limit;
- if (!$isManip) {
- return preg_replace('/^([\s(])*SELECT(?!\s*TOP\s*\()/i',
- "\\1SELECT TOP $fetch", $query);
- }
- }
- return $query;
- }
- // }}}
- // {{{ _checkSequence
- /**
- * Checks if there's a sequence that exists.
- *
- * @param string $seq_name The sequence name to verify.
- * @return bool $tableExists The value if the table exists or not
- * @access private
- */
- function _checkSequence($seq_name)
- {
- $query = "SELECT * FROM $seq_name";
- $tableExists = $this->_doQuery($query, true);
- if (PEAR::isError($tableExists)) {
- if ($tableExists->getCode() == MDB2_ERROR_NOSUCHTABLE) {
- return 0;
- }
- } else {
- return 1;
- }
- }
- // }}}
- // {{{ nextID()
-
- /**
- * returns the next free id of a sequence
- *
- * @param string $seq_name name of the sequence
- * @param boolean $ondemand when true the seqence is
- * automatic created, if it
- * not exists
- *
- * @return mixed MDB2 Error Object or id
- * @access public
- */
- function nextID($seq_name, $ondemand = true)
- {
- $sequence_name = $this->getSequenceName($seq_name);
- if (!$this->_checkSequence($sequence_name)) {
- $query = "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (0)";
- } else {
- $query = "SET IDENTITY_INSERT $sequence_name ON ".
- "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (0)";
- }
- $this->expectError(MDB2_ERROR_NOSUCHTABLE);
- $result = $this->_doQuery($query, true);
- $this->popExpect();
- if (PEAR::isError($result)) {
- if ($ondemand && !$this->_checkSequence($sequence_name)) {
- $this->loadModule('Manager');
- // Since we are creating the sequence on demand
- // we know the first id = 1 so initialize the
- // sequence at 2
- $result = $this->manager->createSequence($seq_name, 2);
- if (PEAR::isError($result)) {
- return $this->raiseError(MDB2_ERROR, null, null,
- 'nextID: on demand sequence '.$seq_name.' could not be created');
- } else {
- // First ID of a newly created sequence is 1
- return 1;
- }
- }
- return $result;
- }
-
- // TODO: Make sure that this works.
- $value = $this->queryRow("SELECT @@IDENTITY", 'integer');
- if (is_numeric($value)) {
- $query = "DELETE FROM $sequence_name WHERE ".
- $this->options['seqcol_name']." < $value";
- $result = $this->_doQuery($query, true);
-
- if (PEAR::isError($result)) {
- $this->warnings[] = 'nextID: could not delete previous sequence table values';
- }
- }
- return $value;
- }
- // }}}
- // {{{ lastInsertID()
- /**
- * returns the autoincrement ID if supported or $id
- *
- * @param mixed $id value as returned by getBeforeId()
- * @param string $table name of the table into which a new row was inserted
- * @return mixed MDB2 Error Object or id
- * @access public
- */
- function lastInsertID($table = null, $field = null)
- {
- return $this->queryOne("SELECT @@IDENTITY FROM $table", 'integer');
- }
- // }}}
-}
-// }}}
-// {{{ Class MDB2_Result_mssql
-
-class MDB2_Result_mssql extends MDB2_Result_Common
-{
- // {{{ _skipLimitOffset()
-
- /**
- * Skip the first row of a result set.
- *
- * @param resource $result
- * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
- * @access protected
- */
- function _skipLimitOffset()
- {
- if ($this->limit) {
- if ($this->rownum >= $this->limit) {
- return false;
- }
- }
- if ($this->offset) {
- while ($this->offset_count < $this->offset) {
- ++$this->offset_count;
- if (!is_array(@mysql_fetch_row($this->result))) {
- $this->offset_count = $this->limit;
- return false;
- }
- }
- }
- return MDB2_OK;
- }
-
- // }}}
- // {{{ fetchRow()
-
- /**
- * Fetch a row and insert the data into an existing array.
- *
- * @param int $fetchmode how the array data should be indexed
- * @param int $rownum number of the row where the data can be found
- * @return int data array on success, a MDB2 error on failure
- * @access public
- */
- function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
- {
- if (!$this->_skipLimitOffset()) {
- $null = null;
- return $null;
- }
- if (!is_null($rownum)) {
- $seek = $this->seek($rownum);
- if (PEAR::isError($seek)) {
- return $seek;
- }
- }
- if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
- $fetchmode = $this->db->fetchmode;
- }
- if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
- $row = @mssql_fetch_assoc($this->result);
- if (is_array($row)
- && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
- ) {
- $row = array_change_key_case($row, $this->db->options['field_case']);
- }
- } else {
- $row = @mssql_fetch_row($this->result);
- }
- if (!$row) {
- if (is_null($this->result)) {
- $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'fetchRow: resultset has already been freed');
- return $err;
- }
- $null = null;
- return $null;
- }
- if ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) {
- $this->db->_fixResultArrayValues($row, MDB2_PORTABILITY_EMPTY_TO_NULL);
- }
- if (!empty($this->values)) {
- $this->_assignBindColumns($row);
- }
- if (!empty($this->types)) {
- $row = $this->db->datatype->convertResultRow($this->types, $row);
- }
- if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
- $object_class = $this->db->options['fetch_class'];
- if ($object_class == 'stdClass') {
- $row = (object) $row;
- } else {
- $row = &new $object_class($row);
- }
- }
- ++$this->rownum;
- return $row;
- }
-
- // }}}
- // {{{ _getColumnNames()
-
- /**
- * Retrieve the names of columns returned by the DBMS in a query result.
- *
- * @param resource $result result identifier
- * @return mixed an associative array variable
- * that will hold the names of columns. The
- * indexes of the array are the column names
- * mapped to lower case and the values are the
- * respective numbers of the columns starting
- * from 0. Some DBMS may not return any
- * columns when the result set does not
- * contain any rows.
- *
- * a MDB2 error on failure
- * @access private
- */
- function _getColumnNames()
- {
- $columns = array();
- $numcols = $this->numCols();
- if (PEAR::isError($numcols)) {
- return $numcols;
- }
- for ($column = 0; $column < $numcols; $column++) {
- $column_name = @mssql_field_name($this->result, $column);
- $columns[$column_name] = $column;
- }
- if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $columns = array_change_key_case($columns, $this->db->options['field_case']);
- }
- return $columns;
- }
-
- // }}}
- // {{{ numCols()
-
- /**
- * Count the number of columns returned by the DBMS in a query result.
- *
- * @return mixed integer value with the number of columns, a MDB2 error
- * on failure
- * @access public
- */
- function numCols()
- {
- $cols = @mssql_num_fields($this->result);
- if (is_null($cols)) {
- if (is_null($this->result)) {
- return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'numCols: resultset has already been freed');
- }
- return $this->db->raiseError();
- }
- return $cols;
- }
-
- // }}}
- // {{{ nextResult()
-
- /**
- * Move the internal result pointer to the next available result
- * Currently not supported
- *
- * @return true if a result is available otherwise return false
- * @access public
- */
- function nextResult()
- {
- if (is_null($this->result)) {
- return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'nextResult: resultset has already been freed');
- }
- return @mssql_next_result($this->result);
- }
-
- // }}}
- // {{{ free()
-
- /**
- * Free the internal resources associated with $result.
- *
- * @return boolean true on success, false if $result is invalid
- * @access public
- */
- function free()
- {
- $free = @mssql_free_result($this->result);
- if (!$free) {
- if (is_null($this->result)) {
- return MDB2_OK;
- }
- return $this->db->raiseError();
- }
- $this->result = null;
- return MDB2_OK;
- }
-}
-
-class MDB2_BufferedResult_mssql extends MDB2_Result_mssql
-{
- // }}}
- // {{{ seek()
-
- /**
- * seek to a specific row in a result set
- *
- * @param int $rownum number of the row where the data can be found
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function seek($rownum = 0)
- {
- if ($this->rownum != ($rownum - 1) && !@mssql_data_seek($this->result, $rownum)) {
- if (is_null($this->result)) {
- return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'seek: resultset has already been freed');
- }
- return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
- 'seek: tried to seek to an invalid row number ('.$rownum.')');
- }
- $this->rownum = $rownum - 1;
- return MDB2_OK;
- }
-
- // {{{ valid()
-
- /**
- * check if the end of the result set has been reached
- *
- * @return mixed true or false on sucess, a MDB2 error on failure
- * @access public
- */
- function valid()
- {
- $numrows = $this->numRows();
- if (PEAR::isError($numrows)) {
- return $numrows;
- }
- return $this->rownum < ($numrows - 1);
- }
-
- // }}}
- // {{{ numRows()
-
- /**
- * returns the number of rows in a result object
- *
- * @return mixed MDB2 Error Object or the number of rows
- * @access public
- */
- function numRows()
- {
- $rows = @mssql_num_rows($this->result);
- if (is_null($rows)) {
- if (is_null($this->result)) {
- return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'numRows: resultset has already been freed');
- }
- return $this->raiseError();
- }
- if ($this->limit) {
- $rows -= $this->limit;
- if ($rows < 0) {
- $rows = 0;
- }
- }
- return $rows;
- }
-}
-// }}}
-// {{{ MDB2_Statement_mssql
-class MDB2_Statement_mssql extends MDB2_Statement_Common
-{
-
-}
-// }}}
-
-?>