-<?php

-/***************************************************************************

- * msaccess.php

- * -------------------

- * begin : Saturday, Feb 13, 2001

- * copyright : (C) 2001 The phpBB Group

- * email : support@phpbb.com

- *

- * $Id$

- *

- ***************************************************************************/

-

-/***************************************************************************

- *

- * This program is free software; you can redistribute it and/or modify

- * it under the terms of the GNU General Public License as published by

- * the Free Software Foundation; either version 2 of the License, or

- * (at your option) any later version.

- *

- ***************************************************************************/

-

-if(!defined("SQL_LAYER"))

-{

-

-define("SQL_LAYER","msaccess");

-

-class sql_db

-{

-

- var $db_connect_id;

- var $result_ids = array();

- var $result;

-

- var $next_id;

-

- var $num_rows = array();

- var $current_row = array();

- var $field_names = array();

- var $field_types = array();

- var $result_rowset = array();

-

- var $num_queries = 0;

-

- //

- // Constructor

- //

- function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $persistency = true)

- {

- $this->persistency = $persistency;

- $this->server = $sqlserver;

- $this->user = $sqluser;

- $this->password = $sqlpassword;

- $this->dbname = $database;

-

- $this->db_connect_id = ($this->persistency) ? odbc_pconnect($this->server, $this->user, $this->password) : odbc_connect($this->server, $this->user, $this->password);

-

- return ( $this->db_connect_id ) ? $this->db_connect_id : false;

- }

- //

- // Other base methods

- //

- function sql_close()

- {

- if($this->db_connect_id)

- {

- if( $this->in_transaction )

- {

- @odbc_commit($this->db_connect_id);

- }

-

- if( count($this->result_rowset) )

- {

- unset($this->result_rowset);

- unset($this->field_names);

- unset($this->field_types);

- unset($this->num_rows);

- unset($this->current_row);

- }

-

- return @odbc_close($this->db_connect_id);

- }

- else

- {

- return false;

- }

- }

-

- //

- // Query method

- //

- function sql_query($query = "", $transaction = FALSE)

- {

- if( $query != "" )

- {

- $this->num_queries++;

-

- if( $transaction == BEGIN_TRANSACTION && !$this->in_transaction )

- {

- if( !odbc_autocommit($this->db_connect_id, false) )

- {

- return false;

- }

- $this->in_transaction = TRUE;

- }

-

- $query = str_replace("LOWER(", "LCASE(", $query);

-

- if( preg_match("/^SELECT(.*?)(LIMIT ([0-9]+)[, ]*([0-9]+)*)?$/s", $query, $limits) )

- {

- $query = $limits[1];

-

- if( !empty($limits[2]) )

- {

- $row_offset = ( $limits[4] ) ? $limits[3] : "";

- $num_rows = ( $limits[4] ) ? $limits[4] : $limits[3];

-

- $query = "TOP " . ( $row_offset + $num_rows ) . $query;

- }

-

- $this->result = odbc_exec($this->db_connect_id, "SELECT $query");

-

- if( $this->result )

- {

- if( empty($this->field_names[$this->result]) )

- {

- for($i = 1; $i < odbc_num_fields($this->result) + 1; $i++)

- {

- $this->field_names[$this->result][] = odbc_field_name($this->result, $i);

- $this->field_types[$this->result][] = odbc_field_type($this->result, $i);

- }

- }

-

- $this->current_row[$this->result] = 0;

- $this->result_rowset[$this->result] = array();

-

- $row_outer = ( isset($row_offset) ) ? $row_offset + 1 : 1;

- $row_outer_max = ( isset($num_rows) ) ? $row_offset + $num_rows + 1 : 1E9;

- $row_inner = 0;

-

- while( odbc_fetch_row($this->result, $row_outer) && $row_outer < $row_outer_max )

- {

- for($j = 0; $j < count($this->field_names[$this->result]); $j++)

- {

- $this->result_rowset[$this->result][$row_inner][$this->field_names[$this->result][$j]] = stripslashes(odbc_result($this->result, $j + 1));

- }

-

- $row_outer++;

- $row_inner++;

- }

-

- $this->num_rows[$this->result] = count($this->result_rowset[$this->result]);

-

- odbc_free_result($this->result);

- }

-

- }

- else if( eregi("^INSERT ", $query) )

- {

- $this->result = odbc_exec($this->db_connect_id, $query);

-

- if( $this->result )

- {

- $result_id = odbc_exec($this->db_connect_id, "SELECT @@IDENTITY");

- if( $result_id )

- {

- if( odbc_fetch_row($result_id) )

- {

- $this->next_id[$this->db_connect_id] = odbc_result($result_id, 1);

- $this->affected_rows[$this->db_connect_id] = odbc_num_rows($this->result);

- }

- }

- }

- }

- else

- {

- $this->result = odbc_exec($this->db_connect_id, $query);

-

- if( $this->result )

- {

- $this->affected_rows[$this->db_connect_id] = odbc_num_rows($this->result);

- }

- }

-

- if( !$this->result )

- {

- if( $this->in_transaction )

- {

- odbc_rollback($this->db_connect_id);

- odbc_autocommit($this->db_connect_id, true);

- $this->in_transaction = FALSE;

- }

-

- return false;

- }

-

- if( $transaction == END_TRANSACTION && $this->in_transaction )

- {

- $this->in_transaction = FALSE;

-

- if ( !@odbc_commit($this->db_connect_id) )

- {

- odbc_rollback($this->db_connect_id);

- odbc_autocommit($this->db_connect_id, true);

- return false;

- }

- odbc_autocommit($this->db_connect_id, true);

- }

-

- return $this->result;

- }

- else

- {

- if( $transaction == END_TRANSACTION && $this->in_transaction )

- {

- $this->in_transaction = FALSE;

-

- if ( !@odbc_commit($this->db_connect_id) )

- {

- odbc_rollback($this->db_connect_id);

- odbc_autocommit($this->db_connect_id, true);

- return false;

- }

- odbc_autocommit($this->db_connect_id, true);

- }

-

- return true;

- }

- }

-

- //

- // Other query methods

- //

- function sql_numrows($query_id = 0)

- {

- if( !$query_id )

- {

- $query_id = $this->result;

- }

-

- return ( $query_id ) ? $this->num_rows[$query_id] : false;

- }

-

- function sql_numfields($query_id = 0)

- {

- if( !$query_id )

- {

- $query_id = $this->result;

- }

-

- return ( $query_id ) ? count($this->field_names[$query_id]) : false;

- }

-

- function sql_fieldname($offset, $query_id = 0)

- {

- if( !$query_id )

- {

- $query_id = $this->result;

- }

-

- return ( $query_id ) ? $this->field_names[$query_id][$offset] : false;

- }

-

- function sql_fieldtype($offset, $query_id = 0)

- {

- if( !$query_id )

- {

- $query_id = $this->result;

- }

-

- return ( $query_id ) ? $this->field_types[$query_id][$offset] : false;

- }

-

- function sql_fetchrow($query_id = 0)

- {

- if( !$query_id )

- {

- $query_id = $this->result;

- }

-

- if( $query_id )

- {

- return ( $this->num_rows[$query_id] && $this->current_row[$query_id] < $this->num_rows[$query_id] ) ? $this->result_rowset[$query_id][$this->current_row[$query_id]++] : false;

- }

- else

- {

- return false;

- }

- }

-

- function sql_fetchrowset($query_id = 0)

- {

- if( !$query_id )

- {

- $query_id = $this->result;

- }

-

- if( $query_id )

- {

- return ( $this->num_rows[$query_id] ) ? $this->result_rowset[$query_id] : false;

- }

- else

- {

- return false;

- }

- }

-

- function sql_fetchfield($field, $row = -1, $query_id = 0)

- {

- if( !$query_id )

- {

- $query_id = $this->result;

- }

-

- if( $query_id )

- {

- if( $row < $this->num_rows[$query_id] )

- {

- $getrow = ($row == -1) ? $this->current_row[$query_id] - 1 : $row;

-

- return $this->result_rowset[$query_id][$getrow][$this->field_names[$query_id][$field]];

- }

- else

- {

- return false;

- }

- }

- else

- {

- return false;

- }

- }

-

- function sql_rowseek($offset, $query_id = 0)

- {

- if( !$query_id )

- {

- $query_id = $this->result;

- }

-

- if( $query_id )

- {

- $this->current_row[$query_id] = $offset - 1;

- return true;

- }

- else

- {

- return false;

- }

- }

-

- function sql_nextid()

- {

- return ( $this->next_id[$this->db_connect_id] ) ? $this->next_id[$this->db_connect_id] : false;

- }

-

- function sql_affectedrows()

- {

- return ( $this->affected_rows[$this->db_connect_id] ) ? $this->affected_rows[$this->db_connect_id] : false;

- }

-

- function sql_freeresult($query_id = 0)

- {

- if( !$query_id )

- {

- $query_id = $this->result;

- }

-

- unset($this->num_rows[$query_id]);

- unset($this->current_row[$query_id]);

- unset($this->result_rowset[$query_id]);

- unset($this->field_names[$query_id]);

- unset($this->field_types[$query_id]);

-

- return true;

- }

-

- function sql_error()

- {

- $error['code'] = "";//odbc_error($this->db_connect_id);

- $error['message'] = "Error";//odbc_errormsg($this->db_connect_id);

-

- return $error;

- }

-

-} // class sql_db

-

-} // if ... define

-

-?> \ No newline at end of file