0,0 → 1,421 |
<?php |
/*************************************************************************** |
* db2.php |
* ------------------- |
* begin : Saturday, Feb 13, 2001 |
* copyright : (C) 2001 The phpBB Group |
* email : support@phpbb.com |
* |
* $Id: db2.php,v 1.2 2002/01/28 17:24:45 psotfx Exp $ |
* |
***************************************************************************/ |
|
/*************************************************************************** |
* |
* 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","db2"); |
|
class sql_db |
{ |
|
var $db_connect_id; |
var $query_result; |
var $query_resultset; |
var $query_numrows; |
var $next_id; |
var $row = array(); |
var $rowset = array(); |
var $row_index; |
var $num_queries = 0; |
|
// |
// Constructor |
// |
function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $persistency = true) |
{ |
$this->persistency = $persistency; |
$this->user = $sqluser; |
$this->password = $sqlpassword; |
$this->dbname = $database; |
|
$this->server = $sqlserver; |
|
if($this->persistency) |
{ |
$this->db_connect_id = odbc_pconnect($this->server, "", ""); |
} |
else |
{ |
$this->db_connect_id = odbc_connect($this->server, "", ""); |
} |
|
if($this->db_connect_id) |
{ |
@odbc_autocommit($this->db_connect_id, off); |
|
return $this->db_connect_id; |
} |
else |
{ |
return false; |
} |
} |
// |
// Other base methods |
// |
function sql_close() |
{ |
if($this->db_connect_id) |
{ |
if($this->query_result) |
{ |
@odbc_free_result($this->query_result); |
} |
$result = @odbc_close($this->db_connect_id); |
return $result; |
} |
else |
{ |
return false; |
} |
} |
|
|
// |
// Query method |
// |
function sql_query($query = "", $transaction = FALSE) |
{ |
// |
// Remove any pre-existing queries |
// |
unset($this->query_result); |
unset($this->row); |
if($query != "") |
{ |
$this->num_queries++; |
|
if(!eregi("^INSERT ",$query)) |
{ |
if(eregi("LIMIT", $query)) |
{ |
preg_match("/^(.*)LIMIT ([0-9]+)[, ]*([0-9]+)*/s", $query, $limits); |
|
$query = $limits[1]; |
if($limits[3]) |
{ |
$row_offset = $limits[2]; |
$num_rows = $limits[3]; |
} |
else |
{ |
$row_offset = 0; |
$num_rows = $limits[2]; |
} |
|
$query .= " FETCH FIRST ".($row_offset+$num_rows)." ROWS ONLY OPTIMIZE FOR ".($row_offset+$num_rows)." ROWS"; |
|
$this->query_result = odbc_exec($this->db_connect_id, $query); |
|
$query_limit_offset = $row_offset; |
$this->result_numrows[$this->query_result] = $num_rows; |
} |
else |
{ |
$this->query_result = odbc_exec($this->db_connect_id, $query); |
|
$row_offset = 0; |
$this->result_numrows[$this->query_result] = 5E6; |
} |
|
$result_id = $this->query_result; |
if($this->query_result && eregi("^SELECT", $query)) |
{ |
|
for($i = 1; $i < odbc_num_fields($result_id)+1; $i++) |
{ |
$this->result_field_names[$result_id][] = odbc_field_name($result_id, $i); |
} |
|
$i = $row_offset + 1; |
$k = 0; |
while(odbc_fetch_row($result_id, $i) && $k < $this->result_numrows[$result_id]) |
{ |
|
for($j = 1; $j < count($this->result_field_names[$result_id])+1; $j++) |
{ |
$this->result_rowset[$result_id][$k][$this->result_field_names[$result_id][$j-1]] = odbc_result($result_id, $j); |
} |
$i++; |
$k++; |
} |
|
$this->result_numrows[$result_id] = $k; |
$this->row_index[$result_id] = 0; |
} |
else |
{ |
$this->result_numrows[$result_id] = @odbc_num_rows($result_id); |
$this->row_index[$result_id] = 0; |
} |
} |
else |
{ |
if(eregi("^(INSERT|UPDATE) ", $query)) |
{ |
$query = preg_replace("/\\\'/s", "''", $query); |
} |
|
$this->query_result = odbc_exec($this->db_connect_id, $query); |
|
if($this->query_result) |
{ |
$sql_id = "VALUES(IDENTITY_VAL_LOCAL())"; |
|
$id_result = odbc_exec($this->db_connect_id, $sql_id); |
if($id_result) |
{ |
$row_result = odbc_fetch_row($id_result); |
if($row_result) |
{ |
$this->next_id[$this->query_result] = odbc_result($id_result, 1); |
} |
} |
} |
|
odbc_commit($this->db_connect_id); |
|
$this->query_limit_offset[$this->query_result] = 0; |
$this->result_numrows[$this->query_result] = 0; |
} |
|
return $this->query_result; |
} |
else |
{ |
return false; |
} |
} |
|
// |
// Other query methods |
// |
function sql_numrows($query_id = 0) |
{ |
if(!$query_id) |
{ |
$query_id = $this->query_result; |
} |
if($query_id) |
{ |
return $this->result_numrows[$query_id]; |
} |
else |
{ |
return false; |
} |
} |
function sql_affectedrows($query_id = 0) |
{ |
if(!$query_id) |
{ |
$query_id = $this->query_result; |
} |
if($query_id) |
{ |
return $this->result_numrows[$query_id]; |
} |
else |
{ |
return false; |
} |
} |
function sql_numfields($query_id = 0) |
{ |
if(!$query_id) |
{ |
$query_id = $this->query_result; |
} |
if($query_id) |
{ |
$result = count($this->result_field_names[$query_id]); |
return $result; |
} |
else |
{ |
return false; |
} |
} |
function sql_fieldname($offset, $query_id = 0) |
{ |
if(!$query_id) |
{ |
$query_id = $this->query_result; |
} |
if($query_id) |
{ |
$result = $this->result_field_names[$query_id][$offset]; |
return $result; |
} |
else |
{ |
return false; |
} |
} |
function sql_fieldtype($offset, $query_id = 0) |
{ |
if(!$query_id) |
{ |
$query_id = $this->query_result; |
} |
if($query_id) |
{ |
$result = @odbc_field_type($query_id, $offset); |
return $result; |
} |
else |
{ |
return false; |
} |
} |
function sql_fetchrow($query_id = 0) |
{ |
if(!$query_id) |
{ |
$query_id = $this->query_result; |
} |
if($query_id) |
{ |
if($this->row_index[$query_id] < $this->result_numrows[$query_id]) |
{ |
$result = $this->result_rowset[$query_id][$this->row_index[$query_id]]; |
$this->row_index[$query_id]++; |
return $result; |
} |
else |
{ |
return false; |
} |
} |
else |
{ |
return false; |
} |
} |
function sql_fetchrowset($query_id = 0) |
{ |
if(!$query_id) |
{ |
$query_id = $this->query_result; |
} |
if($query_id) |
{ |
$this->row_index[$query_id] = $this->result_numrows[$query_id]; |
return $this->result_rowset[$query_id]; |
} |
else |
{ |
return false; |
} |
} |
function sql_fetchfield($field, $row = -1, $query_id = 0) |
{ |
if(!$query_id) |
{ |
$query_id = $this->query_result; |
} |
if($query_id) |
{ |
if($row < $this->result_numrows[$query_id]) |
{ |
if($row == -1) |
{ |
$getrow = $this->row_index[$query_id]-1; |
} |
else |
{ |
$getrow = $row; |
} |
|
return $this->result_rowset[$query_id][$getrow][$this->result_field_names[$query_id][$field]]; |
|
} |
else |
{ |
return false; |
} |
} |
else |
{ |
return false; |
} |
} |
function sql_rowseek($offset, $query_id = 0) |
{ |
if(!$query_id) |
{ |
$query_id = $this->query_result; |
} |
if($query_id) |
{ |
$this->row_index[$query_id] = 0; |
return true; |
} |
else |
{ |
return false; |
} |
} |
function sql_nextid($query_id = 0) |
{ |
if(!$query_id) |
{ |
$query_id = $this->query_result; |
} |
if($query_id) |
{ |
return $this->next_id[$query_id]; |
} |
else |
{ |
return false; |
} |
} |
function sql_freeresult($query_id = 0) |
{ |
if(!$query_id) |
{ |
$query_id = $this->query_result; |
} |
if($query_id) |
{ |
$result = @odbc_free_result($query_id); |
return $result; |
} |
else |
{ |
return false; |
} |
} |
function sql_error($query_id = 0) |
{ |
// $result['code'] = @odbc_error($this->db_connect_id); |
// $result['message'] = @odbc_errormsg($this->db_connect_id); |
|
return ""; |
} |
|
} // class sql_db |
|
} // if ... define |
|
?> |