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php-phpbb/phpBB/db/postgres7.php
Paul S. Owen ed26632a7f Updated mssql schema and basic, and added commit for remaining transactions
git-svn-id: file:///svn/phpbb/trunk@1000 89ea8834-ac86-4346-8a33-228a782c2dd0
2001-09-07 16:58:45 +00:00

442 lines
7.8 KiB
PHP

<?php
/***************************************************************************
* postgres7.php
* -------------------
* begin : Saturday, Feb 13, 2001
* copyright : (C) 2001 The phpBB Group
* email : supportphpbb.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","postgresql");
class sql_db
{
var $db_connect_id;
var $query_result;
var $in_transaction = 0;
var $row;
var $rownum = array();
var $num_queries = 0;
//
// Constructor
//
function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $persistency=true)
{
$this->connect_string = "";
if($sqluser)
{
$this->connect_string .= "user=$sqluser ";
}
if($sqlpassword)
{
$this->connect_string .= "password=$sqlpassword ";
}
if($sqlserver)
{
if(ereg(":",$sqlserver))
{
list($sqlserver,$sqlport) = split(":",$sqlserver);
$this->connect_string .= "host=$sqlserver port=$sqlport ";
}
else
{
if($sqlserver != "localhost")
{
$this->connect_string .= "host=$sqlserver ";
}
}
}
if($database)
{
$this->dbname = $database;
$make_connect = $this->connect_string . "dbname=$database";
}
else
{
$make_connect = $this->connect_string;
}
$this->persistency = $persistency;
if($this->persistency)
{
$this->db_connect_id = @pg_pconnect($make_connect);
}
else
{
$this->db_connect_id = @pg_connect($make_connect);
}
if($this->db_connect_id)
{
return $this->db_connect_id;
}
else
{
return false;
}
}
//
// Other base methods
//
function sql_close()
{
if($this->db_connect_id)
{
//
// Commit any remaining transactions
//
if( $this->in_transaction )
{
@pg_exec($this->db_connect_id, "COMMIT");
}
if($this->query_result)
{
@pg_freeresult($this->query_result);
}
$result = @pg_close($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);
if($query != "")
{
$this->num_queries++;
$query = preg_replace("/LIMIT ([0-9]+),([ 0-9]+)/", "LIMIT \\2, \\1", $query);
if($transaction == BEGIN_TRANSACTION)
{
$result = @pg_exec($this->db_connect_id, "BEGIN");
if(!$result)
{
return false;
}
}
$this->query_result = @pg_exec($this->db_connect_id, $query);
if($this->query_result)
{
if($transaction == END_TRANSACTION)
{
$result = @pg_exec($this->db_connect_id, "COMMIT");
if(!$result)
{
@pg_exec($this->db_connect_id, "ROLLBACK");
return false;
}
$this->in_transaction = FALSE;
}
$this->last_query_text[$this->query_result] = $query;
$this->rownum[$this->query_result] = 0;
unset($this->row[$this->query_result]);
unset($this->rowset[$this->query_result]);
return $this->query_result;
}
else
{
if($this->in_transaction)
{
@pg_exec($this->db_connect_id, "ROLLBACK");
}
return false;
}
}
else
{
if($transaction == END_TRANSACTION)
{
$result = @pg_exec($this->db_connect_id, "COMMIT");
if(!$result)
{
@pg_exec($this->db_connect_id, "ROLLBACK");
return false;
}
$this->in_transaction = FALSE;
}
return false;
}
}
//
// Other query methods
//
function sql_numrows($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @pg_numrows($query_id);
return $result;
}
else
{
return false;
}
}
function sql_affectedrows($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @pg_cmdtuples($query_id);
return $result;
}
else
{
return false;
}
}
function sql_numfields($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @pg_numfields($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)
{
$result = @pg_fieldname($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)
{
$result = @pg_fieldtype($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)
{
$this->row = @pg_fetch_array($query_id, $this->rownum[$query_id]);
if($this->row)
{
$this->rownum[$query_id]++;
return $this->row;
}
else
{
return false;
}
}
else
{
return false;
}
}
function sql_fetchrowset($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
unset($this->rowset[$query_id]);
unset($this->row[$query_id]);
$this->rownum[$query_id] = 0;
while($this->rowset = @pg_fetch_array($query_id, $this->rownum[$query_id], PGSQL_ASSOC))
{
$result[] = $this->rowset;
$this->rownum[$query_id]++;
}
return $result;
}
else
{
return false;
}
}
function sql_fetchfield($field, $row_offset=-1, $query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
if($row_offset != -1)
{
$this->row = @pg_fetch_array($query_id, $row_offset, PGSQL_ASSOC);
}
else
{
if($this->rownum[$query_id])
{
$this->row = @pg_fetch_array($query_id, $this->rownum[$query_id]-1, PGSQL_ASSOC);
}
else
{
$this->row = @pg_fetch_array($query_id, $this->rownum[$query_id], PGSQL_ASSOC);
if($this->row)
{
$this->rownum[$query_id]++;
}
}
}
return $this->row[$field];
}
else
{
return false;
}
}
function sql_rowseek($offset, $query_id = 0){
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
if($offset>-1)
{
$this->rownum[$query_id] = $offset;
return true;
}
else
{
return false;
}
}
else
{
return false;
}
}
function sql_nextid($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id && $this->last_query_text[$query_id] != "")
{
if( eregi("^(INSERT{1}|^INSERT INTO{1})[[:space:]][\"]?([a-zA-Z0-9\_\-]+)[\"]?", $this->last_query_text[$query_id], $tablename))
{
$query = "SELECT last_value
FROM ".$tablename[2]."_id_seq";
$temp_q_id = @pg_exec($this->db_connect_id, $query);
$temp_result = @pg_fetch_array($temp_q_id, 0, PGSQL_ASSOC);
if($temp_result)
{
return $temp_result['last_value'];
}
else
{
return false;
}
}
else
{
return false;
}
}
else
{
return false;
}
}
function sql_freeresult($query_id = 0){
if(!$query_id){
$query_id = $this->query_result;
}
if($query_id)
{
$result = @pg_freeresult($query_id);
return $result;
}
else
{
return false;
}
}
function sql_error($query_id = 0)
{
if(!$query_id){
$query_id = $this->query_result;
}
$result['message'] = @pg_errormessage($this->db_connect_id);
$result['code'] = -1;
return $result;
}
} // class ... db_sql
} // if ... defined
?>