php-phpbb/phpBB/db/oracle.php

<?php
/***************************************************************************
 *                                 oracle.php 
 *                            -------------------
 *   begin                : Thrusday Feb 15, 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","oracle");

class sql_db
{
	
	var $db_connect_id;
	var $query_result;
	var $row;

	
	//
	// Constructor
	//
	function sql_db($sqlserver, $sqluser, $sqlpassword, $database="", $persistency = true)
	{
		$this->persistency = $persistency;
		$this->user = $sqluser;
		$this->password = $sqlpassword;
		$this->server = $sqlserver;
		$this->dbname = $database;
		
		if($this->persistency)
		{
			$this->db_connect_id = OCIPLogon($this->user, $this->password, $this->server);
		} 
		else
		{
			$this->db_connect_id = OCINLogon($this->user, $this->password, $this->server);
		}
		if($this->db_connect_id)
		{
			return $this->db_connect_id;
		}
		else
		{
			return false;
		}
	}

	//
	// Other base methods
	//
	function sql_setdb($database)
	{
		// This method does not exist in Oracle.
		return true;
	}
	function sql_close()
	{
		if($this->db_connect_id)
		{
			if($this->query_result)
			{
				OCIFreeStatement($this->query_result);
			}
			$result = OCILogoff($this->db_connect_id);
			return $result;
		}
		else
		{
			return false;
		}
	}

	//
	// Base query method
	//
	function sql_query($query = "")
	{
		// Remove any pre-existing queries
		unset($this->query_result);
		if($query != "")
		{
			$this->query_result = OCIParse($this->db_connect_id, $query);
			OCIExecute($this->query_result);
		}
		if($this->query_result)
		{
			unset($this->row[$this->query_result]);
			unset($this->rowset[$this->query_result]);
			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)
		{
			$result = OCIFetchStatement($query_id, $this->rowset);
			// OCIFetchStatment kills our query result so we have to execute the statment again
			// if we ever want to use the query_id again.
			OCIExecute($query_id);
			return $result;
		}
		else
		{
			return false;
		}
	}
	function sql_numfields($query_id = 0)
	{
		if(!$query_id)
		{
			$query_id = $this->query_result;
		}
		if($query_id)
		{
			$result = OCINumCols($query_id);
			return $result;
		}
		else
		{
			return false;
		}
	}
	function sql_fieldname($offset, $query_id = 0)
	{
		// OCIColumnName uses a 1 based array so we have to up the offset by 1 in here to maintain
		// full abstraction compatibitly
		$offset += 1;
		if(!$query_id)
		{
			$query_id = $this->query_result;
		}
		if($query_id)
		{
			$result = OCIColumnName($query_id, $offset);
			return $result;
		}
		else
		{
			return false;
		}
	}
	function sql_fieldtype($offset, $query_id = 0)
	{
		// This situation is the same as fieldname
		$offset += 1;
		if(!$query_id)
		{
			$query_id = $this->query_result;
		}
		if($query_id)
		{
			$result = OCIColumnType($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)
		{
			$result = OCIFetchInto($query_id, &$this->row[$query_id], OCI_ASSOC);
			return $this->row[$query_id];
		}
		else
		{
			return false;
		}
	}
	// This function probably isn't as efficant is it could be but any other way I do it
	// I end up losing 1 row...
	function sql_fetchrowset($query_id = 0)
	{
		if(!$query_id)
		{
			$query_id = $this->query_result;
		}
		if($query_id)
		{
			$rows = OCIFetchStatement($query_id, $results);
			OCIExecute($query_id);
			for($i = 0; $i <= $rows; $i++) 
			{
				OCIFetchInto($query_id, $tmp_result, OCI_ASSOC+OCI_RETURN_NULLS);
				
				for($j = 0; $j < count($tmp_result); $j++)
				{
					list($key, $val) = each($tmp_result);
					$return_arr[strtolower($key)] = $val;
				}
				$result[] = $return_arr;
			}
			return $result;
		}
		else
		{
			return false;
		}
	}
	function sql_fetchfield($field, $rownum = -1, $query_id = 0)
	{
		if(!$query_id)
		{
			$query_id = $this->query_result;
		}
		if($query_id)
		{
			if($rownum > -1)
			{
				$result = @mysql_result($query_id, $rownum, $field);
			}
			else
			{
				if(empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
				{
					if($this->sql_fetchrow())
					{
						$result = $this->row[$query_id][$field];
					}
				}
				else
				{
					if($this->rowset[$query_id])
					{
						$result = $this->rowset[$query_id][$field];
					}
					else if($this->row[$query_id])
					{
						$result = $this->row[$query_id][$field];
					}
				}
			}
			return $result;
		}
		else
		{
			return false;
		}
	}
	function sql_rowseek($rownum, $query_id = 0){
		if(!$query_id)
		{
			$query_id = $this->query_result;
		}
		if($query_id)
		{
			$result = @mysql_data_seek($query_id, $rownum);
			return $result;
		}
		else
		{
			return false;
		}
	}
	function sql_nextid(){
		if($this->db_connection_id)
		{
			$result = @mysql_insert_id();
			return $result;
		}
		else
		{
			return false;
		}
	}
	function sql_freeresult($query_id = 0){
		if(!$query_id)
		{
			$query_id = $this->query_result;
		}
		if($query_id)
		{
			$result = OCIFreeStatement($query_id);
			return $result;
		}
		else
		{
			return false;
		}
	}
	function sql_error($query_id = 0)
	{
		$result["message"] = @mysql_error($this->db_connect_id);
		$result["code"] = @mysql_errno($this->db_connect_id);

		return $result;
	}

} // class sql_db

} // if ... define

?>