loganalyzer/db-drv/odbc_mssql.php

<?php

/*#### #### #### #### #### #### #### #### #### ####
phpLogCon - A Web Interface to Log Data.
Copyright (C) 2004-2005  Adiscon GmbH



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.

This program is distributed in the hope that it will be useful, 
but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; 
if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, 
MA  02111-1307, USA.

If you have questions about phpLogCon in general, please email info@adiscon.com. 
To learn more about phpLogCon, please visit http://www.phplogcon.com.

This Project was intiated and is maintened by Rainer Gerhards <rgerhards@hq.adiscon.com>. 
See AUTHORS to learn who helped make it become a reality.

*/#### #### #### #### #### #### #### #### #### #### 


/*
SQL_CURSOR_TYPE (integer)
SQL_CURSOR_FORWARD_ONLY (integer)
SQL_CURSOR_KEYSET_DRIVEN (integer)
SQL_CURSOR_DYNAMIC (integer)
SQL_CURSOR_STATIC (integer)
*/

	/*
	 * This file contains the function for database connection
	 * via odbc
	 */

	// Converter
	 
	function dbc_sql_timeformat($timestamp)
	{
		//use '#' for MS Access
		//return "#".date("Y-m-d H:i:s", $timestamp)."#";
		//return "#".date("m/d/Y H:i:s", $timestamp)."#";
		return "{ ts '".date("Y-m-d H:i:s", $timestamp)."' }";
	}

	// Driver
	 
	function db_connection()
	{
		if (!isset($_SESSION['database']))
		{
			$_SESSION['database'] = _DBNAME;
		}
		return odbc_connect($_SESSION['database'], _DBUSERID, _DBPWD, SQL_CUR_USE_ODBC);
	}

	function db_own_connection($host, $port, $user, $pass, $dbname)
	{
		$db = odbc_connect($dbname, $user, $pass, SQL_CUR_USE_ODBC) or db_die_with_error(_MSGNoDBCon);
		return $db;
	}

	function db_exec($db, $cmdSQL)
	{
//		echo "<br><br><b>" . $cmdSQL . "</b><br><br>";
		return odbc_exec($db, $cmdSQL);
	}

	function db_num_rows($res)
	{
		return odbc_num_rows($res);
	}

	function db_fetch_row($res)
	{
		return odbc_fetch_row($res);
	}

	function db_fetch_singleresult($res)
	{
		return odbc_fetch_array($res);
	}
	
	function db_fetch_array($res)
	{
		return odbc_fetch_array($res);
	}

	function db_result($res, $res_name)
	{
		return odbc_result($res, $res_name);
	} 

	function db_close($db)
	{
		odbc_close($db);
	}

	function db_num_count($cmdSQLwhere_part)
	{
		if(stristr($cmdSQLwhere_part, "order by") != FALSE)
			return 'SELECT DISTINCT COUNT(*) AS num FROM ' . _DBTABLENAME . substr($cmdSQLwhere_part, 0, strpos($cmdSQLwhere_part, 'ORDER BY'));
		else
			return 'SELECT DISTINCT COUNT(*) AS num FROM ' . _DBTABLENAME . $cmdSQLwhere_part;
	}

	// This function is for getting the correct row count! db_num_rows is BUGGED! >_<
	// THX to 'deejay_' from PHP.net for this function! 
	function odbc_record_count($odbcDbId, $query)
	{
		$countQueryString = "SELECT COUNT(*) as results FROM (" . $query . ")";
//		echo $countQueryString;
		$count = odbc_exec ($odbcDbId, $countQueryString);
		$numRecords = odbc_result ($count, "results");
		return $numRecords;
	}

	/*
	* fetch a result row as an a numeric array, 
	* the array points to the first data record you want to display
	* at current page. You need it for paging.
	*/
	function db_exec_limit($db, $cmdSQLfirst_part, $cmdSQLmain_part, $cmdSQLwhere_part, $limitlower, $perpage, $order)
	{
		//Because ODBC doesn't know LIMIT we have to do it with subselects

		if(strtolower($order) == "date")
			$order = _DATE;
		elseif(strtolower($order) == "host")
			$order = "[FromHost]";
		elseif(strtolower($order) == "facilitydate")
			$order = "[Facility], [" . _DATE . "]";
		elseif(strtolower($order) == "prioritydate")
			$order = "[Priority], [" . _DATE . "]";
		else
			$order = "[" . $order . "]";
		//now we have to check in wich order the results will be listed.
		//we have to fit our query to this.
		if( stristr(strtolower($cmdSQLwhere_part), "desc") == FALSE)
		{
			$sort1 = "DESC";
			$sort2 = "ASC";
		}
		else
		{
			$sort1 = "ASC";
			$sort2 = "DESC";
		}
		//now the big statement will be created! Have fun! ;)
		$tmp = $perpage + $limitlower - 1;
		$cmdSQL = "SELECT * FROM ( SELECT TOP " . $perpage . " * FROM ( " . $cmdSQLfirst_part . "TOP " . $tmp . " " . $cmdSQLmain_part . $cmdSQLwhere_part . " ) AS blub ORDER BY " . $order . " " . $sort1 . " ) AS blubblub ORDER BY " . $order . " " . $sort2;
//		echo $cmdSQL . "<br>";
		return db_exec($db, $cmdSQL);
	}

	function db_free_result($result)
	{
		return odbc_free_result($result);
	}

	function db_get_tables($dbCon, $dbName)
	{
		return odbc_tables($dbCon);
	}

	function db_errno()
	{
		return odbc_error();
	}

	function db_error()
	{
		return odbc_errormsg();
	}

	function db_die_with_error($MyErrorMsg)
	{
		$errdesc = odbc_errormsg();
		$errno = odbc_error();

		$errormsg="<br>Database error: $MyErrorMsg <br>";
		$errormsg.="mysql error: $errdesc <br>";
		$errormsg.="mysql error number: $errno<br>";
		$errormsg.="Date: ".date("d.m.Y @ H:i")."<br>";
		$errormsg.="Script: ".getenv("REQUEST_URI")."<br>";
		$errormsg.="Referer: ".getenv("HTTP_REFERER")."<br><br>";

		echo $errormsg;
		exit;
	}
  
  function db_get_wildcut()
  {
    return '%';
  }

?>