From 0a4f50e5651bf4e02e01d87332b5cdb4fc897238 Mon Sep 17 00:00:00 2001
From: Gerald Simane <simane@technikum-wien.at>
Date: Wed, 24 Feb 2010 09:26:23 +0000
Subject: [PATCH]

---
 include/basis_db.class.php | 80 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)

diff --git a/include/basis_db.class.php b/include/basis_db.class.php
index 34bf8bfc1..4f6613279 100644
--- a/include/basis_db.class.php
+++ b/include/basis_db.class.php
@@ -29,6 +29,86 @@ abstract class db extends basis
 
 }
 
+	function creatSQL($pArt='select',$pDistinct=false,$pFields='',$pTable='',$pWhere='',$pOrder='',$pLimit='',$pSql='')
+	{
+	// Init
+		$this->errormsg='';
+##		echo "<br>$pArt,$pDistinct,$pFields,$pTable,$pWhere,$pOrder,$pLimit,$pSql";
+		$result=false;
+	// Check Parameter	
+		$sql=(!is_null($pSql)?trim($pSql):'');
+		$art=(!is_null($pArt)?trim($pArt):'');
+		$distinct=($pDistinct?true:false);
+		$fields=(!is_null($pFields)?trim($pFields):'');
+		$table=(!is_null($pTable)?trim($pTable):'');
+		$where=(!is_null($pWhere)?trim($pWhere):'');
+		$order=(!is_null($pOrder)?trim($pOrder):'');
+		$limit=(is_numeric($pLimit)?$pLimit:'');
+		
+		if (empty($sql) && empty($art))
+		{
+			$this->errormsg='die SQL Art fehlt!';
+			return $result;
+		}
+		else if (empty($sql) && empty($table))
+		{
+			$this->errormsg='die SQL Tabelle fehlt!';
+			return $result;
+		}
+
+		if (empty($sql))
+		{
+			// DB Abfrage zusammenbauen
+			$sql.=$art. ' ';
+			if ($art=='select')
+				$sql.=($distinct?' distinct ':'');
+			$sql.=($fields?$fields:' * ');
+			$sql.=($table?' from '.trim($table).' ':'');
+			if (!empty($where) && strstr('where',strtolower($where)))
+				$sql.=($where?' '.trim($where).' ':'');
+			else if (!empty($where))
+				$sql.=($where?' where '.trim($where).' ':'');
+				
+			switch ($art)
+			{
+				case 'select':
+					if (strstr('order',strtolower($where)))
+						$sql.=($order?trim($order).' ':'');
+					else
+						$sql.=($order?' order by '.trim($order).' ':'');
+					if (strstr('limit',strtolower($where)))
+						$sql.=($limit?trim($limit).' ':'');
+					else	
+						$sql.=($limit?' limit '.trim($limit).' ':'');
+					break;
+			    default:
+						$this->errormsg='die SQL Art '.$art.' wird nicht unterstuetzt !';
+						return $result;
+					break;
+			}
+		}
+##echo "<br>$sql<br>";
+		if (!$results=$this->db_query($sql))
+		{
+			$this->errormsg=$this->db_last_error();
+			return false;
+		}
+		
+		if ($art!='select' && empty($sql) )
+			return true;
+
+		if (!$num=$this->db_num_rows($results))
+		{
+			$this->errormsg='keine Daten gefunden';
+			return false;
+		}
+		// Lesen aller DB Daten
+		$rows=array();
+		while($row = $this->db_fetch_object($results))
+			$rows[]=$row;
+		return $rows;	
+	}	
+
 require_once(dirname(__FILE__).'/'.DB_SYSTEM.'.class.php');
  
 ?>
\ No newline at end of file