<?php
/* 
    Last change in version: 2.0 
#########################################################################################
#    ADbNewsSender 2 									#
#    Copyright (C) 2009  Florian Grannemann (E-mail: hide@address.com)  		#
#    Website: http://adbnewssender.sf.net						#
#											#
#    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 3 of the License, or			#
#    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, see http://www.gnu.org/licenses/.		#
#########################################################################################
	
*/
/*
	This file implements the create table on PostgreSQL databases 
	
*/

//$querystring contains table name.
//$params["columns"] contains the columns in an associative array 
//$params["PKs"] contains the primary keys in an associative array
//$params["UKs"] contains the unique keys in an associative array



$columns=$params["columns"];

//$columns["columnname"]="Datatype|size";
//size only at varchar!

$PKs=$params["PKs"];
$UKs=$params["UKs"];


$null=$params["null"];

//defaults:
//$defaults["columnname"]=defaultvalue
$defaults=$params["defaults"];
//defining datatypes:
//$datatypes["ADBNS_DB_type"]="MySQLtype";


//translating datatypes:

$datatypes=array();
$datatypes["bigserial"]="bigserial";
$datatypes["serial"]="serial";
$datatypes["float"]="double precision";
$datatypes["float8"]=$datatypes["float"];
$datatypes["boolean"]="boolean";
$datatypes["text"]="text";
$datatypes["varchar"]="varchar";
$datatypes["integer"]="integer";
$datatypes["bigint"]="bigint";





$query="CREATE TABLE $querystring (";

$i=1;
$numberofcolumns=count($columns);
foreach($columns as $columnname=>$datatype)
{
	$usedatatype="";
	$datatype=explode("|",$datatype);

	//translating datatypes:	
	if(strtolower($datatype[0])=="varchar")
	{
		if($datatype[1] <1)
		{
			$datatype[1]=1;
		}
		$usedatatype=$datatypes["varchar"]."(".$datatype[1].")";
	}	
	else
	{
		$usedatatype=$datatypes[strtolower($datatype[0])];
	}
	
	$query=$query."$columnname $usedatatype";
	
	//NULL?
	if($null[$columnname]!=true)
	{
		$query=$query." NOT NULL";
	}

	//defaults:
	if(array_key_exists($columnname, $defaults) && $datatype[0] !="text")
	{
		
		$query=$query." Default '".$defaults[$columnname]."'";
	}			

	
	if($i <$numberofcolumns)
	{
		$query=$query.",";	
	}
	$i++;
} 

//primary keys:
if(count($PKs) >1)
{
	$PKstring=",PRIMARY KEY(";
	$i=0;
	while($i <count($PKs))
	{
		if($PKs[$i])
		{
			$PKstring=$PKstring.$PKs[$i];
			if($PKs[($i+1)])
			{
				$PKstring=$PKstring.",";
			}

		}
		$i++;

	}
	$PKstring=$PKstring.")";

	$query=$query.$PKstring;

}

//unique keys:
if(count($UKs) >1)
{
	$UKstring=",UNIQUE(";
	$i=0;
	while($i <count($UKs))
	{
		
		if($UKs[$i])
		{
			
			$UKstring=$UKstring.strtolower($UKs[$i]);
			if($UKs[($i+1)])
			{
				$UKstring=$UKstring.",";
			}
		}
		$i++;
		
	}
	$UKstring=$UKstring.")";


	$query=$query.$UKstring;


}
$query=$query.");";
if(@pg_query($this->session,$query))
{
	$result=true;
}
	




?>