<?php


class Core_Database {

	var $_conn;
	var $_errors;

	function __construct($host, $user, $password, $database, $names = '', $params = array()) {
		$this->_conn = null;
		$this->_errors = array();
		$this->_database_name = $database;
		if(!empty($params['zasob_id'])) $this->_zasob_id=$params['zasob_id'];
	}

	public function getDatabaseName() {
		return $this->_database_name;
	}

	/**
	 * Wykonuje podane zapytanie i zwraca wynik mysql_query().
	 */
	function query($query, $msg = 'Query ERROR.') {
		return null;
	}

	function fetch($res) {
		return null;
	}

	function _($str) {
		return $str;
	}

	function error() {
		return "#unknown";
	}

	function _set_error($err) {
		$this->_errors[] = $err;
	}

	function get_errors() {
		return $this->_errors;
	}

	function has_errors() {
		return !empty($this->_errors);
	}

	function get_last_error() {
		return end($this->_errors);
	}

	function get_by_id($table, $id) {
		return null;
	}
	
	/* @2015-04-01 - funkcja nie skonczona - gdzies jest piotrowa, ktora generuje schematy
	
	function STRUCTURE_GENERATE_to_xsd($TABLES_IMPORT,$CONNREMOTE,$schema_folder) {
		//
		//	$TABLES_IMPORT - is array of tables used by $CONNREMOTE->STRUCTURE_GENERATE($TABLES_STRUCTURE,null,$TABLES_STRUCTURE_DATA)
		//	$CONNREMOTE - is $conn of database from which we will detect its name 
		//
		
		DEBUG_S(-3,'TABLES_IMPORT',$TABLES_IMPORT,__FILE__,__FUNCTION__,__LINE__);
		
		foreach($TABLES_IMPORT as $TABLES_IMPORT_NAME=>$TABLE_IMPORT_ARR) {
			if($TABLE_IMPORT_ARR['Table_type']=='BASE TABLE') {
		
		
				$xml = new SimpleXMLElement('<xml/>');
		
				$schema = $xml->addChild('xs:schema',null,'http://www.w3.org/2001/XMLSchema');
				
				$schema->addAttribute('xmlns:xmlns:'.$CONNREMOTE->getDatabaseName(), 'http://biuro.biall-net.pl/xmlschema_procesy5/default_db/'.$CONNREMOTE->getDatabaseName());
				$complexType = $schema->addChild('complexType');
					$complexType->addAttribute('name',$TABLES_IMPORT_NAME);
				$element = $complexType->addChild('element');
		
			DEBUG_S(-3,'xml output ',$xml->asXML(),__FILE__,__FUNCTION__,__LINE__);
				
   			$fp = fopen($schema_folder.'/'.$TABLES_IMPORT_NAME.'.xsd', 'w');
   			fwrite($fp, $xml->asXML());
			fclose($fp);
		
			}
			unset($xml);
		}
		
	}
	*/
	

}