<?php

/**
 * Класс оболочка для PDOStatement для замены Creole 
 */
class Database_Statement 
{
    protected $limit = null;
    protected $offset = null;
    protected $statement = null;
    protected $binds = array();
    protected $conn;
    protected $query;

    function __construct($query, /*.Database.*/ $conn) {    
        $this->query = $query;
        $this->conn = $conn;
    }
    
    function setInt($n, $value) {  
        $this->binds [] = array($n, $value, PDO::PARAM_INT);
    }

    function setString($n, $value) {
        $this->binds [] = array($n, $value, PDO::PARAM_STR);
    }

    function setBlob($n, $value) {
        $this->binds [] = array($n, $value, PDO::PARAM_LOB);
    }

    function setLimit($limit) {
        $this->limit = $limit;
    }

    function setOffset($offset) {
        $this->offset = $offset;
    }

    function executeQuery() {
        if ($this->limit) {
            $this->query .= " LIMIT {$this->limit} OFFSET {$this->offset}";
        }
        /*.Database_PDOStatement.*/$stmt = $this->conn->prepare($this->query);
        foreach ($this->binds as $bind) {
            list($n, $value, $type) = $bind;
            $stmt->bindValue($n, $value, (int) $type);
        }

        $stmt->execute();
        $stmt->cache = $stmt->fetchAll(PDO::FETCH_ASSOC);

        return $stmt;
    }
}