Add namespace.

Model/DbStatement.php

@@ -0,0 +1,115 @@
+<?php namespace Majestic\Model;
+/**
+ * @copyright NetMonsters <team@netmonsters.ru>
+ * @link http://netmonsters.ru
+ * @package Majestic
+ * @subpackage db
+ * @since 2010-02-19
+ */
+
+abstract class DbStatement
+{
+
+    /**
+     * @var DbDriver
+     */
+    protected $driver;
+
+    /**
+     * @var string
+     */
+    protected $request;
+
+    protected $params = array();
+
+    protected $result;
+
+    public function __construct($driver, $request)
+    {
+        $this->driver = $driver;
+        $this->request = $request;
+    }
+
+    /**
+     * @param array $params
+     * @return bool
+     */
+    public function execute($params = null)
+    {
+        if (is_array($params)) {
+            foreach ($params as $param => &$value) {
+                $this->bindParam($param, $value);
+            }
+        }
+        return $this->driverExecute($this->assemble());
+    }
+
+    public function __destruct()
+    {
+        $this->close();
+    }
+
+    /**
+     * @param mixed $style
+     * @return array
+     */
+    public function fetchAll($style = Db::FETCH_OBJ)
+    {
+        $data = array();
+        while ($row = $this->fetch($style)) {
+            $data[] = $row;
+        }
+        return $data;
+    }
+
+    /**
+     * @param string $field
+     * @return array Value of queried field for all matching rows
+     */
+    public function fetchColumn($field)
+    {
+        $data = array();
+        while ($row = $this->fetch(Db::FETCH_ASSOC)) {
+            $data[] = $row[$field];
+        }
+        return $data;
+    }
+
+    /**
+     * @param string $field
+     * @return mixed Value of queried filed for first matching row
+     */
+    public function fetchField($field)
+    {
+        $row = $this->fetch(Db::FETCH_ASSOC);
+        if (isset($row[$field])) {
+            return $row[$field];
+        }
+        return false;
+    }
+
+    /* Abstract methods */
+
+    abstract public function bindParam($param, &$value);
+
+    abstract protected function assemble();
+
+    abstract public function fetch($style = Db::FETCH_OBJ);
+
+    abstract public function fetchObject($class = 'stdClass');
+
+    abstract public function close();
+
+    /**
+     * @return int
+     */
+    abstract public function affectedRows();
+
+    abstract public function numRows();
+
+    /**
+     * @param mixed $request
+     * @return bool
+     */
+    abstract protected function driverExecute($request);
+}