* added dibi::fetch, dibi::fetchAll, dibi::fetchSingle

* some bugs fixed

dibi/dibi.php

@@ -260,6 +260,54 @@ class dibi extends NClass
 
 
 
+    /**
+     * Executes SQL query and fetch result - Monostate for DibiConnection::query() & fetch()
+     *
+     * @param  array|mixed    one or more arguments
+     * @return array
+     * @throws DibiException
+     */
+    public static function fetch($args)
+    {
+        if (!is_array($args)) $args = func_get_args();
+
+        return self::getConnection()->query($args)->fetch();
+    }
+
+
+
+    /**
+     * Executes SQL query and fetch results - Monostate for DibiConnection::query() & fetchAll()
+     *
+     * @param  array|mixed    one or more arguments
+     * @return array
+     * @throws DibiException
+     */
+    public static function fetchAll($args)
+    {
+        if (!is_array($args)) $args = func_get_args();
+
+        return self::getConnection()->query($args)->fetchAll();
+    }
+
+
+
+    /**
+     * Executes SQL query and fetch first column - Monostate for DibiConnection::query() & fetchSingle()
+     *
+     * @param  array|mixed    one or more arguments
+     * @return string
+     * @throws DibiException
+     */
+    public static function fetchSingle($args)
+    {
+        if (!is_array($args)) $args = func_get_args();
+
+        return self::getConnection()->query($args)->fetchSingle();
+    }
+
+
+
     /**
      * Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query
      * Monostate for DibiConnection::insertId()

dibi/drivers/odbc.php

@@ -250,7 +250,7 @@ class DibiOdbcDriver extends NObject implements DibiDriverInterface
      */
     public function fetch()
     {
-        return odbc_fetch_array($this->resultset, $this->row++);
+        return odbc_fetch_array($this->resultset, ++$this->row);
     }
 
 

dibi/drivers/pdo.php

@@ -49,12 +49,6 @@ class DibiPdoDriver extends NObject implements DibiDriverInterface
     private $resultset;
 
 
-    /**
-     * Cursor
-     * @var int
-     */
-    private $row = 0;
-
 
     /**
      * Connects to a database
@@ -204,7 +198,7 @@ class DibiPdoDriver extends NObject implements DibiDriverInterface
      */
     public function rowCount()
     {
-        return $this->resultset->rowCount();
+        throw new DibiDatabaseException('Row count is not available for unbuffered queries');
     }
 
 
@@ -217,7 +211,7 @@ class DibiPdoDriver extends NObject implements DibiDriverInterface
      */
     public function fetch()
     {
-        return $this->resultset->fetch(PDO::FETCH_ASSOC, PDO::FETCH_ORI_NEXT, $this->row++);
+        return $this->resultset->fetch(PDO::FETCH_ASSOC);
     }
 
 
@@ -231,7 +225,7 @@ class DibiPdoDriver extends NObject implements DibiDriverInterface
      */
     public function seek($row)
     {
-        $this->row = $row;
+        throw new DibiDatabaseException('Cannot seek an unbuffered result set');
     }
 
 

examples/fetch.php

@@ -23,21 +23,26 @@ product_id | title
 */
 
 
+// fetch a single row
+$row = dibi::fetch('SELECT title FROM [products]');
+print_r($row); // Chair
+echo '<hr>';
+
+
 // fetch a single value
-$res = dibi::query('SELECT [title] FROM [products]');
-$value = $res->fetchSingle();
+$value = dibi::fetchSingle('SELECT [title] FROM [products]');
 print_r($value); // Chair
 echo '<hr>';
 
 
 // fetch complete result set
-$res = dibi::query('SELECT * FROM [products]');
-$all = $res->fetchAll();
+$all = dibi::fetchAll('SELECT * FROM [products]');
 print_r($all);
 echo '<hr>';
 
 
 // fetch complete result set like association array
+$res = dibi::query('SELECT * FROM [products]');
 $assoc = $res->fetchAssoc('title'); // key
 print_r($assoc);
 echo '<hr>';