Merge branch 'master' into noglob

src/Database/PDOStatement.php

@@ -12,7 +12,7 @@ class PDOStatement extends \PDOStatement implements \IteratorAggregate
     public $cache = array();   
     public $fields;
 
-    function getIterator() {
+    function getIterator(): Iterator {
         return new StatementIterator($this);
     }
 
@@ -72,6 +72,9 @@ class PDOStatement extends \PDOStatement implements \IteratorAggregate
     }
 
     function getInt($name) {
+        if (!$this->fields) {
+            throw new Error('no fields');
+        }
         return (int)$this->fields[$name];
     }
 
@@ -80,7 +83,7 @@ class PDOStatement extends \PDOStatement implements \IteratorAggregate
     }
 
     function getString($name) {
-        return $this->fields[$name];
+        return isset($this->fields[$name]) ? $this->fields[$name]: null;
     }
 
     function getBoolean($name) {
@@ -98,4 +101,10 @@ class PDOStatement extends \PDOStatement implements \IteratorAggregate
     function getRecordCount() {
         return count($this->cache);
     }
+    
+    function execute($args = null) {
+        $result = parent::execute($args);
+        return $result;
+    }
+
 }