Added exists() to check for existence of data, getColumnCount() as alias to...

Added exists() to check for existence of data, getColumnCount() as alias to count() and renamed has() to hasRelation() for clarity

Doctrine/Record.php

@@ -618,19 +618,7 @@ abstract class Doctrine_Record extends Doctrine_Access implements Countable, Ite
             $this->modified[]  = $name;
         }
     }
-    /**
-     * has
-     * method for checking existence of properties and Doctrine_Record references
-     *
-     * @param mixed $name               name of the property or reference
-     * @return boolean
-     */
-    public function has($name) {
-        if(isset($this->data[$name]) || isset($this->id[$name]))
-            return true;
 
-        return $this->table->hasForeignKey($name);
-    }
     /**
      * set
      * method for altering properties and Doctrine_Record references
@@ -826,6 +814,29 @@ abstract class Doctrine_Record extends Doctrine_Access implements Countable, Ite
     public function count() {
         return count($this->data);
     }
+    /**
+     * alias for count()
+     */
+    public function getColumnCount() {
+        return $this->count();
+    }
+    /**
+     * checks if record has data
+     * @return boolean
+     */
+    public function exists() {
+        return $this->state !== Doctrine_Record::STATE_TCLEAN;
+    }
+    /**
+     * method for checking existence of properties and Doctrine_Record references
+     * @param mixed $name               name of the property or reference
+     * @return boolean
+     */
+    public function hasRelation($name) {
+        if(isset($this->data[$name]) || isset($this->id[$name]))
+            return true;
+        return $this->table->hasForeignKey($name);
+    }
     /**
      * getIterator
      * @return Doctrine_Record_Iterator     a Doctrine_Record_Iterator that iterates through the data