/**
  * Returns the string representation of the difference.
  *
  * @return string
  */
 public function __toString()
 {
     $ret = '';
     $ret .= sprintf("      %s:\n", $this->fromColumn->getFullyQualifiedName());
     $ret .= "        modifiedProperties:\n";
     foreach ($this->changedProperties as $key => $value) {
         $ret .= sprintf("          %s: %s\n", $key, json_encode($value));
     }
     return $ret;
 }
 public function testGetFullyQualifiedName()
 {
     $column = new Column('title');
     $column->setTable($this->getTableMock('books'));
     $this->assertSame('books.TITLE', $column->getFullyQualifiedName());
 }