templates/Builder/Om/baseObjectAttributes.php
/**
* attribute to determine if this object has previously been saved.
* @var bool
*/
protected $new = true;
/**
* attribute to determine whether this object has been deleted.
* @var bool
*/
protected $deleted = false;
/**
* The columns that have been modified in current object.
* Tracking modified columns allows us to only update modified columns.
* @var array
*/
protected $modifiedColumns = [];
/**
* The (virtual) columns that are added at runtime
* The formatters can add supplementary columns based on a resultset
* @var array
*/
protected $virtualColumns = [];