/**
  * Create a new instance.
  *
  * @param      Criteria $parent The outer class (this is an "inner" class).
  * @param      ColumnMap $column A Column object to help escaping the value
  * @param      mixed $value
  * @param      string $comparison, among ModelCriteria::MODEL_CLAUSE
  * @param      string $clause A simple pseudo-SQL clause, e.g. 'foo.BAR LIKE ?'
  */
 public function __construct(Criteria $outer, $column, $value = null, $comparison = ModelCriteria::MODEL_CLAUSE, $clause)
 {
     $this->value = $value;
     if ($column instanceof ColumnMap) {
         $this->column = $column->getName();
         $this->table = $column->getTable()->getName();
     } else {
         $dotPos = strrpos($column, '.');
         if ($dotPos === false) {
             // no dot => aliased column
             $this->table = null;
             $this->column = $column;
         } else {
             $this->table = substr($column, 0, $dotPos);
             $this->column = substr($column, $dotPos + 1, strlen($column));
         }
     }
     $this->comparison = $comparison === null ? Criteria::EQUAL : $comparison;
     $this->clause = $clause;
     $this->init($outer);
 }