original_string: public function isIdentity($column)
      {
          $this->_setupPrimaryKey();
  
          if (!isset($this->_metadata[$column])) {
              /**
               * @see Zend_Db_Table_Exception
               */
              // require_once 'Zend/Db/Table/Exception.php';
  
              throw new Zend_Db_Table_Exception('Column "' . $column . '" not found in table.');
          }
  
          return (bool) $this->_metadata[$column]['IDENTITY'];
      }
code: public function isIdentity($column)
      {
          $this->_setupPrimaryKey();
  
          if (!isset($this->_metadata[$column])) {
              /**
               * @see Zend_Db_Table_Exception
               */
              // require_once 'Zend/Db/Table/Exception.php';
  
              throw new Zend_Db_Table_Exception('Column "' . $column . '" not found in table.');
          }
  
          return (bool) $this->_metadata[$column]['IDENTITY'];
      }
code_tokens: public function isIdentity ( $ column ) { $ this -> _setupPrimaryKey ( ) ; if ( ! isset ( $ this -> _metadata [ $ column ] ) ) { /**
               * @see Zend_Db_Table_Exception
               */ // require_once 'Zend/Db/Table/Exception.php'; throw new Zend_Db_Table_Exception ( 'Column "' . $ column . '" not found in table.' ) ; } return ( bool ) $ this -> _metadata [ $ column ] [ 'IDENTITY' ] ; }
docstring: Check if the provided column is an identity of the table
  
  @param  string $column
  @throws Zend_Db_Table_Exception
  @return boolean
docstring_tokens: Check if the provided column is an identity of the table