Definition
/**
* Fetch rows from a cursor.
*
* Example: fetch('my_cursor')->forward(100)
* Produces: FETCH FORWARD 100 my_cursor
*
* Example: fetch('my_cursor')->all()
* Produces: FETCH ALL my_cursor
*
* @param string $cursorName Cursor to fetch from
*/
fetch(string $cursorName) : FetchCursorBuilder