Restricts a query to a given range in the result set.
If this method is called with no parameters, will remove any range directives that have been set.
$start: The first record from the result set to return. If NULL, removes any range directives that are set.
$length: The number of records to return from the result set.
SelectQueryInterface: The called object.
includes/ database/ select.inc, line 783
- The base extender class for Select queries.