Change record status: 
Project: 
Introduced in branch: 
9.2.x
Introduced in version: 
9.2.0
Description: 

A new method PagerSelectExtender::getElement() now allows to know the pager id used by a query, so that consuming code can avoid overriding it for other queries.

Also, \Drupal\Core\Pager\PagerManagerInterface::getMaxPagerElementId() allows determining the highest pager id used. Accessing the PagerSelectExtender::$maxElement property for this purpose is now deprecated.

The new method \Drupal\Core\Pager\PagerManagerInterface::reservePagerElementId()has been created, which reserves a pager element ID.

The new method \Drupal\Core\Database\Connection::getPagerManager() has been created, which has no parameters and returns the pager manager service.

Impacts: 
Module developers
Themers