NEW Add ORM abstraction for "WITH" clauses #1592

Job	Run time
CI / Context	2s
CI / Generate matrix	7s
CI / Check governance	1s
CI / 8.1 prf-low mysql57 phpunit framework-core	4m 52s
CI / 8.1 mysql57 phpunit framework-core	5m 32s
CI / 8.2 mysql80 phpunit framework-core	9m 28s
CI / 8.1 prf-low mysql57 phpunit framework-orm	10m 59s
CI / 8.1 mysql57 phpunit framework-orm	11m 14s
CI / 8.2 mysql80 phpunit framework-orm	13m 10s
CI / 8.1 prf-low mysql57 phpunit cms	1m 58s
CI / 8.1 mysql57 phpunit cms	1m 28s
CI / 8.2 mysql80 phpunit cms	1m 58s
CI / 8.1 mysql57 phplinting	2m 4s
CI / Check unreleased changes	0s
CI / Patch release	0s
	1h 2m 53s

Provide feedback