Context: How does \Magento\Framework\EntityManager\Operation\Read::execute() work?
\Magento\Framework\EntityManager\Operation\Read::execute()
How does \Magento\Framework\EntityManager\Db\ReadRow::execute() work?
\Magento\Framework\EntityManager\Db\ReadRow::execute()
See also:
EAV
model-load
product-retrieving
entity-manager