An op's result: one entry per declared output, in declaration order.
A Column is returned as-is (already packed); loose values are packed once by the plan layer rather than retained boxed ([PND-PROCCOL]).
Column
An op's result: one entry per declared output, in declaration order.
A
Columnis returned as-is (already packed); loose values are packed once by the plan layer rather than retained boxed ([PND-PROCCOL]).