Victor Dobrovolsky writes:
> It is clear that for immutable/stable functions with constant parameters,
> query planner could/should calculate value in a parse time and use it
> directly in query, or at least once per query.
Immutable, yes, stable, no.
Awhile back there was a draft patch to cach
Good day experts...
Question on scalar plpgsql functions stability flags (immutable, stable)
regarding how it works in sql queries.
It is clear that for immutable/stable functions with constant parameters,
query planner could/should calculate value in a parse time and use it
directly in query, o