Jerry Brenner writes:
> Is there any documentation on the semantics of $ variables in json explain
> plans for both InitPlans and SubPlans in 13?
I don't think there's anything much in the user-facing docs, which is
somewhat unfortunate because it's confusing: the notation is overloaded.
$N could
Is there any documentation on the semantics of $ variables in json explain
plans for both InitPlans and SubPlans in 13?
I'm trying to understand the attached json file.
- It looks like $0 represents the value from the outer query block when
the correlated subquery is evaluated
- It looks