David G Johnston <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
> Not that we would necessarily want to duplicate hstore but "hstore ->
> text[]" seems similar enough to emulate if desired.
Actually, that operator is something completely different: it does N
independent lookups in the given hstore, and produces an array of the N
results. Since hstore has no concept of nesting, there wouldn't be a
reason for it to have something that does what json's #> does.
regards, tom lane