About having a pointer to the initial string from RawStmt, Query &
PlannedStmt:
> I remembered one reason why we haven't done this: it's unclear how we'd
> handle copying if we do it. If, say, Query contains a "char *" pointer
> then you'd expect copyObject() to pstrdup that string, [..., So] We'd
> need to work out a way of managing multiple Queries carrying references
> to the same source string, and it's not clear how to do that reasonably.
For me it would be shared, but then it may break some memory management
hypothesis downstream.
> So for now, it remains the path of least resistance for Portals and
> CachedPlans to contain a list of Query or PlannedStmt objects and a
> separate source string.
Ok. Thanks for the explanation.
--
Fabien.
