On Thu, Nov 19, 2015 at 11:04 AM, Marko Tiikkaja wrote:
> This was discussed in 2010 when CTEs got the same treatment, and I agree
> with what was decided back then.  If someone needs to make PreparableStmt
> different from what COPY and CTEs support, we can split them up.  But
> they're completely identical after this patch, so splitting them up right
> now is somewhat pointless.
> Further, if someone's going to add new stuff to PreparableStmt, she should
> probably think about whether it would make sense to add it to COPY and CTEs
> from day one, too, and in that case not splitting them up is actually a win.

Personally, I would take it on the safe side and actually update it.
If someone were to add a new node type in PreparableStmt I am pretty
sure that we are going to forget to update the COPY part, leading us
to unwelcome bugs. And that would not be cool.
-- 
Michael


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