On Tue, Oct 27, 2009 at 1:14 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Robert Haas <robertmh...@gmail.com> writes:
>> If it doesn't have any effect anyway, what's the virtue of back-patching it?
>
> Because 8.4 just fails in cases where we can easily allow it to work
> according to the new definition.  Right now, if you want to use FOR
> UPDATE in a query that has WITHs, you have to carefully write
> FOR UPDATE OF x,y,z,... for all the non-WITH relations.

Oh, I see.  Well, that seems like it makes sense to me, then.

...Robert

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