Re: move 0 behaviour

Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > The following patch makes FETCH/MOVE 0 do nothing, and FETCH LAST move
> > to the end.
> 
> Do not hack up PerformPortalFetch; put the special case for INT_MAX in
> utility.c's FetchStmt code, instead.  As-is, you probably broke other
> callers of PerformPortalFetch.

I thought about that, but I need to fail if the cursor name is invalid. 
Those tests are done in PerformPortalFetch().  The good news is that no
one else call it.  Other ideas?
> BTW, there's a comment in parsenodes.h that needs to be fixed too:
> 
>     int            howMany;        /* amount to fetch ("ALL" --> 0) */

Done.

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