On March 15, 2017 12:33:28 PM PDT, Tom Lane <t...@sss.pgh.pa.us> wrote:
>Andres Freund <and...@anarazel.de> writes:
>> [ latest patches ]
>I looked through 0002-Make-get_last_attnums-more-generic.patch.

>So for my money, you should drop 0002 altogether and just have 0004
>remove get_last_attnums() from execUtils.c and stick it into
>execExpr.c.  I suppose you still need the LastAttnumInfo API change
>so as to decouple it from ProjectionInfo, but that's minor.

I think it's quite useful in other places too, we do repeated slot-getattrs in 
a bunch of places in the executor, and it's noticeable performance wise. 

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