Re: Fix redundant memset after palloc0 in heap_form_minimal_tuple()

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От Jeff Davis
Тема Re: Fix redundant memset after palloc0 in heap_form_minimal_tuple()
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Msg-id 60d84fcbb1ff31bcb7497a632ace36fdd59b2168.camel@j-davis.com
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Ответ на Fix redundant memset after palloc0 in heap_form_minimal_tuple()  (Chao Li <li.evan.chao@gmail.com>)
Список pgsql-hackers
On Tue, 2025-11-04 at 17:05 +0800, Chao Li wrote:
> The current code does both palloc0() and memset(0)
> in heap_form_minimal_tuple():

Thank you, fixed.

> To fix the problem, my first impression was to delete the memset().
> But looking at a0942f4, I found a couple of other places that do the
> same pattern: palloc(len+extra) then memset(0, extra), so I think the
> correct fix should be changing the palloc0 to palloc.

The palloc0() is important because heap_fill_tuple() skips over
alignment bytes. So I just removed the memset().

Regards,
    Jeff Davis




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