Re: Avoid unecessary MemSet call (src/backend/utils/cache/relcache.c)
Ranier Vilela <ranier.vf@gmail.com>
From: Ranier Vilela <ranier.vf@gmail.com>
To: David Rowley <dgrowleyml@gmail.com>
Cc: Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2022-05-17T13:33:57Z
Lists: pgsql-hackers
Em seg., 16 de mai. de 2022 às 20:26, David Rowley <dgrowleyml@gmail.com> escreveu: > On Sun, 15 May 2022 at 09:47, Ranier Vilela <ranier.vf@gmail.com> wrote: > > At function load_relcache_init_file, there is an unnecessary function > call, > > to initialize pgstat_info pointer to NULL. > > > > MemSet(&rel->pgstat_info, 0, sizeof(rel->pgstat_info)); > > What seems to have happened here is the field was changed to become a > pointer in 77947c51c. It's not incorrect to use MemSet() to zero out > the pointer field. What it does probably do is confuse the casual > reader into thinking the field is a struct rather than a pointer to > one. It's probably worth making that consistent with the other > fields so nobody gets confused. > > Can you add a CF entry for PG16 for this so we come back to it after we > branch? > Of course. I will add it. regards, Ranier Vilela
Commits
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Replace many MemSet calls with struct initialization
- 9fd45870c143 16.0 landed
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Change some unnecessary MemSet calls
- 258f48f858b0 16.0 landed
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Avoid unnecessary MemSet call
- 8cd61d288adf 16.0 landed