Re: Avoid incorrect allocation in buildIndexArray

Julien Rouhaud <rjuju123@gmail.com>

From: Julien Rouhaud <rjuju123@gmail.com>
To: Daniel Gustafsson <daniel@yesql.se>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2020-09-11T11:49:26Z
Lists: pgsql-hackers
On Fri, Sep 11, 2020 at 1:39 PM Daniel Gustafsson <daniel@yesql.se> wrote:
>
> Looking at a pg_dump patch I realized that when we call buildIndexArray without
> having found objects to index, we still call pg_malloc with zero which in turn
> mallocs 1 byte.  The byte in question is of course negligable, but it does seem
> cleaner to return early with NULL instead of returning an empty allocation
> which doesn't actually contain an index.
>
> Any reason not to bail early as per the attached?

+1



Commits

  1. Avoid useless allocations for information of dumpable objects in pg_dump/