Re: small pg_dump code cleanup

From: Nathan Bossart <nathandbossart(at)gmail(dot)com>
To: Neil Conway <neil(dot)conway(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: small pg_dump code cleanup
Date: 2024-06-05 16:37:54
Message-ID: ZmCUYtIhD5wEQR4s@nathan
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On Wed, Jun 05, 2024 at 12:22:03PM -0400, Neil Conway wrote:
> Nice cleanup! Two minor comments:

Thanks for taking a look.

> (1) Names like `getXXX` for these functions suggest to me that they return
> a value, rather than side-effecting. I realize some variants continue to
> return a value, but the majority no longer do. Perhaps a name like
> lookupXXX() or readXXX() would be clearer?

What about collectXXX() to match similar functions in pg_dump.c (e.g.,
collectRoleNames(), collectComments(), collectSecLabels())?

> (2) These functions malloc() a single ntups * sizeof(struct) allocation and
> then index into it to fill-in each struct before entering it into the hash
> table. It might be more straightforward to just malloc each individual
> struct.

That'd increase the number of allocations quite significantly, but I'd be
surprised if that was noticeable outside of extreme scenarios. At the
moment, I'm inclined to leave these as-is for this reason and because I
doubt it'd result in much cleanup, but I'll yield to the majority opinion
here.

--
nathan

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